Merging revIds: 515814:520600 from 2.1-lifecycle-refactor branch to trunk.

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@520609 13f79535-47bb-0310-9956-ffa450edef68

build.properties

@@ -16,6 +16,7 @@
 # under the License.
 
 classworlds.version=1.2-alpha-7
+plexus-active-collections.version=1.0-SNAPSHOT
 plexus.version=1.0-alpha-20
 plexus-archiver.version=1.0-alpha-8
 plexus-utils.version=1.4.1

build.xml

@@ -116,6 +116,7 @@ under the License.
       </sequential>
     </macrodef>
     <pull orgpath="commons-cli/commons-cli" version="${commons-cli.version}" name="commons-cli"/>
+    <pull orgpath="org/codehaus/plexus/plexus-active-collections" version="${plexus-active-collections.version}" name="plexus-active-collections" repository="codehaus"/>
     <pull orgpath="org/codehaus/plexus/plexus-utils" version="${plexus-utils.version}" name="plexus-utils" repository="codehaus"/>
     <pull orgpath="org/codehaus/plexus/plexus-container-default" version="${plexus.version}" name="plexus-container-default" repository="codehaus"/>
     <pull orgpath="org/codehaus/plexus/plexus-component-api" version="${plexus.version}" name="plexus-component-api" repository="codehaus"/>
@@ -153,6 +154,7 @@ under the License.
     <path id="pre.classpath">
       <pathelement location="${maven.repo.local}/commons-cli/commons-cli/${commons-cli.version}/commons-cli-${commons-cli.version}.jar"/>
       <pathelement location="${maven.repo.local}/commons-lang/commons-lang/${commons-lang.version}/commons-lang-${commons-lang.version}.jar"/>
+      <pathelement location="${maven.repo.local}/org/codehaus/plexus/plexus-active-collections/${plexus-active-collections.version}/plexus-active-collections-${plexus-active-collections.version}.jar"/>
       <pathelement location="${maven.repo.local}/org/codehaus/plexus/plexus-utils/${plexus-utils.version}/plexus-utils-${plexus-utils.version}.jar"/>
       <pathelement location="${maven.repo.local}/org/codehaus/plexus/plexus-container-default/${plexus.version}/plexus-container-default-${plexus.version}.jar"/>
       <pathelement location="${maven.repo.local}/org/codehaus/plexus/plexus-component-api/${plexus.version}/plexus-component-api-${plexus.version}.jar"/>
@@ -226,6 +228,7 @@ under the License.
 
     <modello file="maven-model/src/main/mdo/maven.mdo" version="4.0.0"/>
     <!-- DGF TODO turn this into a big <apply> task? write a custom task? -->
+    <modello file="maven-lifecycle/src/main/mdo/maven-lifecycle.mdo"/>
     <modello file="maven-plugin-descriptor/src/main/mdo/lifecycle.mdo"/>
     <modello file="maven-plugin-parameter-documenter/src/main/mdo/paramdoc.mdo"/>
     <modello file="maven-plugin-registry/plugin-registry.mdo"/>
@@ -339,6 +342,9 @@ load ${bootstrapDir}/target/classes
       </classpath>
       <sysproperty key="classworlds.conf" value="${bootstrapDir}/m2.conf"/>
       <sysproperty key="bootstrapDir" value="${bootstrapDir}"/>
+<!-- 
+      <arg value="-X"/>
+ -->
       <arg value="-e"/>
       <arg line="${maven.goals}"/>
     </java>

maven-build-context/src/main/java/org/apache/maven/context/ScopedBuildContext.java

@@ -0,0 +1,109 @@
+package org.apache.maven.context;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class ScopedBuildContext
+    implements BuildContext, ManagedBuildData
+{
+    
+    private final BuildContext parentBuildContext;
+    private final String scopeKey;
+    
+    private Map localContext;
+
+    public ScopedBuildContext( String scopeKey, BuildContext parentBuildContext )
+    {
+        this.scopeKey = scopeKey;
+        this.parentBuildContext = parentBuildContext;
+        
+        this.localContext = (Map) parentBuildContext.get( scopeKey );
+        if ( localContext == null )
+        {
+            this.localContext = new HashMap();
+            parentBuildContext.store( this );
+        }
+    }
+
+    public Object delete( Object key )
+    {
+        return localContext.remove( key );
+    }
+
+    public Object get( Object key )
+    {
+        return localContext.get( key );
+    }
+
+    public void put( Object key, Object value )
+    {
+        localContext.put( key, value );
+    }
+
+    /**
+     * @deprecated Use {@link BuildContext#store(ManagedBuildData)} instead.
+     */
+    public void put( ManagedBuildData managedData )
+    {
+        localContext.put( managedData.getStorageKey(), managedData.getData() );
+    }
+
+    public boolean retrieve( ManagedBuildData managedData )
+    {
+        Map data = (Map) localContext.get( managedData.getStorageKey() );
+        
+        if ( data != null )
+        {
+            managedData.setData( data );
+            return true;
+        }
+        else
+        {
+            return false;
+        }
+    }
+
+    public void store( ManagedBuildData managedData )
+    {
+        localContext.put( managedData.getStorageKey(), managedData.getData() );
+    }
+
+    public Map getData()
+    {
+        return localContext;
+    }
+
+    public String getStorageKey()
+    {
+        return scopeKey;
+    }
+
+    public void setData( Map data )
+    {
+        this.localContext = data;
+    }
+    
+    public void storeContext( BuildContextManager buildContextManager )
+    {
+        if ( parentBuildContext instanceof ScopedBuildContext )
+        {
+            ((ScopedBuildContext) parentBuildContext).storeContext( buildContextManager );
+        }
+        else
+        {
+            buildContextManager.storeBuildContext( parentBuildContext );
+        }
+    }
+    
+    public BuildContext getParentBuildContext()
+    {
+        return parentBuildContext;
+    }
+    
+    public void delete( BuildContextManager buildContextManager )
+    {
+        parentBuildContext.delete( scopeKey );
+        storeContext( buildContextManager );
+    }
+
+}

maven-core/pom.xml

@@ -30,6 +30,11 @@ under the License.
   <artifactId>maven-core</artifactId>
   <name>Maven Core</name>
   <dependencies>
+    <dependency>
+      <groupId>org.apache.maven</groupId>
+      <artifactId>maven-lifecycle</artifactId>
+      <version>2.1-SNAPSHOT</version>
+    </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-build-context</artifactId>
@@ -65,6 +70,10 @@ under the License.
       <artifactId>maven-artifact</artifactId>
       <version>2.1-SNAPSHOT</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-component-api</artifactId>
+    </dependency>
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-container-default</artifactId>
@@ -148,5 +157,10 @@ under the License.
       <artifactId>plexus-classworlds</artifactId>
       <version>1.2-alpha-5</version>
     </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-active-collections</artifactId>
+      <version>1.0-SNAPSHOT</version>
+    </dependency>
   </dependencies>
 </project>

maven-core/src/main/java/org/apache/maven/DefaultArtifactFilterManager.java

@@ -48,6 +48,7 @@ public class DefaultArtifactFilterManager implements ArtifactFilterManager
         artifacts.add( "maven-build-context" );
         artifacts.add( "maven-core" );
         artifacts.add( "maven-error-diagnoser" );
+        artifacts.add( "maven-lifecycle" );
         artifacts.add( "maven-model" );
         artifacts.add( "maven-monitor" );
         artifacts.add( "maven-plugin-api" );

maven-core/src/main/java/org/apache/maven/DefaultMaven.java

@@ -33,6 +33,7 @@
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.execution.ReactorManager;
 import org.apache.maven.execution.RuntimeInformation;
+import org.apache.maven.execution.SessionContext;
 import org.apache.maven.extension.BuildExtensionScanner;
 import org.apache.maven.extension.ExtensionScanningException;
 import org.apache.maven.lifecycle.LifecycleExecutor;
@@ -542,7 +543,12 @@ protected MavenSession createSession( MavenExecutionRequest request,
                                           ReactorManager rpm,
                                           EventDispatcher dispatcher )
     {        
-        return new MavenSession( container, request, dispatcher, rpm );
+        MavenSession session = new MavenSession( container, request, dispatcher, rpm );
+        
+        SessionContext ctx = new SessionContext( session );
+        ctx.store( buildContextManager );
+        
+        return session;
     }
 
     // ----------------------------------------------------------------------

maven-core/src/main/java/org/apache/maven/execution/MavenSession.java

@@ -28,6 +28,7 @@
 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 
 import java.util.Date;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
@@ -48,6 +49,8 @@ public class MavenSession
 
     private MavenExecutionRequest request;
 
+    private Map reports = new LinkedHashMap();
+
     public MavenSession( PlexusContainer container,
                          MavenExecutionRequest request,
                          EventDispatcher eventDispatcher,
@@ -156,4 +159,5 @@ public MavenExecutionRequest getRequest()
     {
         return request;
     }
+    
 }

maven-core/src/main/java/org/apache/maven/execution/SessionContext.java

@@ -0,0 +1,157 @@
+package org.apache.maven.execution;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.context.BuildContext;
+import org.apache.maven.context.BuildContextManager;
+import org.apache.maven.context.ManagedBuildData;
+import org.apache.maven.monitor.event.EventDispatcher;
+import org.apache.maven.settings.Settings;
+
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Build context object that supplies information about how Maven was invoked, including all of the
+ * information available in the MavenExecutionRequest (in read-only form).
+ */
+public class SessionContext
+    implements ManagedBuildData
+{
+    
+    public static final String BUILD_CONTEXT_KEY = SessionContext.class.getName();
+    
+    private static final String REQUEST_KEY = "request";
+    
+    private MavenSession session;
+    
+    private SessionContext()
+    {
+    }
+
+    public SessionContext( MavenSession session )
+    {
+        this.session = session;
+    }
+
+    public String getStorageKey()
+    {
+        return BUILD_CONTEXT_KEY;
+    }
+
+    public static SessionContext read( BuildContextManager buildContextManager )
+    {
+        BuildContext buildContext = buildContextManager.readBuildContext( false );
+        
+        SessionContext sessionContext = new SessionContext();
+        
+        if ( buildContext != null )
+        {
+            if ( !buildContext.retrieve( sessionContext ) )
+            {
+                return null;
+            }
+        }
+        
+        return sessionContext;
+    }
+    
+    public void store( BuildContextManager buildContextManager )
+    {
+        BuildContext buildContext = buildContextManager.readBuildContext( true );
+        
+        buildContext.store( this );
+        
+        buildContextManager.storeBuildContext( buildContext );
+    }
+
+    public Map getData()
+    {
+        return Collections.singletonMap( REQUEST_KEY, session );
+    }
+
+    public void setData( Map data )
+    {
+        this.session = (MavenSession) data.get( REQUEST_KEY );
+    }
+
+    //------------------------------------------------------------
+    // DELEGATED METHODS, USING DEFENSIVE COPIES WHERE POSSIBLE.
+    //------------------------------------------------------------
+    
+    public EventDispatcher getEventDispatcher()
+    {
+        return session.getEventDispatcher();
+    }
+
+    public Properties getExecutionProperties()
+    {
+        return new Properties( session.getExecutionProperties() );
+    }
+
+    public String getExecutionRootDirectory()
+    {
+        return session.getExecutionRootDirectory();
+    }
+
+    public List getGoals()
+    {
+        return Collections.unmodifiableList( session.getGoals() );
+    }
+
+    public ArtifactRepository getLocalRepository()
+    {
+        return session.getLocalRepository();
+    }
+
+    public MavenExecutionRequest getRequest()
+    {
+        return session.getRequest();
+    }
+
+    public Settings getSettings()
+    {
+        return session.getSettings();
+    }
+
+    public List getSortedProjects()
+    {
+        return Collections.unmodifiableList( session.getSortedProjects() );
+    }
+
+    public Date getStartTime()
+    {
+        return new Date( session.getStartTime().getTime() );
+    }
+
+    public boolean isUsingPOMsFromFilesystem()
+    {
+        return session.isUsingPOMsFromFilesystem();
+    }
+
+    public MavenSession getSession()
+    {
+        return session;
+    }
+}

maven-core/src/main/java/org/apache/maven/lifecycle/LifecycleExecutionContext.java

@@ -0,0 +1,187 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.context.BuildContext;
+import org.apache.maven.context.BuildContextManager;
+import org.apache.maven.context.ManagedBuildData;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.reporting.MavenReport;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Stack;
+
+/**
+ * Build context that contains the current project used by the executing mojo, plus any parent
+ * project instances (not inheritance-wise, but fork-wise) in a stack that will be restored once the
+ * current forked-execution is completed. This class also tracks the reports executed for a project,
+ * for future reference by other mojos using the ${reports} expression.
+ * 
+ * @author jdcasey
+ *
+ */
+public class LifecycleExecutionContext
+    implements ManagedBuildData
+{
+    
+    public static final String BUILD_CONTEXT_KEY = LifecycleExecutionContext.class.getName();
+    
+    private static final String CURRENT_PROJECT_KEY = "current-project";
+    private static final String PROJECT_STACK_KEY = "fork-project-stack";
+    private static final String REPORTS_KEY = "reports";
+    
+    private MavenProject currentProject;
+    private Stack forkedProjectStack = new Stack();
+
+    private Map reports = new HashMap();
+    
+    public LifecycleExecutionContext( MavenProject project )
+    {
+        this.currentProject = project;
+    }
+    
+    private LifecycleExecutionContext()
+    {
+        // used for retrieval.
+    }
+
+    /**
+     * Serialize the data in this context for storage. Any class in maven-core or the bootclasspath is legal
+     * here as a datatype in the data map.
+     */
+    public Map getData()
+    {
+        Map data = new HashMap();
+        data.put( CURRENT_PROJECT_KEY, currentProject );
+        data.put( PROJECT_STACK_KEY, forkedProjectStack );
+        data.put( REPORTS_KEY, reports );
+        
+        return data;
+    }
+
+    /**
+     * Retrieve the master key under which the serialized data map for this context will be stored
+     * in the main {@link BuildContext}.
+     */
+    public String getStorageKey()
+    {
+        return BUILD_CONTEXT_KEY;
+    }
+
+    /**
+     * Deserialize the data for this context. Any class in maven-core or the bootclasspath is legal
+     * here as a datatype in the data map.
+     */
+    public void setData( Map data )
+    {
+        this.currentProject = (MavenProject) data.get( CURRENT_PROJECT_KEY );
+        this.forkedProjectStack = (Stack) data.get( PROJECT_STACK_KEY );
+        this.reports = (Map) data.get( REPORTS_KEY );
+    }
+    
+    /**
+     * Push the existing currentProject onto the forked-project stack, and set the specified project
+     * as the new current project. This signifies the beginning of a new forked-execution context.
+     */
+    public void addForkedProject( MavenProject project )
+    {
+        forkedProjectStack.push( currentProject );
+        currentProject = project;
+    }
+    
+    /**
+     * Peel off the last forked project from the stack, and restore it as the currentProject. This
+     * signifies the cleanup of a completed forked-execution context.
+     */
+    public MavenProject removeForkedProject()
+    {
+        if ( !forkedProjectStack.isEmpty() )
+        {
+            MavenProject lastCurrent = currentProject;
+            currentProject = (MavenProject) forkedProjectStack.pop();
+            
+            return lastCurrent;
+        }
+        
+        return null;
+    }
+    
+    /**
+     * Return the current project for use in a mojo execution.
+     */
+    public MavenProject getCurrentProject()
+    {
+        return currentProject;
+    }
+    
+    /**
+     * Convenience method to read the current context instance out of the main {@link BuildContext} provided
+     * by the specified {@link BuildContextManager}. If no current context exist, return null.
+     */
+    public static LifecycleExecutionContext read( BuildContextManager buildContextManager )
+    {
+        BuildContext buildContext = buildContextManager.readBuildContext( true );
+        
+        LifecycleExecutionContext ctx = new LifecycleExecutionContext();
+        if ( buildContext.retrieve( ctx ) )
+        {
+            return ctx;
+        }
+        
+        return null;
+    }
+    
+    /**
+     * Remove the current lifecycle context from the main {@link BuildContext} provided by the
+     * specified {@link BuildContextManager}.
+     */
+    public static void delete( BuildContextManager buildContextManager )
+    {
+        BuildContext buildContext = buildContextManager.readBuildContext( false );
+        
+        if ( buildContext != null )
+        {
+            buildContext.delete( BUILD_CONTEXT_KEY );
+        }
+    }
+    
+    /**
+     * Store this lifecycle context in the main {@link BuildContext} provided by the specified
+     * {@link BuildContextManager}.
+     */
+    public void store( BuildContextManager buildContextManager )
+    {
+        BuildContext buildContext = buildContextManager.readBuildContext( true );
+        buildContext.store( this );
+        buildContextManager.storeBuildContext( buildContext );
+    }
+
+    /**
+     * Retrieve the list of reports ({@link MavenReport} instances) that have been executed against
+     * this project, for use in another mojo's execution.
+     */
+    public List getReports()
+    {
+        return new ArrayList( reports.values() );
+    }
+    
+    /**
+     * Clear the reports for this project
+     */
+    public void clearReports()
+    {
+        reports.clear();
+    }
+
+    /**
+     * Add a newly-executed report ({@link MavenReport} instance) to the reports collection, for 
+     * future reference.
+     */
+    public void addReport( MojoDescriptor mojoDescriptor, MavenReport report )
+    {
+        reports.put( mojoDescriptor.getId(), report );
+    }
+    
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/BindingUtils.java

@@ -0,0 +1,269 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.model.LifecycleBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+import org.apache.maven.model.Build;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.PluginContainer;
+import org.apache.maven.model.PluginExecution;
+import org.apache.maven.model.PluginManagement;
+import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.model.ReportSet;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.ModelUtils;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * Set of utilities used to create and manipulate MojoBindings, both singly and in collections that
+ * constitute LifecycleBindings instances. Some of the methods contained here have fairly generic
+ * names, but have a specialized purpose for this package (such as those that build plugin keys
+ * that lack the version); therefore, this class and all of its methods are package-scoped.
+ */
+final class BindingUtils
+{
+
+    /**
+     * Builds a mapping of groupId:artifactId --> Plugin from the POM. If a plugin is listed
+     * without a groupId, the {@link BindingUtils#createPluginKey(Plugin)} method will fill it in
+     * using org.apache.maven.plugins.
+     */
+    static Map buildPluginMap( MavenProject project )
+    {
+        Map pluginMap = new HashMap();
+        
+        if ( project != null )
+        {
+            Build build = project.getBuild();
+            if ( build != null )
+            {
+                for ( Iterator it = build.getPlugins().iterator(); it.hasNext(); )
+                {
+                    Plugin plugin = (Plugin) it.next();
+
+                    pluginMap.put( createPluginKey( plugin ), plugin );
+                }
+            }
+        }
+
+        return pluginMap;
+    }
+
+    /**
+     * Builds a mapping of groupId:artifactId --> Plugin from a PluginContainer, such as the build
+     * or pluginManagement section of a POM. If a plugin is listed without a groupId, the 
+     * {@link BindingUtils#createPluginKey(Plugin)} method will fill it in using org.apache.maven.plugins.
+     */
+    static Map buildPluginMap( PluginContainer pluginContainer )
+    {
+        Map pluginMap = new HashMap();
+        
+        if ( pluginContainer != null )
+        {
+            for ( Iterator it = pluginContainer.getPlugins().iterator(); it.hasNext(); )
+            {
+                Plugin plugin = (Plugin) it.next();
+
+                pluginMap.put( createPluginKey( plugin ), plugin );
+            }
+        }
+
+        return pluginMap;
+    }
+
+    /**
+     * Create a key for the given Plugin, for use in mappings. The key consists of groupId:artifactId,
+     * where groupId == org.apache.maven.plugins if the Plugin instance has a groupId == null.
+     */
+    static String createPluginKey( Plugin plugin )
+    {
+        return createPluginKey( plugin.getGroupId(), plugin.getArtifactId() );
+    }
+
+    /**
+     * Create a key for use in looking up Plugin instances from mappings. The key consists of 
+     * groupId:artifactId, where groupId == org.apache.maven.plugins if the supplied groupId
+     * value == null.
+     */
+    static String createPluginKey( String groupId, String artifactId )
+    {
+        return ( groupId == null ? PluginDescriptor.getDefaultPluginGroupId() : groupId ) + ":" + artifactId;
+    }
+
+    /**
+     * Merge the ReportPlugin and ReportSet configurations, with the ReportSet configuration taking
+     * precedence.
+     */
+    static Object mergeConfigurations( ReportPlugin reportPlugin, ReportSet reportSet )
+    {
+        if ( reportPlugin == null && reportSet == null )
+        {
+            return null;
+        }
+        else if ( reportSet == null )
+        {
+            return reportPlugin.getConfiguration();
+        }
+        else if ( reportPlugin == null )
+        {
+            return reportSet.getConfiguration();
+        }
+        else
+        {
+            return mergeRawConfigurations( reportSet.getConfiguration(), reportPlugin.getConfiguration() );
+        }
+    }
+
+    /**
+     * Merge the Plugin and PluginExecution configurations, with the PluginExecution configuration 
+     * taking precedence.
+     */
+    static Object mergeConfigurations( Plugin plugin, PluginExecution execution )
+    {
+        if ( plugin == null && execution == null )
+        {
+            return null;
+        }
+        else if ( execution == null )
+        {
+            return plugin.getConfiguration();
+        }
+        else if ( plugin == null )
+        {
+            return execution.getConfiguration();
+        }
+        else
+        {
+            return mergeRawConfigurations( execution.getConfiguration(), plugin.getConfiguration() );
+        }
+    }
+
+    /**
+     * Merge two configurations, assuming they are Xpp3Dom instances. This method creates a defensive
+     * copy of the dominant configuration before merging, to avoid polluting the original dominant
+     * one.
+     */
+    static Object mergeRawConfigurations( Object dominant, Object recessive )
+    {
+        Xpp3Dom dominantConfig = (Xpp3Dom) dominant;
+        Xpp3Dom recessiveConfig = (Xpp3Dom) recessive;
+
+        if ( recessiveConfig == null )
+        {
+            return dominantConfig;
+        }
+        else if ( dominantConfig == null )
+        {
+            return recessiveConfig;
+        }
+        else
+        {
+            return Xpp3Dom.mergeXpp3Dom( new Xpp3Dom( dominantConfig ), recessiveConfig );
+        }
+    }
+    
+    /**
+     * Inject any plugin configuration available from the specified POM into the MojoBinding, after
+     * first merging in the applicable configuration from the POM's pluginManagement section.
+     */
+    static void injectProjectConfiguration( MojoBinding binding, MavenProject project )
+    {
+        Map pluginMap = buildPluginMap( project );
+        Plugin plugin = (Plugin) pluginMap.get( createPluginKey( binding.getGroupId(), binding.getArtifactId() ) );
+
+        if ( plugin == null )
+        {
+            plugin = new Plugin();
+            plugin.setGroupId( binding.getGroupId() );
+            plugin.setArtifactId( binding.getArtifactId() );
+        }
+        
+        injectPluginManagementInfo( plugin, project );
+
+        PluginExecution exec = (PluginExecution) plugin.getExecutionsAsMap().get( binding.getExecutionId() );
+
+        binding.setConfiguration( mergeConfigurations( plugin, exec ) );
+    }
+
+    /**
+     * Inject any plugin configuration available from the specified POM into the MojoBindings 
+     * present in the given LifecycleBindings instance, after first merging in the configuration 
+     * from the POM's pluginManagement section.
+     */
+    static void injectProjectConfiguration( LifecycleBindings bindings, MavenProject project )
+    {
+        Map pluginsByVersionlessKey = buildPluginMap( project );
+
+        for ( Iterator lifecycleIt = bindings.getBindingList().iterator(); lifecycleIt.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) lifecycleIt.next();
+
+            for ( Iterator phaseIt = binding.getPhasesInOrder().iterator(); phaseIt.hasNext(); )
+            {
+                Phase phase = (Phase) phaseIt.next();
+
+                for ( Iterator mojoIt = phase.getBindings().iterator(); mojoIt.hasNext(); )
+                {
+                    MojoBinding mojo = (MojoBinding) mojoIt.next();
+
+                    String pluginKey = createPluginKey( mojo.getGroupId(), mojo.getArtifactId() );
+                    Plugin plugin = (Plugin) pluginsByVersionlessKey.get( pluginKey );
+
+                    if ( plugin == null )
+                    {
+                        plugin = new Plugin();
+                        plugin.setGroupId( mojo.getGroupId() );
+                        plugin.setArtifactId( mojo.getArtifactId() );
+                    }
+                    
+                    injectPluginManagementInfo( plugin, project );
+
+                    PluginExecution exec = (PluginExecution) plugin.getExecutionsAsMap().get( mojo.getExecutionId() );
+
+                    mojo.setConfiguration( mergeConfigurations( plugin, exec ) );
+                }
+            }
+        }
+    }
+
+    /**
+     * Inject any applicable configuration available from the POM's pluginManagement section into the
+     * specified Plugin instance.
+     */
+    static void injectPluginManagementInfo( Plugin plugin, MavenProject project )
+    {
+        if ( project == null )
+        {
+            return;
+        }
+        
+        Build build = project.getBuild();
+        if ( build == null )
+        {
+            return;
+        }
+        
+        PluginManagement plugMgmt = build.getPluginManagement();
+        if ( plugMgmt == null )
+        {
+            return;
+        }
+        
+        Map plugMgmtMap = buildPluginMap( plugMgmt );
+        
+        String key = createPluginKey( plugin );
+        Plugin mgmtPlugin = (Plugin) plugMgmtMap.get( key );
+        
+        if ( mgmtPlugin != null )
+        {
+            ModelUtils.mergePluginDefinitions( plugin, mgmtPlugin, false );
+        }
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/DefaultLifecycleBindingManager.java

@@ -0,0 +1,736 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleBindingLoader;
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.mapping.LifecycleMapping;
+import org.apache.maven.lifecycle.model.LifecycleBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.plan.DirectInvocationModifier;
+import org.apache.maven.lifecycle.plan.LifecyclePlannerException;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.PluginExecution;
+import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.model.ReportSet;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.plugin.lifecycle.Execution;
+import org.apache.maven.plugin.lifecycle.Lifecycle;
+import org.apache.maven.plugin.loader.PluginLoader;
+import org.apache.maven.plugin.loader.PluginLoaderException;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.collections.ActiveMap;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+import org.codehaus.plexus.logging.LogEnabled;
+import org.codehaus.plexus.logging.Logger;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.StringTokenizer;
+
+/**
+ * Responsible for the gross construction of LifecycleBindings, or mappings of MojoBinding instances
+ * to different parts of the three lifecycles: clean, build, and site. Also, handles transcribing
+ * these LifecycleBindings instances into lists of MojoBinding's, which can be consumed by the
+ * LifecycleExecutor.
+ * 
+ * @author jdcasey
+ *
+ */
+public class DefaultLifecycleBindingManager
+    implements LifecycleBindingManager, LogEnabled
+{
+
+    private ActiveMap bindingsByPackaging;
+
+    private ActiveMap legacyMappingsByPackaging;
+
+    private PluginLoader pluginLoader;
+
+    private MojoBindingFactory mojoBindingFactory;
+    
+    private LegacyLifecycleMappingParser legacyLifecycleMappingParser;
+
+    private Logger logger;
+
+    // configured. Moved out of DefaultLifecycleExecutor...
+    private List legacyLifecycles;
+
+    // configured. Moved out of DefaultLifecycleExecutor...
+    private List defaultReports;
+
+    /**
+     * Retrieve the LifecycleBindings given by the lifecycle mapping component/file for the project's
+     * packaging. Any applicable mojo configuration will be injected into the LifecycleBindings from
+     * the POM.
+     */
+    public LifecycleBindings getBindingsForPackaging( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        String packaging = project.getPackaging();
+
+        LifecycleBindings bindings = null;
+
+        LifecycleBindingLoader loader = (LifecycleBindingLoader) bindingsByPackaging.get( packaging );
+        if ( loader != null )
+        {
+            bindings = loader.getBindings();
+        }
+
+        // TODO: Remove this once we no longer have to support legacy-style lifecycle mappings
+        if ( bindings == null )
+        {
+            LifecycleMapping mapping = (LifecycleMapping) legacyMappingsByPackaging.get( packaging );
+            if ( mapping != null )
+            {
+                bindings = legacyLifecycleMappingParser.parseMappings( mapping, packaging );
+            }
+        }
+
+        if ( bindings == null )
+        {
+            bindings = searchPluginsWithExtensions( project );
+        }
+        else
+        {
+            BindingUtils.injectProjectConfiguration( bindings, project );
+        }
+
+        if ( bindings == null )
+        {
+            bindings = getDefaultBindings( project );
+        }
+
+        return bindings;
+    }
+
+    /**
+     * Search all plugins configured in the POM that have extensions == true, looking for either a
+     * {@link LifecycleBindingLoader} instance, or a {@link LifecycleMapping} instance that matches
+     * the project's packaging. For the first match found, construct the corresponding LifecycleBindings
+     * instance and return it after POM configurations have been injected into any appropriate
+     * MojoBinding instances contained within.
+     */
+    private LifecycleBindings searchPluginsWithExtensions( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        List plugins = project.getBuildPlugins();
+        String packaging = project.getPackaging();
+
+        LifecycleBindings bindings = null;
+
+        for ( Iterator it = plugins.iterator(); it.hasNext(); )
+        {
+            Plugin plugin = (Plugin) it.next();
+            if ( plugin.isExtensions() )
+            {
+                LifecycleBindingLoader loader = null;
+
+                try
+                {
+                    loader = (LifecycleBindingLoader) pluginLoader.loadPluginComponent( LifecycleBindingLoader.ROLE, packaging,
+                                                                                        plugin, project );
+                }
+                catch ( ComponentLookupException e )
+                {
+                    logger.debug( LifecycleBindingLoader.ROLE + " for packaging: " + packaging
+                        + " could not be retrieved from plugin: " + plugin.getKey() + ".\nReason: " + e.getMessage(), e );
+                }
+                catch ( PluginLoaderException e )
+                {
+                    throw new LifecycleLoaderException( "Failed to load plugin: " + plugin.getKey() + ". Reason: "
+                        + e.getMessage(), e );
+                }
+
+                if ( loader != null )
+                {
+                    bindings = loader.getBindings();
+                }
+
+                // TODO: Remove this once we no longer have to support legacy-style lifecycle mappings
+                if ( bindings == null )
+                {
+                    LifecycleMapping mapping = null;
+                    try
+                    {
+                        mapping = (LifecycleMapping) pluginLoader.loadPluginComponent( LifecycleMapping.ROLE, packaging, plugin,
+                                                                                       project );
+                    }
+                    catch ( ComponentLookupException e )
+                    {
+                        logger.debug( LifecycleMapping.ROLE + " for packaging: " + packaging
+                            + " could not be retrieved from plugin: " + plugin.getKey() + ".\nReason: " + e.getMessage(), e );
+                    }
+                    catch ( PluginLoaderException e )
+                    {
+                        throw new LifecycleLoaderException( "Failed to load plugin: " + plugin.getKey() + ". Reason: "
+                            + e.getMessage(), e );
+                    }
+
+                    if ( mapping != null )
+                    {
+                        bindings = legacyLifecycleMappingParser.parseMappings( mapping, packaging );
+                    }
+                }
+
+                if ( bindings != null )
+                {
+                    break;
+                }
+            }
+        }
+
+        if ( bindings != null )
+        {
+            BindingUtils.injectProjectConfiguration( bindings, project );
+        }
+
+        return bindings;
+    }
+
+    /**
+     * Construct the LifecycleBindings for the default lifecycle mappings, including injection of 
+     * configuration from the project into each MojoBinding, where appropriate.
+     */
+    public LifecycleBindings getDefaultBindings( MavenProject project )
+        throws LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = legacyLifecycleMappingParser.parseDefaultMappings( legacyLifecycles );
+
+        BindingUtils.injectProjectConfiguration( bindings, project );
+
+        return bindings;
+    }
+
+    public void enableLogging( Logger logger )
+    {
+        this.logger = logger;
+    }
+
+    /**
+     * Construct the LifecycleBindings that constitute the extra mojos bound to the lifecycle within
+     * the POM itself.
+     */
+    public LifecycleBindings getProjectCustomBindings( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        String projectId = project.getId();
+
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.setPackaging( project.getPackaging() );
+
+        List plugins = project.getBuildPlugins();
+        if ( plugins != null )
+        {
+            for ( Iterator it = plugins.iterator(); it.hasNext(); )
+            {
+                Plugin plugin = (Plugin) it.next();
+                BindingUtils.injectPluginManagementInfo( plugin, project );
+
+                PluginDescriptor pluginDescriptor = null;
+
+                List executions = plugin.getExecutions();
+                if ( executions != null )
+                {
+                    for ( Iterator execIt = executions.iterator(); execIt.hasNext(); )
+                    {
+                        PluginExecution execution = (PluginExecution) execIt.next();
+
+                        List goals = execution.getGoals();
+                        if ( goals != null && !goals.isEmpty() )
+                        {
+                            for ( Iterator goalIterator = goals.iterator(); goalIterator.hasNext(); )
+                            {
+                                String goal = (String) goalIterator.next();
+                                
+                                if ( goal == null )
+                                {
+                                    logger.warn( "Execution: " + execution.getId() + " in plugin: " + plugin.getKey() + " in the POM has a null goal." );
+                                    continue;
+                                }
+
+                                MojoBinding mojoBinding = new MojoBinding();
+
+                                mojoBinding.setGroupId( plugin.getGroupId() );
+                                mojoBinding.setArtifactId( plugin.getArtifactId() );
+                                mojoBinding.setVersion( plugin.getVersion() );
+                                mojoBinding.setGoal( goal );
+                                mojoBinding.setConfiguration( BindingUtils.mergeConfigurations( plugin, execution ) );
+                                mojoBinding.setExecutionId( execution.getId() );
+                                mojoBinding.setOrigin( "POM" );
+
+                                String phase = execution.getPhase();
+                                if ( phase == null )
+                                {
+                                    if ( pluginDescriptor == null )
+                                    {
+                                        try
+                                        {
+                                            pluginDescriptor = pluginLoader.loadPlugin( plugin, project );
+                                        }
+                                        catch ( PluginLoaderException e )
+                                        {
+                                            throw new LifecycleLoaderException( "Failed to load plugin: " + plugin + ". Reason: "
+                                                + e.getMessage(), e );
+                                        }
+                                    }
+                                    
+                                    if ( pluginDescriptor.getMojos() == null )
+                                    {
+                                        logger.error( "Somehow, the PluginDescriptor for plugin: " + plugin.getKey() + " contains no mojos. This is highly irregular. Ignoring..." );
+                                        continue;
+                                    }
+
+                                    MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( goal );
+                                    phase = mojoDescriptor.getPhase();
+
+                                    if ( phase == null )
+                                    {
+                                        throw new LifecycleSpecificationException( "No phase specified for goal: " + goal
+                                            + " in plugin: " + plugin.getKey() + " from POM: " + projectId );
+                                    }
+                                }
+
+                                LifecycleUtils.addMojoBinding( phase, mojoBinding, bindings );
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        LifecycleUtils.setOrigin( bindings, "POM" );
+
+        return bindings;
+    }
+
+    /**
+     * Construct the LifecycleBindings that constitute the mojos mapped to the lifecycles by an overlay
+     * specified in a plugin. Inject mojo configuration from the POM into all appropriate MojoBinding
+     * instances.
+     */
+    public LifecycleBindings getPluginLifecycleOverlay( PluginDescriptor pluginDescriptor, String lifecycleId,
+                                                        MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        Lifecycle lifecycleOverlay = null;
+
+        try
+        {
+            lifecycleOverlay = pluginDescriptor.getLifecycleMapping( lifecycleId );
+        }
+        catch ( IOException e )
+        {
+            throw new LifecycleLoaderException( "Unable to read lifecycle mapping file: " + e.getMessage(), e );
+        }
+        catch ( XmlPullParserException e )
+        {
+            throw new LifecycleLoaderException( "Unable to parse lifecycle mapping file: " + e.getMessage(), e );
+        }
+
+        if ( lifecycleOverlay == null )
+        {
+            throw new LifecycleLoaderException( "LegacyLifecycle '" + lifecycleId + "' not found in plugin" );
+        }
+
+        LifecycleBindings bindings = new LifecycleBindings();
+
+        for ( Iterator i = lifecycleOverlay.getPhases().iterator(); i.hasNext(); )
+        {
+            org.apache.maven.plugin.lifecycle.Phase phase = (org.apache.maven.plugin.lifecycle.Phase) i.next();
+            List phaseBindings = new ArrayList();
+
+            for ( Iterator j = phase.getExecutions().iterator(); j.hasNext(); )
+            {
+                Execution exec = (Execution) j.next();
+
+                for ( Iterator k = exec.getGoals().iterator(); k.hasNext(); )
+                {
+                    String goal = (String) k.next();
+
+                    // Here we are looking to see if we have a mojo from an external plugin.
+                    // If we do then we need to lookup the plugin descriptor for the externally
+                    // referenced plugin so that we can overly the execution into the lifecycle.
+                    // An example of this is the corbertura plugin that needs to call the surefire
+                    // plugin in forking mode.
+                    //
+                    //<phase>
+                    //  <id>test</id>
+                    //  <executions>
+                    //    <execution>
+                    //      <goals>
+                    //        <goal>org.apache.maven.plugins:maven-surefire-plugin:test</goal>
+                    //      </goals>
+                    //      <configuration>
+                    //        <classesDirectory>${project.build.directory}/generated-classes/cobertura</classesDirectory>
+                    //        <ignoreFailures>true</ignoreFailures>
+                    //        <forkMode>once</forkMode>
+                    //      </configuration>
+                    //    </execution>
+                    //  </executions>
+                    //</phase>
+
+                    // ----------------------------------------------------------------------
+                    //
+                    // ----------------------------------------------------------------------
+
+                    MojoBinding binding;
+                    if ( goal.indexOf( ":" ) > 0 )
+                    {
+                        binding = mojoBindingFactory.parseMojoBinding( goal, project, false );
+                    }
+                    else
+                    {
+                        binding = new MojoBinding();
+                        binding.setGroupId( pluginDescriptor.getGroupId() );
+                        binding.setArtifactId( pluginDescriptor.getArtifactId() );
+                        binding.setVersion( pluginDescriptor.getVersion() );
+                        binding.setGoal( goal );
+                    }
+
+                    Xpp3Dom configuration = (Xpp3Dom) exec.getConfiguration();
+                    if ( phase.getConfiguration() != null )
+                    {
+                        configuration = Xpp3Dom.mergeXpp3Dom( new Xpp3Dom( (Xpp3Dom) phase.getConfiguration() ), configuration );
+                    }
+
+                    binding.setConfiguration( configuration );
+                    binding.setOrigin( lifecycleId );
+
+                    LifecycleUtils.addMojoBinding( phase.getId(), binding, bindings );
+                    phaseBindings.add( binding );
+                }
+            }
+
+            if ( phase.getConfiguration() != null )
+            {
+                // Merge in general configuration for a phase.
+                // TODO: this is all kind of backwards from the POMM. Let's align it all under 2.1.
+                //   We should create a new lifecycle executor for modelVersion >5.0.0
+                // [jdcasey; 08-March-2007] Not sure what the above to-do references...how _should_
+                // this work??
+                for ( Iterator j = phaseBindings.iterator(); j.hasNext(); )
+                {
+                    MojoBinding binding = (MojoBinding) j.next();
+
+                    Xpp3Dom configuration = Xpp3Dom.mergeXpp3Dom( new Xpp3Dom( (Xpp3Dom) phase.getConfiguration() ),
+                                                                  (Xpp3Dom) binding.getConfiguration() );
+
+                    binding.setConfiguration( configuration );
+                }
+            }
+
+        }
+
+        return bindings;
+    }
+
+    /**
+     * Retrieve the list of MojoBinding instances that correspond  to the reports configured for the
+     * specified project. Inject all appropriate configuration from the POM for each MojoBinding, using
+     * the following precedence rules:
+     * <br/>
+     * <ol>
+     *   <li>report-set-level configuration</li>
+     *   <li>reporting-level configuration</li>
+     *   <li>execution-level configuration</li>
+     *   <li>plugin-level configuration</li>
+     * </ol>
+     */
+    public List getReportBindings( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        if ( project.getModel().getReports() != null )
+        {
+            logger.error( "Plugin contains a <reports/> section: this is IGNORED - please use <reporting/> instead." );
+        }
+
+        List reportPlugins = getReportPluginsForProject( project );
+
+        List reports = new ArrayList();
+        if ( reportPlugins != null )
+        {
+            for ( Iterator it = reportPlugins.iterator(); it.hasNext(); )
+            {
+                ReportPlugin reportPlugin = (ReportPlugin) it.next();
+
+                List reportSets = reportPlugin.getReportSets();
+
+                if ( reportSets == null || reportSets.isEmpty() )
+                {
+                    reports.addAll( getReportsForPlugin( reportPlugin, null, project ) );
+                }
+                else
+                {
+                    for ( Iterator j = reportSets.iterator(); j.hasNext(); )
+                    {
+                        ReportSet reportSet = (ReportSet) j.next();
+
+                        reports.addAll( getReportsForPlugin( reportPlugin, reportSet, project ) );
+                    }
+                }
+            }
+        }
+        return reports;
+    }
+
+    /**
+     * Retrieve the ReportPlugin instances referenced in the specified POM.
+     */
+    private List getReportPluginsForProject( MavenProject project )
+    {
+        List reportPlugins = project.getReportPlugins();
+
+        if ( project.getReporting() == null || !project.getReporting().isExcludeDefaults() )
+        {
+            if ( reportPlugins == null )
+            {
+                reportPlugins = new ArrayList();
+            }
+            else
+            {
+                reportPlugins = new ArrayList( reportPlugins );
+            }
+
+            for ( Iterator i = defaultReports.iterator(); i.hasNext(); )
+            {
+                String report = (String) i.next();
+
+                StringTokenizer tok = new StringTokenizer( report, ":" );
+                if ( tok.countTokens() != 2 )
+                {
+                    logger.warn( "Invalid default report ignored: '" + report + "' (must be groupId:artifactId)" );
+                }
+                else
+                {
+                    String groupId = tok.nextToken();
+                    String artifactId = tok.nextToken();
+
+                    boolean found = false;
+                    for ( Iterator j = reportPlugins.iterator(); j.hasNext() && !found; )
+                    {
+                        ReportPlugin reportPlugin = (ReportPlugin) j.next();
+                        if ( reportPlugin.getGroupId().equals( groupId ) && reportPlugin.getArtifactId().equals( artifactId ) )
+                        {
+                            found = true;
+                        }
+                    }
+
+                    if ( !found )
+                    {
+                        ReportPlugin reportPlugin = new ReportPlugin();
+                        reportPlugin.setGroupId( groupId );
+                        reportPlugin.setArtifactId( artifactId );
+                        reportPlugins.add( reportPlugin );
+                    }
+                }
+            }
+        }
+
+        return reportPlugins;
+    }
+
+    /**
+     * Retrieve any reports from the specified ReportPlugin which are referenced in the specified POM.
+     */
+    private List getReportsForPlugin( ReportPlugin reportPlugin, ReportSet reportSet, MavenProject project )
+        throws LifecycleLoaderException
+    {
+        PluginDescriptor pluginDescriptor;
+        try
+        {
+            pluginDescriptor = pluginLoader.loadReportPlugin( reportPlugin, project );
+        }
+        catch ( PluginLoaderException e )
+        {
+            throw new LifecycleLoaderException( "Failed to load report plugin: " + reportPlugin.getKey() + ". Reason: "
+                + e.getMessage(), e );
+        }
+
+        String pluginKey = BindingUtils.createPluginKey( reportPlugin.getGroupId(), reportPlugin.getArtifactId() );
+        Plugin plugin = (Plugin) BindingUtils.buildPluginMap( project ).get( pluginKey );
+
+        List reports = new ArrayList();
+        for ( Iterator i = pluginDescriptor.getMojos().iterator(); i.hasNext(); )
+        {
+            MojoDescriptor mojoDescriptor = (MojoDescriptor) i.next();
+
+            // TODO: check ID is correct for reports
+            // if the POM configured no reports, give all from plugin
+            if ( reportSet == null || reportSet.getReports().contains( mojoDescriptor.getGoal() ) )
+            {
+                String id = null;
+                if ( reportSet != null )
+                {
+                    id = reportSet.getId();
+                }
+
+                MojoBinding binding = new MojoBinding();
+                binding.setGroupId( pluginDescriptor.getGroupId() );
+                binding.setArtifactId( pluginDescriptor.getArtifactId() );
+                binding.setVersion( pluginDescriptor.getVersion() );
+                binding.setGoal( mojoDescriptor.getGoal() );
+                binding.setExecutionId( id );
+                binding.setOrigin( "POM" );
+
+                Object reportConfig = BindingUtils.mergeConfigurations( reportPlugin, reportSet );
+
+                if ( plugin == null )
+                {
+                    plugin = new Plugin();
+                    plugin.setGroupId( pluginDescriptor.getGroupId() );
+                    plugin.setArtifactId( pluginDescriptor.getArtifactId() );
+                }
+                
+                BindingUtils.injectPluginManagementInfo( plugin, project );
+
+                Map execMap = plugin.getExecutionsAsMap();
+                PluginExecution exec = (PluginExecution) execMap.get( id );
+
+                Object pluginConfig = plugin.getConfiguration();
+                if ( exec != null )
+                {
+                    pluginConfig = BindingUtils.mergeConfigurations( plugin, exec );
+                }
+
+                reportConfig = BindingUtils.mergeRawConfigurations( reportConfig, pluginConfig );
+
+                binding.setConfiguration( reportConfig );
+
+                reports.add( binding );
+            }
+        }
+        return reports;
+    }
+
+    /**
+     * Determine whether the first list contains all of the same MojoBinding instances, in the same
+     * order, starting at index zero, as the second list. If so, it is either a perfect super-list
+     * or an equal list, and return true. Return false otherwise.
+     */
+    private static boolean isSameOrSuperListOfMojoBindings( List superCandidate, List check )
+    {
+        if ( superCandidate == null || check == null )
+        {
+            return false;
+        }
+
+        if ( superCandidate.size() < check.size() )
+        {
+            return false;
+        }
+
+        List superKeys = new ArrayList( superCandidate.size() );
+        for ( Iterator it = superCandidate.iterator(); it.hasNext(); )
+        {
+            MojoBinding binding = (MojoBinding) it.next();
+
+            superKeys.add( LifecycleUtils.createMojoBindingKey( binding, true ) );
+        }
+
+        List checkKeys = new ArrayList( check.size() );
+        for ( Iterator it = check.iterator(); it.hasNext(); )
+        {
+            MojoBinding binding = (MojoBinding) it.next();
+
+            checkKeys.add( LifecycleUtils.createMojoBindingKey( binding, true ) );
+        }
+
+        return superKeys.subList( 0, checkKeys.size() ).equals( checkKeys );
+    }
+
+    /**
+     * Traverse the specified LifecycleBindings instance for all of the specified tasks. If the task
+     * is found to be a phase name, construct the list of all MojoBindings that lead up to that phase
+     * in that lifecycle, and add them to the master MojoBinding list. If the task is not a phase name,
+     * treat it as a direct mojo invocation, parse it into a MojoBinding (resolving the plugin prefix
+     * first if necessary), and add it to the master MojoBinding list. Finally, return the master list.
+     */
+    public List assembleMojoBindingList( List tasks, LifecycleBindings bindings, MavenProject project )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        return assembleMojoBindingList( tasks, bindings, Collections.EMPTY_MAP, project );
+    }
+
+    /**
+     * Traverse the specified LifecycleBindings instance for all of the specified tasks. If the task
+     * is found to be a phase name, construct the list of all MojoBindings that lead up to that phase
+     * in that lifecycle, and add them to the master MojoBinding list. If the task is not a phase name,
+     * treat it as a direct mojo invocation, parse it into a MojoBinding (resolving the plugin prefix
+     * first if necessary), and add it to the master MojoBinding list.
+     * 
+     * Then, iterate through all MojoBindings in the master list, and for each one that maps to an 
+     * entry in directInvocationModifiers, substitute the resultant MojoBinding list from that 
+     * modifier in place of the original MojoBinding.
+     * 
+     * Finally, return the modified master list.
+     */
+    public List assembleMojoBindingList( List tasks, LifecycleBindings lifecycleBindings, Map directInvocationModifiers,
+                                                MavenProject project )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        List planBindings = new ArrayList();
+
+        List lastMojoBindings = null;
+        for ( Iterator it = tasks.iterator(); it.hasNext(); )
+        {
+            String task = (String) it.next();
+
+            LifecycleBinding binding = LifecycleUtils.findLifecycleBindingForPhase( task, lifecycleBindings );
+            if ( binding != null )
+            {
+                List mojoBindings = LifecycleUtils.getMojoBindingListForLifecycle( task, binding );
+
+                // save these so we can reference the originals...
+                List originalMojoBindings = mojoBindings;
+
+                // if these mojo bindings are a superset of the last bindings, only add the difference.
+                if ( isSameOrSuperListOfMojoBindings( mojoBindings, lastMojoBindings ) )
+                {
+                    List revised = new ArrayList( mojoBindings );
+                    revised.removeAll( lastMojoBindings );
+
+                    if ( revised.isEmpty() )
+                    {
+                        continue;
+                    }
+
+                    mojoBindings = revised;
+                }
+
+                planBindings.addAll( mojoBindings );
+                lastMojoBindings = originalMojoBindings;
+            }
+            else
+            {
+                MojoBinding mojoBinding = mojoBindingFactory.parseMojoBinding( task, project, true );
+                BindingUtils.injectProjectConfiguration( mojoBinding, project );
+
+                mojoBinding.setOrigin( "direct invocation" );
+
+                String key = LifecycleUtils.createMojoBindingKey( mojoBinding, true );
+                DirectInvocationModifier modifier = (DirectInvocationModifier) directInvocationModifiers.get( key );
+
+                if ( modifier != null )
+                {
+                    planBindings.addAll( modifier.getModifiedBindings( project, this ) );
+                }
+                else
+                {
+                    planBindings.add( mojoBinding );
+                }
+            }
+        }
+
+        return planBindings;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/DefaultMojoBindingFactory.java

@@ -0,0 +1,135 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.plugin.loader.PluginLoader;
+import org.apache.maven.plugin.loader.PluginLoaderException;
+import org.apache.maven.project.MavenProject;
+
+import java.util.StringTokenizer;
+
+/**
+ * Responsible for constructing or parsing MojoBinding instances from one of several sources, potentially
+ * using the {@link PluginLoader} to resolve any plugin prefixes first.
+ * 
+ * @author jdcasey
+ *
+ */
+public class DefaultMojoBindingFactory
+    implements MojoBindingFactory
+{
+
+    PluginLoader pluginLoader;
+
+    /**
+     * Parse the specified mojo string into a MojoBinding, optionally allowing plugin-prefix references.
+     * If a plugin-prefix is allowed and used, resolve the prefix and use the resulting PluginDescriptor
+     * to set groupId and artifactId on the MojoBinding instance.
+     */
+    public MojoBinding parseMojoBinding( String bindingSpec, MavenProject project, boolean allowPrefixReference )
+        throws LifecycleSpecificationException, LifecycleLoaderException
+    {
+        StringTokenizer tok = new StringTokenizer( bindingSpec, ":" );
+        int numTokens = tok.countTokens();
+
+        MojoBinding binding = null;
+
+        if ( numTokens == 2 )
+        {
+            if ( !allowPrefixReference )
+            {
+                String msg = "Mapped-prefix lookup of mojos are only supported from direct invocation. "
+                    + "Please use specification of the form groupId:artifactId[:version]:goal instead.";
+
+                throw new LifecycleSpecificationException( msg );
+            }
+
+            String prefix = tok.nextToken();
+
+            PluginDescriptor pluginDescriptor;
+            try
+            {
+                pluginDescriptor = pluginLoader.findPluginForPrefix( prefix, project );
+            }
+            catch ( PluginLoaderException e )
+            {
+                throw new LifecycleLoaderException(
+                                                    "Failed to find plugin for prefix: " + prefix + ". Reason: " + e.getMessage(),
+                                                    e );
+            }
+
+            binding = createMojoBinding( pluginDescriptor.getGroupId(), pluginDescriptor.getArtifactId(),
+                                         pluginDescriptor.getVersion(), tok.nextToken(), project );
+        }
+        else if ( numTokens == 3 || numTokens == 4 )
+        {
+            binding = new MojoBinding();
+
+            String groupId = tok.nextToken();
+            String artifactId = tok.nextToken();
+
+            String version = null;
+            if ( numTokens == 4 )
+            {
+                version = tok.nextToken();
+            }
+
+            String goal = tok.nextToken();
+
+            binding = createMojoBinding( groupId, artifactId, version, goal, project );
+        }
+        else
+        {
+            String message = "Invalid task '" + bindingSpec + "': you must specify a valid lifecycle phase, or"
+                + " a goal in the format plugin:goal or pluginGroupId:pluginArtifactId:pluginVersion:goal";
+
+            throw new LifecycleSpecificationException( message );
+        }
+
+        return binding;
+    }
+
+    /**
+     * Create a new MojoBinding instance with the specified information, and inject POM configurations
+     * appropriate to that mojo before returning it.
+     */
+    public MojoBinding createMojoBinding( String groupId, String artifactId, String version, String goal, MavenProject project )
+    {
+        MojoBinding binding = new MojoBinding();
+
+        binding.setGroupId( groupId );
+        binding.setArtifactId( artifactId );
+        binding.setVersion( version );
+        binding.setGoal( goal );
+
+        BindingUtils.injectProjectConfiguration( binding, project );
+
+        return binding;
+    }
+
+    /**
+     * Simplified version of {@link MojoBindingFactory#parseMojoBinding(String, MavenProject, boolean)}
+     * which assumes the project is null and prefixes are not allowed. This method will <b>never</b>
+     * result in the {@link PluginLoader} being used to resolve the PluginDescriptor.
+     */
+    public MojoBinding parseMojoBinding( String bindingSpec )
+        throws LifecycleSpecificationException
+    {
+        try
+        {
+            return parseMojoBinding( bindingSpec, null, false );
+        }
+        catch ( LifecycleLoaderException e )
+        {
+            IllegalStateException error = new IllegalStateException( e.getMessage()
+                + "\n\nTHIS SHOULD BE IMPOSSIBLE DUE TO THE USAGE OF THE PLUGIN-LOADER." );
+            
+            error.initCause( e );
+            
+            throw error;
+        }
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/LegacyLifecycle.java

@@ -1,4 +1,4 @@
-package org.apache.maven.lifecycle;
+package org.apache.maven.lifecycle.binding;
 
 /*
  * Licensed to the Apache Software Foundation (ASF) under one
@@ -24,9 +24,9 @@
 import java.util.Map;
 
 /**
- * Class Lifecycle.
+ * Class LegacyLifecycle.
  */
-public class Lifecycle
+public class LegacyLifecycle
 {
     /**
      * Field id

maven-core/src/main/java/org/apache/maven/lifecycle/binding/LegacyLifecycleMappingParser.java

@@ -0,0 +1,177 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.mapping.LifecycleMapping;
+import org.apache.maven.lifecycle.model.BuildBinding;
+import org.apache.maven.lifecycle.model.CleanBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+import org.apache.maven.lifecycle.model.SiteBinding;
+
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.StringTokenizer;
+
+/**
+ * Responsible for parsing the Maven-2.0.x lifecycle-definition syntaxes. This class is partitioned
+ * from the others, because this syntax should be deprecated and removed from support, eventually.
+ * 
+ * @author jdcasey
+ *
+ */
+public class LegacyLifecycleMappingParser
+{
+
+    public static final String ROLE = LegacyLifecycleMappingParser.class.getName();
+    
+    private MojoBindingFactory mojoBindingFactory;
+
+    public LifecycleBindings parseDefaultMappings( List lifecycles )
+        throws LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        
+        bindings.setPackaging( "unmatched" );
+        
+        for ( Iterator it = lifecycles.iterator(); it.hasNext(); )
+        {
+            LegacyLifecycle lifecycle = (LegacyLifecycle) it.next();
+            
+            if ( "clean".equals( lifecycle.getId() ) )
+            {
+                bindings.setCleanBinding( parseCleanBindings( lifecycle.getDefaultPhases(), Collections.EMPTY_LIST ) );
+            }
+            else if ( "site".equals( lifecycle.getId() ) )
+            {
+                bindings.setSiteBinding( parseSiteBindings( lifecycle.getDefaultPhases(), Collections.EMPTY_LIST ) );
+            }
+            else if ( "default".equals( lifecycle.getId() ) )
+            {
+                bindings.setBuildBinding( parseBuildBindings( lifecycle.getDefaultPhases(), Collections.EMPTY_LIST ) );
+            }
+            else
+            {
+                throw new LifecycleSpecificationException( "Unrecognized lifecycle: " + lifecycle.getId() );
+            }
+        }
+        
+        LifecycleUtils.setOrigin( bindings, "default lifecycle" );
+
+        return bindings;
+    }
+
+    public LifecycleBindings parseMappings( LifecycleMapping mapping, String packaging )
+        throws LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.setPackaging( packaging );
+        
+        bindings.setCleanBinding( parseCleanBindings( mapping.getPhases( "clean" ), mapping.getOptionalMojos( "clean" ) ) );
+        bindings.setBuildBinding( parseBuildBindings( mapping.getPhases( "default" ), mapping.getOptionalMojos( "default" ) ) );
+        bindings.setSiteBinding( parseSiteBindings( mapping.getPhases( "site" ), mapping.getOptionalMojos( "site" ) ) );
+        
+        LifecycleUtils.setOrigin( bindings, "packaging: " + packaging );
+
+        return bindings;
+    }
+    
+    private BuildBinding parseBuildBindings( Map phases, List optionalKeys )
+        throws LifecycleSpecificationException
+    {
+        BuildBinding binding = new BuildBinding();
+        
+        if ( phases != null )
+        {
+            binding.setValidate( parsePhaseBindings( (String) phases.get( "validate" ), optionalKeys ) );
+            binding.setInitialize( parsePhaseBindings( (String) phases.get( "initialize" ), optionalKeys ) );
+            binding.setGenerateSources( parsePhaseBindings( (String) phases.get( "generate-sources" ), optionalKeys ) );
+            binding.setProcessSources( parsePhaseBindings( (String) phases.get( "process-sources" ), optionalKeys ) );
+            binding.setGenerateResources( parsePhaseBindings( (String) phases.get( "generate-resources" ), optionalKeys ) );
+            binding.setProcessResources( parsePhaseBindings( (String) phases.get( "process-resources" ), optionalKeys ) );
+            binding.setCompile( parsePhaseBindings( (String) phases.get( "compile" ), optionalKeys ) );
+            binding.setProcessClasses( parsePhaseBindings( (String) phases.get( "process-classes" ), optionalKeys ) );
+            binding.setGenerateTestSources( parsePhaseBindings( (String) phases.get( "generate-test-sources" ), optionalKeys ) );
+            binding.setProcessTestSources( parsePhaseBindings( (String) phases.get( "process-test-sources" ), optionalKeys ) );
+            binding.setGenerateTestResources( parsePhaseBindings( (String) phases.get( "generate-test-resources" ), optionalKeys ) );
+            binding.setProcessTestResources( parsePhaseBindings( (String) phases.get( "process-test-resources" ), optionalKeys ) );
+            binding.setTestCompile( parsePhaseBindings( (String) phases.get( "test-compile" ), optionalKeys ) );
+            binding.setProcessTestClasses( parsePhaseBindings( (String) phases.get( "process-test-classes" ), optionalKeys ) );
+            binding.setTest( parsePhaseBindings( (String) phases.get( "test" ), optionalKeys ) );
+            binding.setPreparePackage( parsePhaseBindings( (String) phases.get( "prepare-package" ), optionalKeys ) );
+            binding.setCreatePackage( parsePhaseBindings( (String) phases.get( "package" ), optionalKeys ) );
+            binding.setPreIntegrationTest( parsePhaseBindings( (String) phases.get( "pre-integration-test" ), optionalKeys ) );
+            binding.setIntegrationTest( parsePhaseBindings( (String) phases.get( "integration-test" ), optionalKeys ) );
+            binding.setPostIntegrationTest( parsePhaseBindings( (String) phases.get( "post-integration-test" ), optionalKeys ) );
+            binding.setVerify( parsePhaseBindings( (String) phases.get( "verify" ), optionalKeys ) );
+            binding.setInstall( parsePhaseBindings( (String) phases.get( "install" ), optionalKeys ) );
+            binding.setDeploy( parsePhaseBindings( (String) phases.get( "deploy" ), optionalKeys ) );
+        }
+
+        return binding;
+    }
+
+    private CleanBinding parseCleanBindings( Map phaseMappings, List optionalKeys )
+        throws LifecycleSpecificationException
+    {
+        CleanBinding binding = new CleanBinding();
+
+        if ( phaseMappings != null )
+        {
+            binding.setPreClean( parsePhaseBindings( (String) phaseMappings.get( "pre-clean" ), optionalKeys ) );
+            binding.setClean( parsePhaseBindings( (String) phaseMappings.get( "clean" ), optionalKeys ) );
+            binding.setPostClean( parsePhaseBindings( (String) phaseMappings.get( "post-clean" ), optionalKeys ) );
+        }
+
+        return binding;
+    }
+
+    private Phase parsePhaseBindings( String bindingList, List optionalKeys )
+        throws LifecycleSpecificationException
+    {
+        Phase phase = new Phase();
+
+        if ( bindingList != null )
+        {
+            for ( StringTokenizer tok = new StringTokenizer( bindingList, "," ); tok.hasMoreTokens(); )
+            {
+                String rawBinding = tok.nextToken().trim();
+
+                MojoBinding binding = mojoBindingFactory.parseMojoBinding( rawBinding );
+                if ( optionalKeys != null && optionalKeys.contains( rawBinding ) )
+                {
+                    binding.setOptional( true );
+                }
+
+                if ( binding == null )
+                {
+                    continue;
+                }
+
+                phase.addBinding( binding );
+            }
+        }
+
+        return phase;
+    }
+
+    private SiteBinding parseSiteBindings( Map phases, List optionalKeys )
+        throws LifecycleSpecificationException
+    {
+        SiteBinding binding = new SiteBinding();
+
+        if ( phases != null )
+        {
+            binding.setPreSite( parsePhaseBindings( (String) phases.get( "pre-site" ), optionalKeys ) );
+            binding.setSite( parsePhaseBindings( (String) phases.get( "site" ), optionalKeys ) );
+            binding.setPostSite( parsePhaseBindings( (String) phases.get( "post-site" ), optionalKeys ) );
+            binding.setSiteDeploy( parsePhaseBindings( (String) phases.get( "site-deploy" ), optionalKeys ) );
+        }
+
+        return binding;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/LifecycleBindingManager.java

@@ -0,0 +1,98 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.plan.LifecyclePlannerException;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.project.MavenProject;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Responsible for the gross construction of LifecycleBindings, or mappings of MojoBinding instances
+ * to different parts of the three lifecycles: clean, build, and site. Also, handles transcribing
+ * these LifecycleBindings instances into lists of MojoBinding's, which can be consumed by the
+ * LifecycleExecutor.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface LifecycleBindingManager
+{
+
+    String ROLE = LifecycleBindingManager.class.getName();
+
+    /**
+     * Construct the LifecycleBindings for the default lifecycle mappings, including injection of 
+     * configuration from the project into each MojoBinding, where appropriate.
+     */
+    LifecycleBindings getDefaultBindings( MavenProject project )
+        throws LifecycleSpecificationException;
+
+    /**
+     * Retrieve the LifecycleBindings given by the lifecycle mapping component/file for the project's
+     * packaging. Any applicable mojo configuration will be injected into the LifecycleBindings from
+     * the POM.
+     */
+    LifecycleBindings getBindingsForPackaging( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException;
+
+    /**
+     * Construct the LifecycleBindings that constitute the extra mojos bound to the lifecycle within
+     * the POM itself.
+     */
+    LifecycleBindings getProjectCustomBindings( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException;
+
+    /**
+     * Construct the LifecycleBindings that constitute the mojos mapped to the lifecycles by an overlay
+     * specified in a plugin. Inject mojo configuration from the POM into all appropriate MojoBinding
+     * instances.
+     */
+    LifecycleBindings getPluginLifecycleOverlay( PluginDescriptor pluginDescriptor, String lifecycleId, MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException;
+
+    /**
+     * Retrieve the list of MojoBinding instances that correspond  to the reports configured for the
+     * specified project. Inject all appropriate configuration from the POM for each MojoBinding, using
+     * the following precedence rules:
+     * <br/>
+     * <ol>
+     *   <li>report-set-level configuration</li>
+     *   <li>reporting-level configuration</li>
+     *   <li>execution-level configuration</li>
+     *   <li>plugin-level configuration</li>
+     * </ol>
+     */
+    List getReportBindings( MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException;
+
+    /**
+     * Traverse the specified LifecycleBindings instance for all of the specified tasks. If the task
+     * is found to be a phase name, construct the list of all MojoBindings that lead up to that phase
+     * in that lifecycle, and add them to the master MojoBinding list. If the task is not a phase name,
+     * treat it as a direct mojo invocation, parse it into a MojoBinding (resolving the plugin prefix
+     * first if necessary), and add it to the master MojoBinding list.
+     * 
+     * Then, iterate through all MojoBindings in the master list, and for each one that maps to an 
+     * entry in directInvocationModifiers, substitute the resultant MojoBinding list from that 
+     * modifier in place of the original MojoBinding.
+     * 
+     * Finally, return the modified master list.
+     */
+    List assembleMojoBindingList( List tasks, LifecycleBindings bindings, Map directInvocationModifiers, MavenProject project )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException;
+
+    /**
+     * Traverse the specified LifecycleBindings instance for all of the specified tasks. If the task
+     * is found to be a phase name, construct the list of all MojoBindings that lead up to that phase
+     * in that lifecycle, and add them to the master MojoBinding list. If the task is not a phase name,
+     * treat it as a direct mojo invocation, parse it into a MojoBinding (resolving the plugin prefix
+     * first if necessary), and add it to the master MojoBinding list. Finally, return the master list.
+     */
+    List assembleMojoBindingList( List tasks, LifecycleBindings lifecycleBindings, MavenProject project )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException;
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/binding/MojoBindingFactory.java

@@ -0,0 +1,43 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.plugin.loader.PluginLoader;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * Responsible for constructing or parsing MojoBinding instances from one of several sources, potentially
+ * using the {@link PluginLoader} to resolve any plugin prefixes first.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface MojoBindingFactory
+{
+
+    String ROLE = MojoBindingFactory.class.getName();
+
+    /**
+     * Parse the specified mojo string into a MojoBinding, optionally allowing plugin-prefix references.
+     * If a plugin-prefix is allowed and used, resolve the prefix and use the resulting PluginDescriptor
+     * to set groupId and artifactId on the MojoBinding instance.
+     */
+    MojoBinding parseMojoBinding( String bindingSpec, MavenProject project, boolean allowPrefixReference )
+        throws LifecycleSpecificationException, LifecycleLoaderException;
+
+    /**
+     * Create a new MojoBinding instance with the specified information, and inject POM configurations
+     * appropriate to that mojo before returning it.
+     */
+    MojoBinding createMojoBinding( String groupId, String artifactId, String version, String goal, MavenProject project );
+
+    /**
+     * Simplified version of {@link MojoBindingFactory#parseMojoBinding(String, MavenProject, boolean)}
+     * which assumes the project is null and prefixes are not allowed. This method will <b>never</b>
+     * result in the {@link PluginLoader} being used to resolve the PluginDescriptor.
+     */
+    MojoBinding parseMojoBinding( String bindingSpec )
+        throws LifecycleSpecificationException;
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/mapping/DefaultLifecycleMapping.java

@@ -25,7 +25,7 @@
 import java.util.Map;
 
 /**
- * Lifecycle mapping for a POM.
+ * LegacyLifecycle mapping for a POM.
  *
  * @author <a href="mailto:brett@apache.org">Brett Porter</a>
  * @version $Id$

maven-core/src/main/java/org/apache/maven/lifecycle/mapping/Lifecycle.java

@@ -24,7 +24,7 @@
 import java.util.Map;
 
 /**
- * Class Lifecycle.
+ * Class LegacyLifecycle.
  */
 public class Lifecycle
 {

maven-core/src/main/java/org/apache/maven/lifecycle/plan/BuildPlan.java

@@ -0,0 +1,19 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.project.MavenProject;
+
+import java.util.List;
+
+public interface BuildPlan
+    extends ModifiablePlanElement
+{
+
+    List getPlanMojoBindings(MavenProject project, LifecycleBindingManager bindingManager)
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException;
+
+    List getTasks();
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/BuildPlanModifier.java

@@ -0,0 +1,20 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+
+/**
+ * Modifies an existing set of lifecycle mojo bindings, in order to inject extra behavior, such as
+ * forked executions, reporting, etc.
+ */
+public interface BuildPlanModifier extends ModifiablePlanElement
+{
+
+    /**
+     * Inject any modifications into the given LifecycleBindings provided by the build plan. In some
+     * cases, it may be necessary to regenerate the LifecycleBindings instance, so the altered instance
+     * is returned separately.
+     */
+    LifecycleBindings modifyBindings( LifecycleBindings bindings )
+        throws LifecyclePlannerException;
+    
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/BuildPlanUtils.java

@@ -0,0 +1,180 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.MojoBindingUtils;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
+import org.apache.maven.project.MavenProject;
+
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Collection of static utility methods used to work with LifecycleBindings and other collections
+ * of MojoBinding instances that make up a build plan.
+ */
+public final class BuildPlanUtils
+{
+
+    private BuildPlanUtils()
+    {
+    }
+
+    /**
+     * Inject a set of {@link BuildPlanModifier} instances into an existing LifecycleBindings instance.
+     * This is a generalization of a piece of code present in almost all scenarios where a build
+     * plan contains modifiers and is asked to produce an effective list of MojoBinding instances
+     * that make up the build process. Simply iterate through the modifiers, and apply each one,
+     * replacing the previous LifecycleBindings instance with the result of the current modifier.
+     */
+    public static LifecycleBindings modifyPlanBindings( LifecycleBindings bindings, List planModifiers )
+        throws LifecyclePlannerException
+    {
+        LifecycleBindings result;
+
+        // if the bindings are completely empty, passing in null avoids an extra instance creation 
+        // for the purposes of cloning...
+        if ( bindings != null )
+        {
+            result = LifecycleUtils.cloneBindings( bindings );
+        }
+        else
+        {
+            result = new LifecycleBindings();
+        }
+
+        for ( Iterator it = planModifiers.iterator(); it.hasNext(); )
+        {
+            BuildPlanModifier modifier = (BuildPlanModifier) it.next();
+
+            result = modifier.modifyBindings( result );
+        }
+
+        return result;
+    }
+
+    /**
+     * Render an entire build plan to a String.
+     * If extendedInfo == true, include each MojoBinding's configuration in the output.
+     */
+    public static String listBuildPlan( BuildPlan plan, MavenProject project, LifecycleBindingManager lifecycleBindingManager, boolean extendedInfo )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        List mojoBindings = plan.getPlanMojoBindings( project, lifecycleBindingManager );
+
+        return listBuildPlan( mojoBindings, extendedInfo );
+    }
+
+    /**
+     * Render a list containing the MojoBinding instances for an entire build plan to a String.
+     * If extendedInfo == true, include each MojoBinding's configuration in the output.
+     */
+    public static String listBuildPlan( List mojoBindings, boolean extendedInfo )
+        throws LifecycleSpecificationException, LifecyclePlannerException
+    {
+        StringBuffer listing = new StringBuffer();
+        int indentLevel = 0;
+
+        int counter = 1;
+        for ( Iterator it = mojoBindings.iterator(); it.hasNext(); )
+        {
+            MojoBinding binding = (MojoBinding) it.next();
+
+            if ( StateManagementUtils.isForkedExecutionStartMarker( binding ) )
+            {
+                newListingLine( listing, indentLevel, counter );
+                listing.append( "[fork start]" );
+
+                if ( extendedInfo )
+                {
+                    listing.append( ' ' ).append( formatMojoListing( binding, indentLevel, extendedInfo ) );
+                }
+
+                indentLevel++;
+            }
+            else if ( StateManagementUtils.isForkedExecutionClearMarker( binding ) )
+            {
+                indentLevel--;
+
+                newListingLine( listing, indentLevel, counter );
+                listing.append( "[fork cleanup]" );
+
+                if ( extendedInfo )
+                {
+                    listing.append( ' ' ).append( formatMojoListing( binding, indentLevel, extendedInfo ) );
+                }
+            }
+            else if ( StateManagementUtils.isForkedExecutionEndMarker( binding ) )
+            {
+                indentLevel--;
+
+                newListingLine( listing, indentLevel, counter );
+                listing.append( "[fork end]" );
+
+                if ( extendedInfo )
+                {
+                    listing.append( ' ' ).append( formatMojoListing( binding, indentLevel, extendedInfo ) );
+                }
+                
+                indentLevel++;
+            }
+            else
+            {
+                newListingLine( listing, indentLevel, counter );
+                listing.append( formatMojoListing( binding, indentLevel, extendedInfo ) );
+            }
+
+            counter++;
+        }
+
+        return listing.toString();
+    }
+
+    /**
+     * Append a newline character, add the next line's number, and indent the new line to the
+     * appropriate level (which tracks separate forked executions).
+     */
+    private static void newListingLine( StringBuffer listing, int indentLevel, int counter )
+    {
+        listing.append( '\n' );
+
+        listing.append( counter ).append( "." );
+
+        for ( int i = 0; i < indentLevel; i++ )
+        {
+            listing.append( "  " );
+        }
+
+        // adding a minimal offset from the counter (line-number) of the listing.
+        listing.append( ' ' );
+
+    }
+
+    /**
+     * Format a single MojoBinding for inclusion in a build plan listing. If extendedInfo == true,
+     * include the MojoBinding's configuration in the output.
+     */
+    public static String formatMojoListing( MojoBinding binding, int indentLevel, boolean extendedInfo )
+    {
+        StringBuffer listing = new StringBuffer();
+
+        listing.append( MojoBindingUtils.toString( binding ) );
+        listing.append( " [executionId: " ).append( binding.getExecutionId() ).append( "]" );
+
+        if ( extendedInfo )
+        {
+            listing.append( "\nOrigin: " ).append( binding.getOrigin() );
+            listing.append( "\nConfiguration:\n\t" ).append(
+                                                             String.valueOf( binding.getConfiguration() ).replaceAll( "\\n",
+                                                                                                                      "\n\t" ) ).append(
+                                                                                                                                         '\n' );
+        }
+
+        return listing.toString();
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/BuildPlanner.java

@@ -0,0 +1,27 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.project.MavenProject;
+
+import java.util.List;
+
+/**
+ * Responsible for creating a plan of execution for a given project and list of tasks. This build plan
+ * consists of MojoBinding instances that carry all the information necessary to execute a mojo,
+ * including configuration from the POM and other sources. NOTE: the build plan may be constructed
+ * of a main lifecycle binding-set, plus any number of lifecycle modifiers and direct-invocation
+ * modifiers, to handle cases of forked execution.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface BuildPlanner
+{
+
+    /**
+     * Orchestrates construction of the build plan which will be used by the user of LifecycleExecutor.
+     */
+    BuildPlan constructBuildPlan( List tasks, MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException, LifecyclePlannerException;
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/DefaultBuildPlanner.java

@@ -0,0 +1,408 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.MojoBindingUtils;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.binding.MojoBindingFactory;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.plugin.descriptor.MojoDescriptor;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.plugin.loader.PluginLoader;
+import org.apache.maven.plugin.loader.PluginLoaderException;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.logging.LogEnabled;
+import org.codehaus.plexus.logging.Logger;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Responsible for creating a plan of execution for a given project and list of tasks. This build plan
+ * consists of MojoBinding instances that carry all the information necessary to execute a mojo,
+ * including configuration from the POM and other sources. NOTE: the build plan may be constructed
+ * of a main lifecycle binding-set, plus any number of lifecycle modifiers and direct-invocation
+ * modifiers, to handle cases of forked execution.
+ * 
+ * @author jdcasey
+ *
+ */
+public class DefaultBuildPlanner
+    implements BuildPlanner, LogEnabled
+{
+
+    private Logger logger;
+
+    private PluginLoader pluginLoader;
+
+    private LifecycleBindingManager lifecycleBindingManager;
+
+    private MojoBindingFactory mojoBindingFactory;
+
+    /**
+     * Orchestrates construction of the build plan which will be used by the user of LifecycleExecutor.
+     */
+    public BuildPlan constructBuildPlan( List tasks, MavenProject project )
+        throws LifecycleLoaderException, LifecycleSpecificationException, LifecyclePlannerException
+    {
+        LifecycleBindings defaultBindings = lifecycleBindingManager.getDefaultBindings( project );
+        LifecycleBindings packagingBindings = lifecycleBindingManager.getBindingsForPackaging( project );
+        LifecycleBindings projectBindings = lifecycleBindingManager.getProjectCustomBindings( project );
+
+        LifecycleBindings merged = LifecycleUtils.mergeBindings( packagingBindings, projectBindings, defaultBindings, true, false );
+
+        // foreach task, find the binding list from the merged lifecycle-bindings.
+        // if the binding list is a super-set of a previous task, forget the previous task/binding
+        //     list, and use the new one.
+        // if the binding list is null, treat it like a one-off mojo invocation, and parse/validate
+        //     that it can be called as such.
+        // as binding lists accumulate, push them onto an aggregated "plan" listing...
+        BuildPlan plan = new LifecycleBuildPlan( tasks, merged );
+
+        // Inject forked lifecycles as plan modifiers for each mojo that has @execute in it.
+        addForkedLifecycleModifiers( plan, merged, project, tasks );
+        addReportingLifecycleModifiers( plan, merged, project, tasks );
+
+        // TODO: Inject relative-ordered project/plugin executions as plan modifiers.
+
+        return plan;
+    }
+
+    public void enableLogging( Logger logger )
+    {
+        this.logger = logger;
+    }
+
+    /**
+     * Traverses all MojoBinding instances discovered from the POM and its packaging-mappings, and
+     * orchestrates the process of injecting any modifiers that are necessary to accommodate forked
+     * execution.
+     */
+    private void addForkedLifecycleModifiers( ModifiablePlanElement planElement, LifecycleBindings lifecycleBindings,
+                                              MavenProject project, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        List planBindings = lifecycleBindingManager.assembleMojoBindingList( tasks, lifecycleBindings, project );
+
+        for ( Iterator it = planBindings.iterator(); it.hasNext(); )
+        {
+            MojoBinding mojoBinding = (MojoBinding) it.next();
+
+            PluginDescriptor pluginDescriptor;
+            try
+            {
+                pluginDescriptor = pluginLoader.loadPlugin( mojoBinding, project );
+            }
+            catch ( PluginLoaderException e )
+            {
+                throw new LifecyclePlannerException( e.getMessage(), e );
+            }
+
+            MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( mojoBinding.getGoal() );
+            if ( mojoDescriptor == null )
+            {
+                throw new LifecyclePlannerException( "Mojo: " + mojoBinding.getGoal() + " does not exist in plugin: "
+                    + pluginDescriptor.getId() + "." );
+            }
+
+            findForkModifiers( mojoBinding, pluginDescriptor, planElement, lifecycleBindings, project, new LinkedList(), tasks );
+        }
+    }
+
+    /**
+     * Traverses all MojoBinding instances discovered from the POM and its packaging-mappings, and
+     * orchestrates the process of injecting any modifiers that are necessary to accommodate mojos
+     * that require access to the project's configured reports.
+     */
+    private void addReportingLifecycleModifiers( ModifiablePlanElement planElement, LifecycleBindings lifecycleBindings,
+                                                 MavenProject project, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        List planBindings = lifecycleBindingManager.assembleMojoBindingList( tasks, lifecycleBindings, project );
+
+        for ( Iterator it = planBindings.iterator(); it.hasNext(); )
+        {
+            MojoBinding mojoBinding = (MojoBinding) it.next();
+
+            PluginDescriptor pluginDescriptor;
+            try
+            {
+                pluginDescriptor = pluginLoader.loadPlugin( mojoBinding, project );
+            }
+            catch ( PluginLoaderException e )
+            {
+                throw new LifecyclePlannerException( e.getMessage(), e );
+            }
+
+            MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( mojoBinding.getGoal() );
+            if ( mojoDescriptor == null )
+            {
+                throw new LifecyclePlannerException( "Mojo: " + mojoBinding.getGoal() + " does not exist in plugin: "
+                    + pluginDescriptor.getId() + "." );
+            }
+
+            if ( mojoDescriptor.isRequiresReports() )
+            {
+                List reportBindings = lifecycleBindingManager.getReportBindings( project );
+
+                BuildPlanModifier modder = new ReportingPlanModifier( mojoBinding, reportBindings );
+
+                planElement.addModifier( modder );
+
+                // NOTE: the first sighting of a mojo requiring reports should satisfy this condition.
+                // therefore, we can break out as soon as we find one.
+                break;
+            }
+        }
+    }
+
+    /**
+     * Explores a single MojoBinding, and injects any necessary plan modifiers to accommodate any
+     * of the three types of forked execution, along with any new mojos/lifecycles that entails.
+     */
+    private void findForkModifiers( MojoBinding mojoBinding, PluginDescriptor pluginDescriptor,
+                                    ModifiablePlanElement planElement, LifecycleBindings mergedBindings, MavenProject project,
+                                    LinkedList forkingBindings, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        forkingBindings.addLast( mojoBinding );
+
+        try
+        {
+            String referencingGoal = mojoBinding.getGoal();
+
+            MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( referencingGoal );
+
+            if ( mojoDescriptor.getExecuteGoal() != null )
+            {
+                recurseSingleMojoFork( mojoBinding, pluginDescriptor, planElement, mergedBindings, project, forkingBindings,
+                                       tasks );
+            }
+            else if ( mojoDescriptor.getExecutePhase() != null )
+            {
+                recursePhaseMojoFork( mojoBinding, pluginDescriptor, planElement, mergedBindings, project, forkingBindings, tasks );
+            }
+        }
+        finally
+        {
+            forkingBindings.removeLast();
+        }
+    }
+
+    /**
+     * Handles exploration of a single-mojo forked execution for further forkings, and also performs
+     * the actual build-plan modification for that single-mojo forked execution.
+     */
+    private void modifyBuildPlanForForkedDirectInvocation( MojoBinding invokedBinding, MojoBinding invokedVia,
+                                                           PluginDescriptor pluginDescriptor, ModifiablePlanElement planElement,
+                                                           LifecycleBindings mergedBindings, MavenProject project,
+                                                           LinkedList forkingBindings, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        if ( planElement instanceof DirectInvocationOriginElement )
+        {
+            List noTasks = Collections.EMPTY_LIST;
+            
+            LifecycleBindings forkedBindings = new LifecycleBindings();
+            LifecycleBuildPlan forkedPlan = new LifecycleBuildPlan( noTasks, forkedBindings );
+            
+            forkingBindings.addLast( invokedBinding );
+            try
+            {
+                findForkModifiers( invokedBinding, pluginDescriptor, forkedPlan, forkedBindings, project,
+                                   forkingBindings, tasks );
+            }
+            finally
+            {
+                forkingBindings.removeLast();
+            }
+            
+            List forkedMojos = new ArrayList();
+            forkedMojos.addAll( lifecycleBindingManager.assembleMojoBindingList( noTasks, forkedBindings, project ) );
+            forkedMojos.add( invokedBinding );
+
+            DirectInvocationModifier modifier = new ForkedDirectInvocationModifier( invokedVia, forkedMojos );
+
+            ( (DirectInvocationOriginElement) planElement ).addDirectInvocationModifier( modifier );
+        }
+        else
+        {
+            throw new LifecyclePlannerException( "Mojo: " + MojoBindingUtils.toString( invokedVia )
+                + " is not bound to the lifecycle; you cannot attach this mojo to a build-plan modifier." );
+        }
+    }
+
+    /**
+     * Handles exploration of a lifecycle-based forked execution for further forkings, and also performs
+     * the actual build-plan modification for that lifecycle-based forked execution.
+     */
+    private void modifyBuildPlanForForkedLifecycle( MojoBinding mojoBinding, PluginDescriptor pluginDescriptor,
+                                                    ModifiablePlanElement planElement, LifecycleBindings bindings,
+                                                    MavenProject project, LinkedList forkingBindings, List tasks )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( mojoBinding.getGoal() );
+        String phase = mojoDescriptor.getExecutePhase();
+
+        List forkedPhaseBindingList = lifecycleBindingManager.assembleMojoBindingList( Collections.singletonList( phase ),
+                                                                                       bindings, project );
+
+        ModifiablePlanElement mpe;
+
+        // setup the ModifiablePlanElement, into which we'll recurse to find further modifications.
+        if ( LifecycleUtils.findPhaseForMojoBinding( mojoBinding, bindings, true ) != null )
+        {
+            mpe = new ForkPlanModifier( mojoBinding, forkedPhaseBindingList );
+        }
+        else if ( planElement instanceof BuildPlan )
+        {
+            mpe = new SubLifecycleBuildPlan( phase, bindings );
+        }
+        else
+        {
+            throw new LifecyclePlannerException( "Mojo: " + MojoBindingUtils.toString( mojoBinding )
+                + " is not bound to the lifecycle; you cannot attach this mojo to a build-plan modifier." );
+        }
+
+        // recurse, to find further modifications, using the ModifiablePlanElement from above, along
+        // with the modified task list (which doesn't contain the direct-invocation task that landed
+        // us here...
+        for ( Iterator it = forkedPhaseBindingList.iterator(); it.hasNext(); )
+        {
+            MojoBinding forkedBinding = (MojoBinding) it.next();
+
+            PluginDescriptor forkedPluginDescriptor;
+            try
+            {
+                forkedPluginDescriptor = pluginLoader.loadPlugin( forkedBinding, project );
+            }
+            catch ( PluginLoaderException e )
+            {
+                throw new LifecyclePlannerException( e.getMessage(), e );
+            }
+
+            findForkModifiers( forkedBinding, forkedPluginDescriptor, mpe, bindings, project, forkingBindings, tasks );
+        }
+
+        // now that we've discovered any deeper modifications, add the current MPE to the parent MPE
+        // in the appropriate location.
+        if ( LifecycleUtils.findPhaseForMojoBinding( mojoBinding, bindings, true ) != null )
+        {
+            planElement.addModifier( (BuildPlanModifier) mpe );
+        }
+        else if ( planElement instanceof DirectInvocationOriginElement )
+        {
+            List planMojoBindings = ((BuildPlan) mpe).getPlanMojoBindings( project, lifecycleBindingManager );
+            
+            ForkedDirectInvocationModifier modifier = new ForkedDirectInvocationModifier( mojoBinding, planMojoBindings );
+            
+            ( (DirectInvocationOriginElement) planElement ).addDirectInvocationModifier( modifier );
+        }
+    }
+
+    /**
+     * Constructs the lifecycle bindings used to execute a particular fork, given the forking mojo
+     * binding. If the mojo binding specifies a lifecycle overlay, this method will add that into
+     * the forked lifecycle, and calculate the bindings to inject based on the phase in that new
+     * lifecycle which should be executed.
+     * 
+     * Hands off to the {@link DefaultBuildPlanner#modifyBuildPlanForForkedLifecycle(MojoBinding, PluginDescriptor, ModifiablePlanElement, LifecycleBindings, MavenProject, LinkedList, List)}
+     * method to handle the actual plan modification.
+     */
+    private void recursePhaseMojoFork( MojoBinding mojoBinding, PluginDescriptor pluginDescriptor,
+                                       ModifiablePlanElement planElement, LifecycleBindings mergedBindings, MavenProject project,
+                                       LinkedList forkingBindings, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        String referencingGoal = mojoBinding.getGoal();
+
+        MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( referencingGoal );
+
+        String phase = mojoDescriptor.getExecutePhase();
+
+        if ( phase == null )
+        {
+            return;
+        }
+
+        if ( LifecycleUtils.findLifecycleBindingForPhase( phase, mergedBindings ) == null )
+        {
+            throw new LifecyclePlannerException( "Cannot find lifecycle for phase: " + phase );
+        }
+
+        LifecycleBindings cloned;
+        if ( mojoDescriptor.getExecuteLifecycle() != null )
+        {
+            String executeLifecycle = mojoDescriptor.getExecuteLifecycle();
+
+            LifecycleBindings overlayBindings;
+            try
+            {
+                overlayBindings = lifecycleBindingManager.getPluginLifecycleOverlay( pluginDescriptor, executeLifecycle, project );
+            }
+            catch ( LifecycleLoaderException e )
+            {
+                throw new LifecyclePlannerException( "Failed to load overlay lifecycle: " + executeLifecycle + ". Reason: "
+                    + e.getMessage(), e );
+            }
+
+            cloned = LifecycleUtils.cloneBindings( mergedBindings );
+            cloned = LifecycleUtils.mergeBindings( overlayBindings, cloned, null, true, true );
+        }
+        else
+        {
+            cloned = LifecycleUtils.cloneBindings( mergedBindings );
+        }
+
+        LifecycleUtils.removeMojoBindings( forkingBindings, cloned, false );
+
+        modifyBuildPlanForForkedLifecycle( mojoBinding, pluginDescriptor, planElement, cloned, project, forkingBindings, tasks );
+    }
+
+    /**
+     * Retrieves the information necessary to create a new MojoBinding for a single-mojo forked
+     * execution, then hands off to the {@link DefaultBuildPlanner#modifyBuildPlanForForkedDirectInvocation(MojoBinding, MojoBinding, PluginDescriptor, ModifiablePlanElement, LifecycleBindings, MavenProject, LinkedList, List)}
+     * method to actually inject the modification.
+     */
+    private void recurseSingleMojoFork( MojoBinding mojoBinding, PluginDescriptor pluginDescriptor,
+                                        ModifiablePlanElement planElement, LifecycleBindings mergedBindings,
+                                        MavenProject project, LinkedList forkingBindings, List tasks )
+        throws LifecyclePlannerException, LifecycleSpecificationException, LifecycleLoaderException
+    {
+        String referencingGoal = mojoBinding.getGoal();
+
+        MojoDescriptor mojoDescriptor = pluginDescriptor.getMojo( referencingGoal );
+
+        String executeGoal = mojoDescriptor.getExecuteGoal();
+
+        if ( executeGoal == null )
+        {
+            return;
+        }
+
+        MojoDescriptor otherDescriptor = pluginDescriptor.getMojo( executeGoal );
+        if ( otherDescriptor == null )
+        {
+            throw new LifecyclePlannerException( "Mojo: " + executeGoal + " (referenced by: " + referencingGoal
+                + ") does not exist in plugin: " + pluginDescriptor.getId() + "." );
+        }
+
+        MojoBinding binding = mojoBindingFactory.createMojoBinding( pluginDescriptor.getGroupId(),
+                                                                    pluginDescriptor.getArtifactId(),
+                                                                    pluginDescriptor.getVersion(), executeGoal, project );
+
+        binding.setOrigin( "Forked from " + referencingGoal );
+
+        if ( !LifecycleUtils.isMojoBindingPresent( binding, forkingBindings, false ) )
+        {
+            modifyBuildPlanForForkedDirectInvocation( binding, mojoBinding, pluginDescriptor, planElement, mergedBindings,
+                                                      project, forkingBindings, tasks );
+        }
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/DirectInvocationModifier.java

@@ -0,0 +1,32 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.project.MavenProject;
+
+import java.util.List;
+
+/**
+ * Modifier that alters a build plan to substitute a set of MojoBindings in place of a single, 
+ * direct-invocation MojoBinding. These bindings are not impacted by {@link BuildPlanModifier}s, 
+ * since they don't exist in a {@link LifecycleBindings} instance.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface DirectInvocationModifier
+{
+    
+    /**
+     * The MojoBinding which should be modified.
+     */
+    MojoBinding getBindingToModify();
+    
+    /**
+     * Return the list of MojoBindings which should replace the modified binding in the master
+     * build plan.
+     */
+    List getModifiedBindings( MavenProject project, LifecycleBindingManager bindingManager );
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/DirectInvocationOriginElement.java

@@ -0,0 +1,17 @@
+package org.apache.maven.lifecycle.plan;
+
+/**
+ * Instantiates MojoBindings for direct invocation, which may be subject to modification.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface DirectInvocationOriginElement
+{
+    
+    /**
+     * Add a new direct-invocation binding modifier.
+     */
+    void addDirectInvocationModifier( DirectInvocationModifier modifier );
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/ForkPlanModifier.java

@@ -0,0 +1,113 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Inject a list of forked-execution bindings at the point where the modification point is bound to
+ * the supplied LifecycleBindings, bracketed by special mojo bindings to control the forked-execution
+ * context.
+ * 
+ * @author jdcasey
+ *
+ */
+public class ForkPlanModifier
+    implements BuildPlanModifier
+{
+
+    private final MojoBinding modificationPoint;
+    private List planModifiers = new ArrayList();
+
+    private final List mojoBindings;
+
+    public ForkPlanModifier( MojoBinding modificationPoint, List mojoBindings )
+    {
+        this.modificationPoint = modificationPoint;
+        this.mojoBindings = mojoBindings;
+    }
+
+    /**
+     * Retrieve the MojoBinding which serves as the injection point for the forked bindings.
+     */
+    public MojoBinding getModificationPoint()
+    {
+        return modificationPoint;
+    }
+
+    /**
+     * Modify the LifeycleBindings from a BuildPlan by locating the modification point MojoBinding,
+     * and prepending the forked-execution bindings in the plan, bracketed by mojos that control the
+     * forked-execution context.
+     */
+    public LifecycleBindings modifyBindings( LifecycleBindings bindings )
+        throws LifecyclePlannerException
+    {
+        Phase phase = LifecycleUtils.findPhaseForMojoBinding( getModificationPoint(), bindings, true );
+
+        String modificationKey = LifecycleUtils.createMojoBindingKey( getModificationPoint(), true );
+
+        if ( phase == null )
+        {
+            throw new LifecyclePlannerException( "Failed to modify plan. No phase found containing mojoBinding: "
+                + modificationKey );
+        }
+
+        int stopIndex = -1;
+        int insertionIndex = -1;
+        List phaseBindings = phase.getBindings();
+
+        for ( int i = 0; i < phaseBindings.size(); i++ )
+        {
+            MojoBinding candidate = (MojoBinding) phaseBindings.get( i );
+
+            String key = LifecycleUtils.createMojoBindingKey( candidate, true );
+            if ( key.equals( modificationKey ) )
+            {
+                insertionIndex = i;
+                stopIndex = i + 1;
+                break;
+            }
+        }
+        
+        phaseBindings.add( stopIndex, StateManagementUtils.createClearForkedExecutionMojoBinding() );
+        
+        phaseBindings.add( insertionIndex, StateManagementUtils.createEndForkedExecutionMojoBinding() );
+        phaseBindings.addAll( insertionIndex, mojoBindings );
+        phaseBindings.add( insertionIndex, StateManagementUtils.createStartForkedExecutionMojoBinding() );
+        
+        phase.setBindings( phaseBindings );
+        
+        for ( Iterator it = planModifiers.iterator(); it.hasNext(); )
+        {
+            BuildPlanModifier modifier = (BuildPlanModifier) it.next();
+            
+            modifier.modifyBindings( bindings );
+        }
+
+        return bindings;
+    }
+
+    /**
+     * Add a new modifier to further adjust the LifecycleBindings which are modified here.
+     */
+    public void addModifier( BuildPlanModifier planModifier )
+    {
+        planModifiers.add( planModifier );
+    }
+
+    /**
+     * Return true if this modifier itself has modifiers.
+     */
+    public boolean hasModifiers()
+    {
+        return !planModifiers.isEmpty();
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/ForkedDirectInvocationModifier.java

@@ -0,0 +1,56 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
+import org.apache.maven.project.MavenProject;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Inject a list of MojoBindings in place of the forking binding, bracketing the forked bindings with
+ * special mojos to control the forked-execution context.
+ * 
+ * @author jdcasey
+ *
+ */
+public class ForkedDirectInvocationModifier
+    implements DirectInvocationModifier
+{
+
+    private final List forkedBindings;
+    private final MojoBinding forkingBinding;
+
+    public ForkedDirectInvocationModifier( MojoBinding forkingBinding, List forkedBindings )
+    {
+        this.forkingBinding = forkingBinding;
+        this.forkedBindings = forkedBindings;
+    }
+
+    /**
+     * Return a list containing forked-execution context control MojoBindings, the forked-execution
+     * bindings themselves, and finally the binding that forked off a new execution branch.
+     */
+    public List getModifiedBindings( MavenProject project, LifecycleBindingManager bindingManager )
+    {
+        List result = new ArrayList();
+
+        result.add( StateManagementUtils.createStartForkedExecutionMojoBinding() );
+        result.addAll( forkedBindings );
+        result.add( StateManagementUtils.createEndForkedExecutionMojoBinding() );
+        result.add( forkingBinding );
+        result.add( StateManagementUtils.createClearForkedExecutionMojoBinding() );
+
+        return result;
+    }
+
+    /**
+     * Return the MojoBinding that forks execution to include the bindings in this modifier.
+     */
+    public MojoBinding getBindingToModify()
+    {
+        return forkingBinding;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/LifecycleBuildPlan.java

@@ -0,0 +1,91 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.project.MavenProject;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Construct a list of MojoBinding instances that accomplish all of the tasks specified. For lifecycle
+ * phases, construct a list of mojos to execute up to and including the specified phase, and add them
+ * to the list. For direct invocations, construct a new MojoBinding instance and add it to the list.
+ * 
+ * All of these bindings are subject to lifecycle modifications due to forking, reporting, or other
+ * factors, and also to forked-execution modification of direct invocations.
+ * 
+ * @author jdcasey
+ *
+ */
+public class LifecycleBuildPlan
+    implements BuildPlan, DirectInvocationOriginElement
+{
+
+    private final List tasks;
+
+    private final LifecycleBindings lifecycleBindings;
+
+    private List planModifiers = new ArrayList();
+
+    private Map directInvocationModifiers = new HashMap();
+
+    public LifecycleBuildPlan( List tasks, LifecycleBindings lifecycleBindings )
+    {
+        this.tasks = tasks;
+        this.lifecycleBindings = lifecycleBindings;
+    }
+
+    /**
+     * Build the master execution list necessary to accomplish the specified tasks, given the
+     * specified set of mojo bindings to different parts of the lifecycle.
+     */
+    public List getPlanMojoBindings( MavenProject project, LifecycleBindingManager bindingManager )
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings cloned = BuildPlanUtils.modifyPlanBindings( lifecycleBindings, planModifiers );
+
+        return bindingManager.assembleMojoBindingList( tasks, cloned, directInvocationModifiers, project );
+    }
+
+    /**
+     * Retrieve the set of tasks that this build plan is responsible for.
+     */
+    public List getTasks()
+    {
+        return tasks;
+    }
+
+    /**
+     * Add a new build-plan modifier to inject reporting, forked-execution, or other altered behavior
+     * into the "vanilla" lifecycle that was specified at instance construction.
+     */
+    public void addModifier( BuildPlanModifier planModifier )
+    {
+        planModifiers.add( planModifier );
+    }
+
+    /**
+     * Return true if build-plan modifiers exist (these are lifecycle-only modifiers, not direct
+     * invocation modifiers).
+     */
+    public boolean hasModifiers()
+    {
+        return !planModifiers.isEmpty();
+    }
+
+    /**
+     * Add a new modifier for a direct-invocation MojoBinding in the build plan resulting from this
+     * instance.
+     */
+    public void addDirectInvocationModifier( DirectInvocationModifier modifier )
+    {
+        directInvocationModifiers.put( LifecycleUtils.createMojoBindingKey( modifier.getBindingToModify(), true ), modifier );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/LifecyclePlannerException.java

@@ -0,0 +1,25 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleException;
+
+/**
+ * Signals an error during build-plan construction.
+ * 
+ * @author jdcasey
+ *
+ */
+public class LifecyclePlannerException
+    extends LifecycleException
+{
+
+    public LifecyclePlannerException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecyclePlannerException( String message )
+    {
+        super( message );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/ModifiablePlanElement.java

@@ -0,0 +1,23 @@
+package org.apache.maven.lifecycle.plan;
+
+/**
+ * Any element of a build plan that contains or handles a LifecycleBindings instance which is subject
+ * to modification.
+ *  
+ * @author jdcasey
+ *
+ */
+public interface ModifiablePlanElement
+{
+
+    /**
+     * Add a new lifecycle modifier to this build-plan element.
+     */
+    void addModifier( BuildPlanModifier planModifier );
+
+    /**
+     * Return true if this element has lifecycle modifiers
+     */
+    boolean hasModifiers();
+    
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/ReportingPlanModifier.java

@@ -0,0 +1,94 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleUtils;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+/**
+ * Inject the MojoBindings necessary to execute and make available the report instances that another
+ * mojo in the build plan needs.
+ * 
+ * @author jdcasey
+ *
+ */
+public class ReportingPlanModifier
+    implements BuildPlanModifier
+{
+    
+    private List planModifiers = new ArrayList();
+    private final MojoBinding targetMojoBinding;
+    private final List reportBindings;
+
+    public ReportingPlanModifier( MojoBinding mojoBinding, List reportBindings )
+    {
+        this.targetMojoBinding = mojoBinding;
+        this.reportBindings = reportBindings;
+    }
+
+    /**
+     * Find the mojo that requested reports, and inject the reporting MojoBinding instances just
+     * ahead of it in the lifecycle bindings.
+     */
+    public LifecycleBindings modifyBindings( LifecycleBindings bindings )
+        throws LifecyclePlannerException
+    {
+        Phase phase = LifecycleUtils.findPhaseForMojoBinding( targetMojoBinding, bindings, true );
+
+        String modificationKey = LifecycleUtils.createMojoBindingKey( targetMojoBinding, true );
+
+        if ( phase == null )
+        {
+            throw new LifecyclePlannerException( "Failed to modify plan. No phase found containing mojoBinding: "
+                + modificationKey );
+        }
+
+        int insertionIndex = -1;
+        List phaseBindings = phase.getBindings();
+
+        for ( int i = 0; i < phaseBindings.size(); i++ )
+        {
+            MojoBinding candidate = (MojoBinding) phaseBindings.get( i );
+
+            String key = LifecycleUtils.createMojoBindingKey( candidate, true );
+            if ( key.equals( modificationKey ) )
+            {
+                insertionIndex = i;
+                break;
+            }
+        }
+        
+        phaseBindings.addAll( insertionIndex, reportBindings );
+        phase.setBindings( phaseBindings );
+        
+        for ( Iterator it = planModifiers.iterator(); it.hasNext(); )
+        {
+            BuildPlanModifier modifier = (BuildPlanModifier) it.next();
+            
+            modifier.modifyBindings( bindings );
+        }
+        
+        return bindings;
+    }
+
+    /**
+     * Add further lifecycle modifications to this report-injecting modifier.
+     */
+    public void addModifier( BuildPlanModifier planModifier )
+    {
+        planModifiers.add( planModifier );
+    }
+
+    /**
+     * Return true if this report-injecting modifier contains further modifications for the lifecycle.
+     */
+    public boolean hasModifiers()
+    {
+        return !planModifiers.isEmpty();
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/plan/SubLifecycleBuildPlan.java

@@ -0,0 +1,70 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.project.MavenProject;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Constructs a build plan using a LifecycleBindings instance, but only allowing one phase for that
+ * lifecycle, as opposed to the parent class which allows a list of tasks (some of which may not be
+ * lifecycle phases at all).
+ * 
+ * This build plan cannot produce direct-invocation MojoBindings.
+ * 
+ * @author jdcasey
+ *
+ */
+public class SubLifecycleBuildPlan
+    implements BuildPlan
+{
+    
+    private LifecycleBuildPlan delegate;
+    private final String phase;
+    
+    public SubLifecycleBuildPlan( String phase, LifecycleBindings bindings )
+    {
+        this.phase = phase;
+        delegate = new LifecycleBuildPlan( Collections.singletonList( phase ), bindings );
+    }
+
+    /**
+     * Retrieve the build plan binding list from the delegate {@link LifecycleBuildPlan} instance,
+     * and return them.
+     */
+    public List getPlanMojoBindings(MavenProject project, LifecycleBindingManager bindingManager)
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        return delegate.getPlanMojoBindings(project, bindingManager);
+    }
+
+    /**
+     * Return a list containing a single item: the lifecycle phase that this plan is concerned with
+     * accomplishing.
+     */
+    public List getTasks()
+    {
+        return Collections.singletonList( phase );
+    }
+
+    /**
+     * Add a build-plan modifier to the delegate {@link LifecycleBuildPlan} instance.
+     */
+    public void addModifier( BuildPlanModifier planModifier )
+    {
+        delegate.addModifier( planModifier );
+    }
+
+    /**
+     * Return true if the delegate {@link LifecycleBuildPlan} instance contains build-plan modifiers.
+     */
+    public boolean hasModifiers()
+    {
+        return delegate.hasModifiers();
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/statemgmt/ClearForkedContextMojo.java

@@ -0,0 +1,30 @@
+package org.apache.maven.lifecycle.statemgmt;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * Remove the execution-project used during the fork, now that the forking mojo is finished executing.
+ * 
+ * @author jdcasey
+ *
+ */
+public class ClearForkedContextMojo
+    extends AbstractMojo
+{
+    
+    private MavenProject project;
+    
+    private int forkId = -1;
+    
+    public void execute()
+        throws MojoExecutionException, MojoFailureException
+    {
+        getLog().info( "Cleaning up forked execution context [fork id: " + forkId + "]" );
+        
+        project.clearExecutionProject();
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/statemgmt/EndForkedExecutionMojo.java

@@ -0,0 +1,39 @@
+package org.apache.maven.lifecycle.statemgmt;
+
+import org.apache.maven.context.BuildContextManager;
+import org.apache.maven.lifecycle.LifecycleExecutionContext;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * Restore the lifecycle execution context's current-project, and set the project instance from the
+ * forked execution to project.getExecutionProject() for the forking mojo to use.
+ * 
+ * @author jdcasey
+ *
+ */
+public class EndForkedExecutionMojo
+    extends AbstractMojo
+{
+    
+    private int forkId = -1;
+
+    private BuildContextManager buildContextManager;
+
+    public void execute()
+        throws MojoExecutionException, MojoFailureException
+    {
+        getLog().info( "Ending forked execution [fork id: " + forkId + "]" );
+        
+        LifecycleExecutionContext ctx = LifecycleExecutionContext.read( buildContextManager );
+        MavenProject executionProject = ctx.removeForkedProject();
+        
+        MavenProject project = ctx.getCurrentProject();
+        project.setExecutionProject( executionProject );
+        
+        ctx.store( buildContextManager );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/statemgmt/StartForkedExecutionMojo.java

@@ -0,0 +1,36 @@
+package org.apache.maven.lifecycle.statemgmt;
+
+import org.apache.maven.context.BuildContextManager;
+import org.apache.maven.lifecycle.LifecycleExecutionContext;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * Setup a new project instance for the forked executions to use.
+ * 
+ * @author jdcasey
+ *
+ */
+public class StartForkedExecutionMojo
+    extends AbstractMojo
+{
+    
+    private MavenProject project;
+    
+    private int forkId = -1;
+    
+    private BuildContextManager buildContextManager;
+
+    public void execute()
+        throws MojoExecutionException, MojoFailureException
+    {
+        getLog().info( "Starting forked execution [fork id: " + forkId + "]" );
+        
+        LifecycleExecutionContext ctx = LifecycleExecutionContext.read( buildContextManager );
+        ctx.addForkedProject( new MavenProject( project ) );
+        ctx.store( buildContextManager );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/lifecycle/statemgmt/StateManagementUtils.java

@@ -0,0 +1,149 @@
+package org.apache.maven.lifecycle.statemgmt;
+
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+
+/**
+ * Constructs and matches MojoBinding instances that refer to the forked-execution context manager
+ * mojos.
+ * 
+ * @author jdcasey
+ *
+ */
+public final class StateManagementUtils
+{
+
+    public static final String GROUP_ID = "org.apache.maven.plugins.internal";
+
+    public static final String ARTIFACT_ID = "maven-state-management";
+
+    public static final String ORIGIN = "Maven build-state management";
+
+    public static final String END_FORKED_EXECUTION_GOAL = "end-fork";
+
+    public static final String START_FORKED_EXECUTION_GOAL = "start-fork";
+
+    public static final String VERSION = "2.1";
+
+    public static final String CLEAR_FORKED_EXECUTION_GOAL = "clear-fork-context";
+
+    private static int CURRENT_FORK_ID = 0;
+
+    private StateManagementUtils()
+    {
+    }
+
+    /**
+     * Create a new MojoBinding instance that refers to the internal mojo used to setup a new 
+     * forked-execution context. Also, set the configuration to contain the forkId for this new
+     * context.
+     */
+    public static MojoBinding createStartForkedExecutionMojoBinding()
+    {
+        MojoBinding binding = new MojoBinding();
+
+        binding.setGroupId( GROUP_ID );
+        binding.setArtifactId( ARTIFACT_ID );
+        binding.setVersion( VERSION );
+        binding.setGoal( START_FORKED_EXECUTION_GOAL );
+        binding.setOrigin( ORIGIN );
+
+        CURRENT_FORK_ID = (int) System.currentTimeMillis();
+        
+        Xpp3Dom config = new Xpp3Dom( "configuration" );
+        Xpp3Dom forkId = new Xpp3Dom( "forkId" );
+        forkId.setValue( "" + CURRENT_FORK_ID );
+        
+        config.addChild( forkId );
+        
+        binding.setConfiguration( config );
+
+        return binding;
+    }
+
+    /**
+     * Create a new MojoBinding instance that refers to the internal mojo used to end a 
+     * forked-execution context. Also, set the configuration to contain the forkId for this new
+     * context.
+     */
+    public static MojoBinding createEndForkedExecutionMojoBinding()
+    {
+        MojoBinding binding = new MojoBinding();
+
+        binding.setGroupId( GROUP_ID );
+        binding.setArtifactId( ARTIFACT_ID );
+        binding.setVersion( VERSION );
+        binding.setGoal( END_FORKED_EXECUTION_GOAL );
+        binding.setOrigin( ORIGIN );
+
+        Xpp3Dom config = new Xpp3Dom( "configuration" );
+        Xpp3Dom forkId = new Xpp3Dom( "forkId" );
+        forkId.setValue( "" + CURRENT_FORK_ID );
+        
+        config.addChild( forkId );
+        
+        binding.setConfiguration( config );
+
+        return binding;
+    }
+
+    /**
+     * Create a new MojoBinding instance that refers to the internal mojo used to cleanup a completed 
+     * forked-execution context. Also, set the configuration to contain the forkId for this new
+     * context.
+     */
+    public static MojoBinding createClearForkedExecutionMojoBinding()
+    {
+        MojoBinding binding = new MojoBinding();
+
+        binding.setGroupId( GROUP_ID );
+        binding.setArtifactId( ARTIFACT_ID );
+        binding.setVersion( VERSION );
+        binding.setGoal( CLEAR_FORKED_EXECUTION_GOAL );
+        binding.setOrigin( ORIGIN );
+
+        Xpp3Dom config = new Xpp3Dom( "configuration" );
+        Xpp3Dom forkId = new Xpp3Dom( "forkId" );
+        forkId.setValue( "" + CURRENT_FORK_ID );
+        
+        config.addChild( forkId );
+        
+        binding.setConfiguration( config );
+
+        return binding;
+    }
+    
+    /**
+     * Return true if the specified MojoBinding refers to the internal mojo used to setup a new
+     * forked-execution context. This is useful for formatting when listing the build plan, when
+     * expression of these actual mojo names isn't necessarily useful, and can be confusing.
+     */
+    public static boolean isForkedExecutionStartMarker( MojoBinding binding )
+    {
+        return GROUP_ID.equals( binding.getGroupId() ) && ARTIFACT_ID.equals( binding.getArtifactId() )
+            && START_FORKED_EXECUTION_GOAL.equals( binding.getGoal() );
+    }
+
+    /**
+     * Return true if the specified MojoBinding refers to the internal mojo used to end a
+     * forked-execution context. This is useful for formatting when listing the build plan, when
+     * expression of these actual mojo names isn't necessarily useful, and can be confusing.
+     */
+    public static boolean isForkedExecutionEndMarker( MojoBinding binding )
+    {
+        return GROUP_ID.equals( binding.getGroupId() ) && ARTIFACT_ID.equals( binding.getArtifactId() )
+            && END_FORKED_EXECUTION_GOAL.equals( binding.getGoal() );
+    }
+
+    /**
+     * Return true if the specified MojoBinding refers to the internal mojo used to clean up a completed
+     * forked-execution context. This is useful for formatting when listing the build plan, when
+     * expression of these actual mojo names isn't necessarily useful, and can be confusing.
+     */
+    public static boolean isForkedExecutionClearMarker( MojoBinding binding )
+    {
+        return GROUP_ID.equals( binding.getGroupId() ) && ARTIFACT_ID.equals( binding.getArtifactId() )
+            && CLEAR_FORKED_EXECUTION_GOAL.equals( binding.getGoal() );
+    }
+
+}

maven-core/src/main/java/org/apache/maven/plugin/DefaultPluginManager.java

@@ -36,8 +36,11 @@
 import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
 import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
 import org.apache.maven.artifact.versioning.VersionRange;
+import org.apache.maven.context.BuildContextManager;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.execution.RuntimeInformation;
+import org.apache.maven.lifecycle.LifecycleExecutionContext;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
 import org.apache.maven.model.Plugin;
 import org.apache.maven.model.ReportPlugin;
 import org.apache.maven.monitor.event.EventDispatcher;
@@ -92,6 +95,17 @@ public class DefaultPluginManager
     extends AbstractLogEnabled
     implements PluginManager, Contextualizable
 {
+    private static final List RESERVED_GROUP_IDS;
+    
+    static
+    {
+        List rgids = new ArrayList();
+        
+        rgids.add( StateManagementUtils.GROUP_ID );
+        
+        RESERVED_GROUP_IDS = rgids;
+    }
+
     protected PlexusContainer container;
 
     protected PluginDescriptorBuilder pluginDescriptorBuilder;
@@ -119,6 +133,8 @@ public class DefaultPluginManager
 
     protected PluginMappingManager pluginMappingManager;
 
+    private BuildContextManager buildContextManager;
+
     // END component requirements
 
     public DefaultPluginManager()
@@ -157,6 +173,7 @@ public PluginDescriptor verifyPlugin( Plugin plugin,
         // All version-resolution logic has been moved to DefaultPluginVersionManager.
         if ( plugin.getVersion() == null )
         {
+            getLogger().debug( "Resolving version for plugin: " + plugin.getKey() );
             String version = pluginVersionManager.resolvePluginVersion( plugin.getGroupId(), plugin.getArtifactId(),
                                                                         project, session );
             plugin.setVersion( version );
@@ -189,27 +206,38 @@ private PluginDescriptor verifyVersionedPlugin( Plugin plugin, MavenProject proj
         // the 'Can't find plexus container for plugin: xxx' error.
         try
         {
-            VersionRange versionRange = VersionRange.createFromVersionSpec( plugin.getVersion() );
+            // if the groupId is internal, don't try to resolve it...
+            if ( !RESERVED_GROUP_IDS.contains( plugin.getGroupId() ) )
+            {
+                VersionRange versionRange = VersionRange.createFromVersionSpec( plugin.getVersion() );
 
-            List remoteRepositories = new ArrayList();
+                List remoteRepositories = new ArrayList();
 
-            remoteRepositories.addAll( project.getPluginArtifactRepositories() );
+                remoteRepositories.addAll( project.getPluginArtifactRepositories() );
 
-            remoteRepositories.addAll( project.getRemoteArtifactRepositories() );
+                remoteRepositories.addAll( project.getRemoteArtifactRepositories() );
 
-            checkRequiredMavenVersion( plugin, localRepository, remoteRepositories );
+                checkRequiredMavenVersion( plugin, localRepository, remoteRepositories );
 
-            Artifact pluginArtifact =
-                artifactFactory.createPluginArtifact( plugin.getGroupId(), plugin.getArtifactId(), versionRange );
+                Artifact pluginArtifact =
+                    artifactFactory.createPluginArtifact( plugin.getGroupId(), plugin.getArtifactId(), versionRange );
 
-            pluginArtifact = project.replaceWithActiveArtifact( pluginArtifact );
+                pluginArtifact = project.replaceWithActiveArtifact( pluginArtifact );
 
-            artifactResolver.resolve( pluginArtifact, project.getPluginArtifactRepositories(), localRepository );
+                artifactResolver.resolve( pluginArtifact, project.getPluginArtifactRepositories(), localRepository );
 
-//            if ( !pluginCollector.isPluginInstalled( plugin ) )
-//            {
-//            }
-            addPlugin( plugin, pluginArtifact, project, localRepository );
+//                if ( !pluginCollector.isPluginInstalled( plugin ) )
+//                {
+//                }
+                addPlugin( plugin, pluginArtifact, project, localRepository );
+            }
+            else
+            {
+                getLogger().debug( "Skipping resolution for Maven built-in plugin: " + plugin.getKey() );
+                
+                PluginDescriptor pd = pluginCollector.getPluginDescriptor( plugin );
+                pd.setClassRealm( container.getContainerRealm() );
+            }
 
             project.addPlugin( plugin );
         }
@@ -236,7 +264,9 @@ else if ( groupId.equals( e.getGroupId() ) && artifactId.equals( e.getArtifactId
             }
         }
 
-        return pluginCollector.getPluginDescriptor( plugin );
+        PluginDescriptor pluginDescriptor = pluginCollector.getPluginDescriptor( plugin );
+        
+        return pluginDescriptor;
     }
 
     /**
@@ -548,25 +578,13 @@ public void executeMojo( MavenProject project,
 
         PluginDescriptor pluginDescriptor = mojoDescriptor.getPluginDescriptor();
 
-        String goalId = mojoDescriptor.getGoal();
-
-        String groupId = pluginDescriptor.getGroupId();
-
-        String artifactId = pluginDescriptor.getArtifactId();
-
-        String executionId = mojoExecution.getExecutionId();
-
-        Xpp3Dom dom = project.getGoalConfiguration( groupId, artifactId, executionId, goalId );
-
-        Xpp3Dom reportDom = project.getReportConfiguration( groupId, artifactId, executionId );
-
-        dom = Xpp3Dom.mergeXpp3Dom( dom, reportDom );
-
-        if ( mojoExecution.getConfiguration() != null )
+        Xpp3Dom dom = (Xpp3Dom) mojoExecution.getConfiguration();
+        if ( dom != null )
         {
-            dom = Xpp3Dom.mergeXpp3Dom( dom, mojoExecution.getConfiguration() );
+            // make a defensive copy, to keep things from getting polluted.
+            dom = new Xpp3Dom( dom );
         }
-
+        
         plugin = getConfiguredMojo( session, dom, project, false, mojoExecution );
 
         // Event monitoring.
@@ -596,7 +614,21 @@ public void executeMojo( MavenProject project,
             ClassRealm oldRealm = container.setLookupRealm( pluginRealm );
 
             plugin.execute();
-
+            
+            // NEW: If the mojo that just executed is a report, store it in the LifecycleExecutionContext
+            // for reference by future mojos.
+            if ( plugin instanceof MavenReport )
+            {
+                LifecycleExecutionContext ctx = LifecycleExecutionContext.read( buildContextManager );
+                if ( ctx == null )
+                {
+                    ctx = new LifecycleExecutionContext( project );
+                }
+                
+                ctx.addReport( mojoDescriptor, (MavenReport) plugin );
+                ctx.store( buildContextManager );
+            }
+            
             container.setLookupRealm( oldRealm );
 
             dispatcher.dispatchEnd( event, goalExecId );
@@ -757,7 +789,7 @@ private Mojo getConfiguredMojo( MavenSession session,
         {
             pomConfiguration = new XmlPlexusConfiguration( dom );
         }
-
+        
         // Validate against non-editable (@readonly) parameters, to make sure users aren't trying to
         // override in the POM.
         validatePomConfiguration( mojoDescriptor, pomConfiguration );
@@ -768,9 +800,16 @@ private Mojo getConfiguredMojo( MavenSession session,
         //            PlexusConfiguration mergedConfiguration = mergeConfiguration( pomConfiguration,
         //                                                                          mojoDescriptor.getConfiguration() );
 
-        ExpressionEvaluator expressionEvaluator = new PluginParameterExpressionEvaluator( session, mojoExecution,
-                                                                                          pathTranslator, getLogger(),
-                                                                                          project,
+        // NEW: Pass in the LifecycleExecutionContext so we have access to the current project, 
+        // forked project stack (future), and reports.
+        LifecycleExecutionContext ctx = LifecycleExecutionContext.read( buildContextManager );
+        if ( ctx == null )
+        {
+            ctx = new LifecycleExecutionContext( project );
+        }
+        
+        ExpressionEvaluator expressionEvaluator = new PluginParameterExpressionEvaluator( session, mojoExecution, pathTranslator,
+                                                                                          ctx, getLogger(),
                                                                                           session.getExecutionProperties() );
 
         PlexusConfiguration extractedMojoConfiguration =
@@ -1181,7 +1220,7 @@ public static String createPluginParameterRequiredMessage( MojoDescriptor mojo,
     }
 
     // ----------------------------------------------------------------------
-    // Lifecycle
+    // LegacyLifecycle
     // ----------------------------------------------------------------------
 
     public void contextualize( Context context )

maven-core/src/main/java/org/apache/maven/plugin/MojoExecution.java

@@ -39,10 +39,6 @@ public class MojoExecution
 
     private Xpp3Dom configuration;
 
-    private List forkedExecutions = new ArrayList();
-
-    private List reports;
-
     public MojoExecution( MojoDescriptor mojoDescriptor )
     {
         this.mojoDescriptor = mojoDescriptor;
@@ -79,26 +75,6 @@ public Xpp3Dom getConfiguration()
         return configuration;
     }
 
-    public void addMojoExecution( MojoExecution execution )
-    {
-        forkedExecutions.add( execution );
-    }
-
-    public void setReports( List reports )
-    {
-        this.reports = reports;
-    }
-
-    public List getReports()
-    {
-        return reports;
-    }
-
-    public List getForkedExecutions()
-    {
-        return forkedExecutions;
-    }
-
     public void setConfiguration( Xpp3Dom configuration )
     {
         this.configuration = configuration;

maven-core/src/main/java/org/apache/maven/plugin/PluginParameterExpressionEvaluator.java

@@ -20,6 +20,7 @@
  */
 
 import org.apache.maven.execution.MavenSession;
+import org.apache.maven.lifecycle.LifecycleExecutionContext;
 import org.apache.maven.plugin.descriptor.MojoDescriptor;
 import org.apache.maven.plugin.descriptor.PluginDescriptor;
 import org.apache.maven.project.MavenProject;
@@ -74,6 +75,49 @@ public class PluginParameterExpressionEvaluator
 
     private final Properties properties;
 
+    private final LifecycleExecutionContext lifecycleExecutionContext;
+
+    public PluginParameterExpressionEvaluator( MavenSession context,
+                                               MojoExecution mojoExecution,
+                                               PathTranslator pathTranslator,
+                                               LifecycleExecutionContext lifecycleExecutionContext,
+                                               Logger logger,
+                                               Properties properties )
+    {
+        this.context = context;
+        this.mojoExecution = mojoExecution;
+        this.pathTranslator = pathTranslator;
+        this.lifecycleExecutionContext = lifecycleExecutionContext;
+        this.logger = logger;
+        this.properties = properties;
+        
+        this.project = lifecycleExecutionContext.getCurrentProject();
+
+        String basedir = null;
+
+        if ( project != null )
+        {
+            File projectFile = project.getFile();
+
+            // this should always be the case for non-super POM instances...
+            if ( projectFile != null )
+            {
+                basedir = projectFile.getParentFile().getAbsolutePath();
+            }
+        }
+
+        if ( basedir == null )
+        {
+            basedir = System.getProperty( "user.dir" );
+        }
+
+        this.basedir = basedir;
+    }
+
+    /**
+     * @deprecated Use {@link PluginParameterExpressionEvaluator#PluginParameterExpressionEvaluator(MavenSession, MojoExecution, PathTranslator, LifecycleExecutionContext, Logger, Properties)}
+     * instead.
+     */
     public PluginParameterExpressionEvaluator( MavenSession context,
                                                MojoExecution mojoExecution,
                                                PathTranslator pathTranslator,
@@ -84,9 +128,11 @@ public PluginParameterExpressionEvaluator( MavenSession context,
         this.context = context;
         this.mojoExecution = mojoExecution;
         this.pathTranslator = pathTranslator;
+        this.lifecycleExecutionContext = new LifecycleExecutionContext( project );
         this.logger = logger;
-        this.project = project;
         this.properties = properties;
+        
+        this.project = project;
 
         String basedir = null;
 
@@ -192,7 +238,7 @@ else if ( "reactorProjects".equals( expression ) )
         }
         else if ( "reports".equals( expression ) )
         {
-            value = mojoExecution.getReports();
+            value = lifecycleExecutionContext.getReports();
         }
         else if ( "project".equals( expression ) )
         {

maven-core/src/main/java/org/apache/maven/plugin/loader/DefaultPluginLoader.java

@@ -0,0 +1,349 @@
+package org.apache.maven.plugin.loader;
+
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
+import org.apache.maven.artifact.resolver.ArtifactResolutionException;
+import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
+import org.apache.maven.context.BuildContextManager;
+import org.apache.maven.execution.SessionContext;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.plugin.InvalidPluginException;
+import org.apache.maven.plugin.MavenPluginCollector;
+import org.apache.maven.plugin.PluginManager;
+import org.apache.maven.plugin.PluginManagerException;
+import org.apache.maven.plugin.PluginMappingManager;
+import org.apache.maven.plugin.PluginNotFoundException;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.plugin.version.PluginVersionNotFoundException;
+import org.apache.maven.plugin.version.PluginVersionResolutionException;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.settings.Settings;
+import org.codehaus.classworlds.ClassRealm;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+import org.codehaus.plexus.logging.LogEnabled;
+import org.codehaus.plexus.logging.Logger;
+
+import java.util.Iterator;
+
+/**
+ * Responsible for loading plugins, reports, and any components contained therein. Will resolve
+ * plugin versions and plugin prefixes as necessary for plugin resolution.
+ * 
+ * @author jdcasey
+ *
+ */
+public class DefaultPluginLoader
+    implements PluginLoader, LogEnabled
+{
+
+    private Logger logger;
+
+    // FIXME: Move the functionality used from this into the PluginLoader when PluginManager refactor is complete.
+    private PluginManager pluginManager;
+
+    private PluginMappingManager pluginMappingManager;
+
+    private BuildContextManager buildContextManager;
+
+    private MavenPluginCollector pluginCollector;
+
+    /**
+     * Lookup a component with the specified role + roleHint in the plugin's {@link ClassRealm}.
+     * Load the plugin first.
+     */
+    public Object loadPluginComponent( String role, String roleHint, Plugin plugin, MavenProject project )
+        throws ComponentLookupException, PluginLoaderException
+    {
+        loadPlugin( plugin, project );
+
+        try
+        {
+            return pluginManager.getPluginComponent( plugin, role, roleHint );
+        }
+        catch ( PluginManagerException e )
+        {
+            Throwable cause = e.getCause();
+
+            if ( cause != null && ( cause instanceof ComponentLookupException ) )
+            {
+                StringBuffer message = new StringBuffer();
+                message.append( "ComponentLookupException in PluginManager while looking up a component in the realm of: " );
+                message.append( plugin.getKey() );
+                message.append( ".\nReason: " );
+                message.append( cause.getMessage() );
+                message.append( "\n\nStack-Trace inside of PluginManager was:\n\n" );
+
+                StackTraceElement[] elements = e.getStackTrace();
+                for ( int i = 0; i < elements.length; i++ )
+                {
+                    if ( elements[i].getClassName().indexOf( "PluginManager" ) < 0 )
+                    {
+                        break;
+                    }
+
+                    message.append( elements[i] );
+                }
+
+                logger.debug( message.toString() + "\n" );
+
+                throw (ComponentLookupException) cause;
+            }
+            else
+            {
+                throw new PluginLoaderException( plugin, "Failed to lookup plugin component. Reason: " + e.getMessage(), e );
+            }
+        }
+    }
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the plugin implied by the specified MojoBinding, 
+     * using the project for {@link ArtifactRepository} and other supplemental plugin information as 
+     * necessary.
+     */
+    public PluginDescriptor loadPlugin( MojoBinding mojoBinding, MavenProject project )
+        throws PluginLoaderException
+    {
+        PluginDescriptor pluginDescriptor = null;
+
+        Plugin plugin = new Plugin();
+        plugin.setGroupId( mojoBinding.getGroupId() );
+        plugin.setArtifactId( mojoBinding.getArtifactId() );
+        plugin.setVersion( mojoBinding.getVersion() );
+
+        pluginDescriptor = loadPlugin( plugin, project );
+
+        // fill in any blanks once we know more about this plugin.
+        if ( pluginDescriptor != null )
+        {
+            mojoBinding.setGroupId( pluginDescriptor.getGroupId() );
+            mojoBinding.setArtifactId( pluginDescriptor.getArtifactId() );
+            mojoBinding.setVersion( pluginDescriptor.getVersion() );
+        }
+
+        return pluginDescriptor;
+    }
+
+    /**
+     * Determine the appropriate {@link PluginDescriptor} instance for use with the specified plugin
+     * prefix, using the following strategies (in order):
+     * <br/>
+     * <ol>
+     *   <li>Search for a plugin that has already been loaded with the specified prefix</li>
+     *   <li>Search for a plugin configured in the POM that has a matching prefix</li>
+     *   <li>Search the pluginGroups specified in the settings.xml for a matching plugin</li>
+     *   <li>Use groupId == org.apache.maven.plugins, and artifactId == maven-&lt;prefix&gt;-plugin,
+     *         and try to resolve based on that.</li>
+     * </ol>
+     */
+    public PluginDescriptor findPluginForPrefix( String prefix, MavenProject project )
+        throws PluginLoaderException
+    {
+        PluginDescriptor pluginDescriptor = pluginCollector.getPluginDescriptorForPrefix( prefix );
+
+        if ( pluginDescriptor == null )
+        {
+            pluginDescriptor = loadFromProject( prefix, project );
+        }
+
+        if ( pluginDescriptor == null )
+        {
+            pluginDescriptor = loadByPrefix( prefix, project );
+        }
+
+        if ( pluginDescriptor == null )
+        {
+            Plugin plugin = new Plugin();
+            plugin.setArtifactId( PluginDescriptor.getDefaultPluginArtifactId( prefix ) );
+
+            pluginDescriptor = loadPlugin( plugin, project );
+        }
+
+        if ( pluginDescriptor == null )
+        {
+            throw new PluginLoaderException( "Cannot find plugin with prefix: " + prefix );
+        }
+
+        return pluginDescriptor;
+    }
+
+    /**
+     * Look for a plugin configured in the current project that has a prefix matching the one
+     * specified. Return the {@link PluginDescriptor} if a match is found.
+     */
+    private PluginDescriptor loadFromProject( String prefix, MavenProject project )
+        throws PluginLoaderException
+    {
+        PluginDescriptor result = null;
+
+        for ( Iterator it = project.getBuildPlugins().iterator(); it.hasNext(); )
+        {
+            Plugin plugin = (Plugin) it.next();
+
+            PluginDescriptor pluginDescriptor = loadPlugin( plugin, project );
+            if ( prefix.equals( pluginDescriptor.getGoalPrefix() ) )
+            {
+                result = pluginDescriptor;
+                break;
+            }
+        }
+
+        return result;
+    }
+
+    /**
+     * Look for a plugin in the pluginGroups specified in the settings.xml that has a prefix 
+     * matching the one specified. Return the {@link PluginDescriptor} if a match is found.
+     */
+    private PluginDescriptor loadByPrefix( String prefix, MavenProject project )
+        throws PluginLoaderException
+    {
+        SessionContext ctx = SessionContext.read( buildContextManager );
+        Settings settings = ctx.getSettings();
+
+        Plugin plugin = pluginMappingManager.getByPrefix( prefix, settings.getPluginGroups(),
+                                                          project.getPluginArtifactRepositories(), ctx.getLocalRepository() );
+
+        PluginDescriptor pluginDescriptor = null;
+        if ( plugin != null )
+        {
+            pluginDescriptor = loadPlugin( plugin, project );
+        }
+
+        return pluginDescriptor;
+    }
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the specified plugin, using the project for
+     * the {@link ArtifactRepository} and other supplemental plugin information as necessary.
+     */
+    public PluginDescriptor loadPlugin( Plugin plugin, MavenProject project )
+        throws PluginLoaderException
+    {
+        if ( plugin.getGroupId() == null )
+        {
+            plugin.setGroupId( PluginDescriptor.getDefaultPluginGroupId() );
+        }
+
+        SessionContext ctx = SessionContext.read( buildContextManager );
+
+        try
+        {
+            PluginDescriptor result = pluginManager.verifyPlugin( plugin, project, ctx.getSession() );
+
+            // this has been simplified from the old code that injected the plugin management stuff, since
+            // pluginManagement injection is now handled by the project method.
+            project.addPlugin( plugin );
+
+            return result;
+        }
+        catch ( ArtifactResolutionException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( ArtifactNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginVersionResolutionException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( InvalidVersionSpecificationException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( InvalidPluginException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginManagerException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginVersionNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+    }
+
+    public void enableLogging( Logger logger )
+    {
+        this.logger = logger;
+    }
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the report plugin implied by the specified MojoBinding, 
+     * using the project for {@link ArtifactRepository} and other supplemental report/plugin information as 
+     * necessary.
+     */
+    public PluginDescriptor loadReportPlugin( MojoBinding mojoBinding, MavenProject project )
+        throws PluginLoaderException
+    {
+        ReportPlugin plugin = new ReportPlugin();
+        plugin.setGroupId( mojoBinding.getGroupId() );
+        plugin.setArtifactId( mojoBinding.getArtifactId() );
+        plugin.setVersion( mojoBinding.getVersion() );
+
+        PluginDescriptor pluginDescriptor = loadReportPlugin( plugin, project );
+
+        mojoBinding.setVersion( pluginDescriptor.getVersion() );
+
+        return pluginDescriptor;
+    }
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the specified report plugin, using the project for
+     * the {@link ArtifactRepository} and other supplemental report/plugin information as necessary.
+     */
+    public PluginDescriptor loadReportPlugin( ReportPlugin plugin, MavenProject project )
+        throws PluginLoaderException
+    {
+        // TODO: Shouldn't we be injecting pluginManagement info here??
+
+        SessionContext ctx = SessionContext.read( buildContextManager );
+
+        try
+        {
+            return pluginManager.verifyReportPlugin( plugin, project, ctx.getSession() );
+        }
+        catch ( ArtifactResolutionException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( ArtifactNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginVersionResolutionException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( InvalidVersionSpecificationException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( InvalidPluginException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginManagerException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+        catch ( PluginVersionNotFoundException e )
+        {
+            throw new PluginLoaderException( plugin, "Failed to load plugin. Reason: " + e.getMessage(), e );
+        }
+    }
+
+}

maven-core/src/main/java/org/apache/maven/plugin/loader/PluginLoader.java

@@ -0,0 +1,74 @@
+package org.apache.maven.plugin.loader;
+
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.ReportPlugin;
+import org.apache.maven.plugin.descriptor.PluginDescriptor;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.classworlds.ClassRealm;
+import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
+
+/**
+ * Responsible for loading plugins, reports, and any components contained therein. Will resolve
+ * plugin versions and plugin prefixes as necessary for plugin resolution.
+ * 
+ * @author jdcasey
+ *
+ */
+public interface PluginLoader
+{
+
+    /**
+     * Lookup a component with the specified role + roleHint in the plugin's {@link ClassRealm}.
+     * Load the plugin first.
+     */
+    Object loadPluginComponent( String role, String roleHint, Plugin plugin, MavenProject project )
+        throws ComponentLookupException, PluginLoaderException;
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the specified plugin, using the project for
+     * the {@link ArtifactRepository} and other supplemental plugin information as necessary.
+     */
+    PluginDescriptor loadPlugin( Plugin plugin, MavenProject project )
+        throws PluginLoaderException;
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the plugin implied by the specified MojoBinding, 
+     * using the project for {@link ArtifactRepository} and other supplemental plugin information as 
+     * necessary.
+     */
+    PluginDescriptor loadPlugin( MojoBinding mojoBinding, MavenProject project )
+        throws PluginLoaderException;
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the specified report plugin, using the project for
+     * the {@link ArtifactRepository} and other supplemental report/plugin information as necessary.
+     */
+    PluginDescriptor loadReportPlugin( ReportPlugin reportPlugin, MavenProject project )
+        throws PluginLoaderException;
+
+    /**
+     * Load the {@link PluginDescriptor} instance for the report plugin implied by the specified MojoBinding, 
+     * using the project for {@link ArtifactRepository} and other supplemental report/plugin information as 
+     * necessary.
+     */
+    PluginDescriptor loadReportPlugin( MojoBinding mojoBinding, MavenProject project )
+        throws PluginLoaderException;
+
+    /**
+     * Determine the appropriate {@link PluginDescriptor} instance for use with the specified plugin
+     * prefix, using the following strategies (in order):
+     * <br/>
+     * <ol>
+     *   <li>Search for a plugin that has already been loaded with the specified prefix</li>
+     *   <li>Search for a plugin configured in the POM that has a matching prefix</li>
+     *   <li>Search the pluginGroups specified in the settings.xml for a matching plugin</li>
+     *   <li>Use groupId == org.apache.maven.plugins, and artifactId == maven-&lt;prefix&gt;-plugin,
+     *         and try to resolve based on that.</li>
+     * </ol>
+     */
+    PluginDescriptor findPluginForPrefix( String prefix, MavenProject project )
+        throws PluginLoaderException;
+    
+}

maven-core/src/main/java/org/apache/maven/plugin/loader/PluginLoaderException.java

@@ -0,0 +1,58 @@
+package org.apache.maven.plugin.loader;
+
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.ReportPlugin;
+
+/**
+ * Signifies a failure to load a plugin. This is used to abstract the specific errors which may be
+ * encountered at lower levels, and provide a dependable interface to the plugin-loading framework.
+ * 
+ * @author jdcasey
+ *
+ */
+public class PluginLoaderException
+    extends Exception
+{
+
+    private String pluginKey;
+
+    public PluginLoaderException( Plugin plugin, String message, Throwable cause )
+    {
+        super( message, cause );
+        this.pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( Plugin plugin, String message )
+    {
+        super( message );
+        this.pluginKey = plugin.getKey();
+    }
+    
+    public PluginLoaderException( String message )
+    {
+        super( message );
+    }
+
+    public PluginLoaderException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+
+    public PluginLoaderException( ReportPlugin plugin, String message, Throwable cause )
+    {
+        super( message, cause );
+        this.pluginKey = plugin.getKey();
+    }
+
+    public PluginLoaderException( ReportPlugin plugin, String message )
+    {
+        super( message );
+        this.pluginKey = plugin.getKey();
+    }
+    
+    public String getPluginKey()
+    {
+        return pluginKey;
+    }
+
+}

maven-core/src/main/java/org/apache/maven/plugin/version/DefaultPluginVersionManager.java

@@ -90,6 +90,7 @@ private String resolvePluginVersion( String groupId,
 
         // first pass...if the plugin is specified in the pom, try to retrieve the version from there.
         String version = getVersionFromPluginConfig( groupId, artifactId, project, resolveAsReportPlugin );
+        getLogger().debug( "Version from POM: " + version );
 
         // NOTE: We CANNOT check the current project version here, so delay it until later.
         // It will prevent plugins from building themselves, if they are part of the lifecycle mapping.
@@ -107,6 +108,7 @@ private String resolvePluginVersion( String groupId,
                 }
             }
         }
+        getLogger().debug( "Version from another POM in the reactor: " + version );
 
         // third pass...we're always checking for latest install/deploy, so retrieve the version for LATEST metadata and
         // also set that resolved version as the <useVersion/> in settings.xml.
@@ -114,6 +116,7 @@ private String resolvePluginVersion( String groupId,
         {
             // 1. resolve the version to be used
             version = resolveMetaVersion( groupId, artifactId, project, localRepository, Artifact.LATEST_VERSION );
+            getLogger().debug( "Version from LATEST metadata: " + version );
         }
 
         // final pass...retrieve the version for RELEASE and also set that resolved version as the <useVersion/>
@@ -122,6 +125,7 @@ private String resolvePluginVersion( String groupId,
         {
             // 1. resolve the version to be used
             version = resolveMetaVersion( groupId, artifactId, project, localRepository, Artifact.RELEASE_VERSION );
+            getLogger().debug( "Version from RELEASE metadata: " + version );
         }
 
         // if we're still empty here, and the current project matches the plugin in question, use the current project's
@@ -130,6 +134,7 @@ private String resolvePluginVersion( String groupId,
             project.getArtifactId().equals( artifactId ) )
         {
             version = project.getVersion();
+            getLogger().debug( "Version from POM itself (this project IS the plugin project): " + version );
         }
 
         // if we still haven't found a version, then fail early before we get into the update goop.

maven-core/src/main/resources/META-INF/maven/plugin.xml

@@ -0,0 +1,117 @@
+<plugin>
+  <description>Maven Internal State-Management Plugins</description>
+  <groupId>org.apache.maven.plugins.internal</groupId>
+  <artifactId>maven-state-management</artifactId>
+  <version>2.1</version>
+  <goalPrefix>statemgmt</goalPrefix>
+  <isolatedRealm>false</isolatedRealm>
+  <inheritedByDefault>true</inheritedByDefault>
+  <mojos>
+    <mojo>
+      <goal>start-fork</goal>
+      <description>Setup the appropriate build state to initiate a forked execution.</description>
+      <requiresDirectInvocation>false</requiresDirectInvocation>
+      <requiresProject>true</requiresProject>
+      <requiresReports>false</requiresReports>
+      <aggregator>false</aggregator>
+      <requiresOnline>false</requiresOnline>
+      <inheritedByDefault>true</inheritedByDefault>
+      <implementation>org.apache.maven.lifecycle.statemgmt.StartForkedExecutionMojo</implementation>
+      <language>java</language>
+      <instantiationStrategy>per-lookup</instantiationStrategy>
+      <executionStrategy>once-per-session</executionStrategy>
+      <parameters>
+        <parameter>
+          <name>project</name>
+          <type>org.apache.maven.project.MavenProject</type>
+          <required>true</required>
+          <editable>false</editable>
+          <description>The current MavenProject instance, which will have a new executionProject set after execution.</description>
+        </parameter>
+        <parameter>
+          <name>forkId</name>
+          <type>int</type>
+          <required>true</required>
+          <editable>true</editable>
+          <description>The current fork identifier.</description>
+        </parameter>
+      </parameters>
+      <configuration>
+        <project implementation="org.apache.maven.project.MavenProject" default-value="${project}"/>
+        <forkId implementation="int" default-value="-1">${forkId}</forkId>
+      </configuration>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.context.BuildContextManager</role>
+          <field-name>buildContextManager</field-name>
+        </requirement>
+      </requirements>
+    </mojo>
+    <mojo>
+      <goal>end-fork</goal>
+      <description>Restore the non-fork currentProject instance, for use in the forking mojo.</description>
+      <requiresDirectInvocation>false</requiresDirectInvocation>
+      <requiresProject>true</requiresProject>
+      <requiresReports>false</requiresReports>
+      <aggregator>false</aggregator>
+      <requiresOnline>false</requiresOnline>
+      <inheritedByDefault>true</inheritedByDefault>
+      <implementation>org.apache.maven.lifecycle.statemgmt.EndForkedExecutionMojo</implementation>
+      <language>java</language>
+      <instantiationStrategy>per-lookup</instantiationStrategy>
+      <executionStrategy>once-per-session</executionStrategy>
+      <parameters>
+        <parameter>
+          <name>forkId</name>
+          <type>int</type>
+          <required>true</required>
+          <editable>true</editable>
+          <description>The current fork identifier.</description>
+        </parameter>
+      </parameters>
+      <configuration>
+        <forkId implementation="int" default-value="-1">${forkId}</forkId>
+      </configuration>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.context.BuildContextManager</role>
+          <field-name>buildContextManager</field-name>
+        </requirement>
+      </requirements>
+    </mojo>
+    <mojo>
+      <goal>clear-fork-context</goal>
+      <description>Tear down any build state used during the previous forked execution.</description>
+      <requiresDirectInvocation>false</requiresDirectInvocation>
+      <requiresProject>true</requiresProject>
+      <requiresReports>false</requiresReports>
+      <aggregator>false</aggregator>
+      <requiresOnline>false</requiresOnline>
+      <inheritedByDefault>true</inheritedByDefault>
+      <implementation>org.apache.maven.lifecycle.statemgmt.ClearForkedContextMojo</implementation>
+      <language>java</language>
+      <instantiationStrategy>per-lookup</instantiationStrategy>
+      <executionStrategy>once-per-session</executionStrategy>
+      <parameters>
+        <parameter>
+          <name>project</name>
+          <type>org.apache.maven.project.MavenProject</type>
+          <required>true</required>
+          <editable>false</editable>
+          <description>The current MavenProject instance, which will have the current executionProject cleared after execution.</description>
+        </parameter>
+        <parameter>
+          <name>forkId</name>
+          <type>int</type>
+          <required>true</required>
+          <editable>true</editable>
+          <description>The current fork identifier.</description>
+        </parameter>
+      </parameters>
+      <configuration>
+        <project implementation="org.apache.maven.project.MavenProject" default-value="${project}"/>
+        <forkId implementation="int" default-value="-1">${forkId}</forkId>
+      </configuration>
+    </mojo>
+  </mojos>
+</plugin>

maven-core/src/main/resources/META-INF/plexus/components.xml

@@ -52,6 +52,9 @@ under the License.
       <role>org.apache.maven.plugin.PluginManager</role>
       <implementation>org.apache.maven.plugin.DefaultPluginManager</implementation>
       <requirements>
+        <requirement>
+          <role>org.apache.maven.context.BuildContextManager</role>
+        </requirement>
         <requirement>
           <role>org.apache.maven.ArtifactFilterManager</role>
         </requirement>
@@ -260,102 +263,28 @@ under the License.
       <role>org.apache.maven.lifecycle.LifecycleExecutor</role>
       <implementation>org.apache.maven.lifecycle.DefaultLifecycleExecutor</implementation>
       <requirements>
+        <requirement>
+          <role>org.apache.maven.context.BuildContextManager</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.LifecycleBindingManager</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.plugin.loader.PluginLoader</role>
+        </requirement>
         <requirement>
           <role>org.apache.maven.plugin.PluginManager</role>
         </requirement>
         <requirement>
           <role>org.apache.maven.artifact.handler.manager.ArtifactHandlerManager</role>
         </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.plan.BuildPlanner</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.MojoBindingFactory</role>
+        </requirement>
       </requirements>
-      <configuration>
-        <lifecycles>
-          <lifecycle>
-            <id>default</id>
-            <!-- START SNIPPET: lifecycle -->
-            <phases>
-              <phase>validate</phase>
-              <phase>initialize</phase>
-              <phase>generate-sources</phase>
-              <phase>process-sources</phase>
-              <phase>generate-resources</phase>
-              <phase>process-resources</phase>
-              <phase>compile</phase>
-              <phase>process-classes</phase>
-              <phase>generate-test-sources</phase>
-              <phase>process-test-sources</phase>
-              <phase>generate-test-resources</phase>
-              <phase>process-test-resources</phase>
-              <phase>test-compile</phase>
-              <phase>process-test-classes</phase>
-              <phase>test</phase>
-              <phase>prepare-package</phase>
-              <phase>package</phase>
-              <phase>pre-integration-test</phase>
-              <phase>integration-test</phase>
-              <phase>post-integration-test</phase>
-              <phase>verify</phase>
-              <phase>install</phase>
-              <phase>deploy</phase>
-            </phases>
-            <!-- END SNIPPET: lifecycle -->
-          </lifecycle>
-          <lifecycle>
-            <id>clean</id>
-            <phases>
-              <phase>pre-clean</phase>
-              <phase>clean</phase>
-              <phase>post-clean</phase>
-            </phases>
-            <default-phases>
-              <clean>org.apache.maven.plugins:maven-clean-plugin:clean</clean>
-            </default-phases>
-          </lifecycle>
-          <lifecycle>
-            <id>site</id>
-            <phases>
-              <phase>pre-site</phase>
-              <phase>site</phase>
-              <phase>post-site</phase>
-              <phase>site-deploy</phase>
-            </phases>
-            <default-phases>
-              <site>org.apache.maven.plugins:maven-site-plugin:site</site>
-              <site-deploy>org.apache.maven.plugins:maven-site-plugin:deploy</site-deploy>
-            </default-phases>
-          </lifecycle>
-        </lifecycles>
-        <!-- START SNIPPET: default-reports -->
-        <defaultReports>
-          <report>org.apache.maven.plugins:maven-project-info-reports-plugin</report>
-          <!-- TODO: currently in mojo - should they be defaults any more?
-          <report>org.apache.maven.plugins:maven-checkstyle-plugin</report>
-          <report>org.apache.maven.plugins:maven-javadoc-plugin</report>
-                    <report>org.apache.maven.plugins:maven-changelog-plugin</report>
-                    <report>org.apache.maven.plugins:maven-surefire-report-plugin</report>
-                    <report>org.apache.maven.plugins:maven-jdepend-plugin</report>
-                    <report>org.apache.maven.plugins:maven-jxr-plugin</report>
-                    <report>org.apache.maven.plugins:maven-taglist-plugin</report>
-          -->
-        </defaultReports>
-        <!-- END SNIPPET: default-reports -->
-        <!-- START SNIPPET: default-lifecycle -->
-        <!-- NOT USED, ACCORDING TO CODE.
-        <defaultPhases>
-          <process-resources>org.apache.maven.plugins:maven-resources-plugin:resources</process-resources>
-          <compile>org.apache.maven.plugins:maven-compiler-plugin:compile</compile>
-          <process-test-resources>org.apache.maven.plugins:maven-resources-plugin:testResources</process-test-resources>
-          <test-compile>org.apache.maven.plugins:maven-compiler-plugin:testCompile</test-compile>
-          <test>org.apache.maven.plugins:maven-surefire-plugin:test</test>
-          <package>
-            org.apache.maven.plugins:maven-jar-plugin:jar,
-            org.apache.maven.plugins:maven-source-plugin:jar
-          </package>
-          <install>org.apache.maven.plugins:maven-install-plugin:install</install>
-          <deploy>org.apache.maven.plugins:maven-deploy-plugin:deploy</deploy>
-        </defaultPhases>
-        -->
-        <!-- END SNIPPET: default-lifecycle -->
-      </configuration>
     </component>
 
     <!-- TODO: issues with the lifecycle:
@@ -621,5 +550,182 @@ under the License.
         </requirement>
       </requirements>
     </component>
+    
+    <component>
+      <role>org.codehaus.plexus.collections.ActiveMap</role>
+      <role-hint>lifecycle-loaders-by-packaging</role-hint>
+      <implementation>org.codehaus.plexus.collections.DefaultActiveMap</implementation>
+      <configuration>
+        <role>org.apache.maven.lifecycle.LifecycleBindingLoader</role>
+      </configuration>
+    </component>
+    
+    <component>
+      <role>org.codehaus.plexus.collections.ActiveMap</role>
+      <role-hint>legacy-lifecycle-mappings-by-packaging</role-hint>
+      <implementation>org.codehaus.plexus.collections.DefaultActiveMap</implementation>
+      <configuration>
+        <role>org.apache.maven.lifecycle.mapping.LifecycleMapping</role>
+      </configuration>
+    </component>
+    
+    <component>
+      <role>org.apache.maven.plugin.loader.PluginLoader</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.plugin.loader.DefaultPluginLoader</implementation>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.plugin.MavenPluginCollector</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.plugin.PluginManager</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.plugin.PluginMappingManager</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.context.BuildContextManager</role>
+        </requirement>
+      </requirements>
+    </component>
+    
+    <component>
+      <role>org.apache.maven.lifecycle.binding.LifecycleBindingManager</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.lifecycle.binding.DefaultLifecycleBindingManager</implementation>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.plugin.loader.PluginLoader</role>
+        </requirement>
+        <requirement>
+          <role>org.codehaus.plexus.collections.ActiveMap</role>
+          <role-hint>lifecycle-loaders-by-packaging</role-hint>
+          <field-name>bindingsByPackaging</field-name>
+        </requirement>
+        <requirement>
+          <role>org.codehaus.plexus.collections.ActiveMap</role>
+          <role-hint>legacy-lifecycle-mappings-by-packaging</role-hint>
+          <field-name>legacyMappingsByPackaging</field-name>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.MojoBindingFactory</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.LegacyLifecycleMappingParser</role>
+        </requirement>
+      </requirements>
+      <configuration>
+        <legacyLifecycles>
+          <legacyLifecycle>
+            <id>default</id>
+            <!-- START SNIPPET: lifecycle -->
+            <phases>
+              <phase>validate</phase>
+              <phase>initialize</phase>
+              <phase>generate-sources</phase>
+              <phase>process-sources</phase>
+              <phase>generate-resources</phase>
+              <phase>process-resources</phase>
+              <phase>compile</phase>
+              <phase>process-classes</phase>
+              <phase>generate-test-sources</phase>
+              <phase>process-test-sources</phase>
+              <phase>generate-test-resources</phase>
+              <phase>process-test-resources</phase>
+              <phase>test-compile</phase>
+              <phase>process-test-classes</phase>
+              <phase>test</phase>
+              <phase>prepare-package</phase>
+              <phase>package</phase>
+              <phase>pre-integration-test</phase>
+              <phase>integration-test</phase>
+              <phase>post-integration-test</phase>
+              <phase>verify</phase>
+              <phase>install</phase>
+              <phase>deploy</phase>
+            </phases>
+            <!-- END SNIPPET: lifecycle -->
+          </legacyLifecycle>
+          <legacyLifecycle>
+            <id>clean</id>
+            <phases>
+              <phase>pre-clean</phase>
+              <phase>clean</phase>
+              <phase>post-clean</phase>
+            </phases>
+            <default-phases>
+              <clean>org.apache.maven.plugins:maven-clean-plugin:clean</clean>
+            </default-phases>
+          </legacyLifecycle>
+          <legacyLifecycle>
+            <id>site</id>
+            <phases>
+              <phase>pre-site</phase>
+              <phase>site</phase>
+              <phase>post-site</phase>
+              <phase>site-deploy</phase>
+            </phases>
+            <default-phases>
+              <site>org.apache.maven.plugins:maven-site-plugin:site</site>
+              <site-deploy>org.apache.maven.plugins:maven-site-plugin:deploy</site-deploy>
+            </default-phases>
+          </legacyLifecycle>
+        </legacyLifecycles>
+        <!-- START SNIPPET: default-reports -->
+        <defaultReports>
+          <report>org.apache.maven.plugins:maven-project-info-reports-plugin</report>
+          <!-- TODO: currently in mojo - should they be defaults any more?
+          <report>org.apache.maven.plugins:maven-checkstyle-plugin</report>
+          <report>org.apache.maven.plugins:maven-javadoc-plugin</report>
+                    <report>org.apache.maven.plugins:maven-changelog-plugin</report>
+                    <report>org.apache.maven.plugins:maven-surefire-report-plugin</report>
+                    <report>org.apache.maven.plugins:maven-jdepend-plugin</report>
+                    <report>org.apache.maven.plugins:maven-jxr-plugin</report>
+                    <report>org.apache.maven.plugins:maven-taglist-plugin</report>
+          -->
+        </defaultReports>
+        <!-- END SNIPPET: default-reports -->
+      </configuration>
+    </component>
+    
+    <component>
+      <role>org.apache.maven.lifecycle.plan.BuildPlanner</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.lifecycle.plan.DefaultBuildPlanner</implementation>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.plugin.loader.PluginLoader</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.LifecycleBindingManager</role>
+        </requirement>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.MojoBindingFactory</role>
+        </requirement>
+      </requirements>
+    </component>
+    
+    <component>
+      <role>org.apache.maven.lifecycle.binding.MojoBindingFactory</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.lifecycle.binding.DefaultMojoBindingFactory</implementation>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.plugin.loader.PluginLoader</role>
+        </requirement>
+      </requirements>
+    </component>
+    
+    <component>
+      <role>org.apache.maven.lifecycle.binding.LegacyLifecycleMappingParser</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.lifecycle.binding.LegacyLifecycleMappingParser</implementation>
+      <requirements>
+        <requirement>
+          <role>org.apache.maven.lifecycle.binding.MojoBindingFactory</role>
+        </requirement>
+      </requirements>
+    </component>
+    
   </components>
 </component-set>

maven-core/src/test/java/org/apache/maven/lifecycle/LegacyLifecycleMappingParserTest.java

@@ -0,0 +1,153 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.binding.LegacyLifecycleMappingParser;
+import org.apache.maven.lifecycle.binding.LegacyLifecycleParsingTestComponent;
+import org.apache.maven.lifecycle.mapping.LifecycleMapping;
+import org.apache.maven.lifecycle.model.BuildBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.codehaus.plexus.PlexusTestCase;
+
+import java.util.List;
+
+public class LegacyLifecycleMappingParserTest
+    extends PlexusTestCase
+{
+
+    private LegacyLifecycleParsingTestComponent testComponent;
+
+    private LifecycleMapping testMapping;
+    
+    private LifecycleMapping testMapping2;
+    
+    private LegacyLifecycleMappingParser parser;
+
+    public void setUp()
+        throws Exception
+    {
+        super.setUp();
+        
+        parser = (LegacyLifecycleMappingParser) lookup( LegacyLifecycleMappingParser.ROLE, "default" );
+
+        testComponent = (LegacyLifecycleParsingTestComponent) lookup( LegacyLifecycleParsingTestComponent.ROLE, "default" );
+        testMapping = (LifecycleMapping) lookup( LifecycleMapping.ROLE, "test-mapping" );
+        testMapping2 = (LifecycleMapping) lookup( LifecycleMapping.ROLE, "test-mapping2" );
+    }
+
+    public void tearDown()
+        throws Exception
+    {
+        release( testComponent );
+        release( testMapping );
+        release( testMapping2 );
+
+        super.tearDown();
+    }
+
+    public void testParseDefaultMappings_UsingExistingDefaultMappings()
+        throws LifecycleSpecificationException
+    {
+        List lifecycles = testComponent.getLifecycles();
+        LifecycleBindings bindings = parser.parseDefaultMappings( lifecycles );
+
+        //        <clean>org.apache.maven.plugins:maven-clean-plugin:clean</clean>
+        List cleanPhase = bindings.getCleanBinding().getClean().getBindings();
+        assertEquals( 1, cleanPhase.size() );
+
+        MojoBinding binding = (MojoBinding) cleanPhase.get( 0 );
+        assertMojo( "org.apache.maven.plugins", "maven-clean-plugin", "clean", binding );
+
+        //        <site>org.apache.maven.plugins:maven-site-plugin:site</site>
+        List sitePhase = bindings.getSiteBinding().getSite().getBindings();
+        assertEquals( 1, sitePhase.size() );
+
+        binding = (MojoBinding) sitePhase.get( 0 );
+        assertMojo( "org.apache.maven.plugins", "maven-site-plugin", "site", binding );
+
+        //      <site-deploy>org.apache.maven.plugins:maven-site-plugin:deploy</site-deploy>
+        List siteDeployPhase = bindings.getSiteBinding().getSiteDeploy().getBindings();
+        assertEquals( 1, siteDeployPhase.size() );
+
+        binding = (MojoBinding) siteDeployPhase.get( 0 );
+        assertMojo( "org.apache.maven.plugins", "maven-site-plugin", "deploy", binding );
+    }
+
+    private void assertMojo( String groupId, String artifactId, String goal, MojoBinding binding )
+    {
+        assertEquals( groupId, binding.getGroupId() );
+        assertEquals( artifactId, binding.getArtifactId() );
+        assertEquals( goal, binding.getGoal() );
+    }
+
+    public void testParseMappings_SparselyPopulatedMappings()
+        throws LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = parser.parseMappings( testMapping, "test-mapping" );
+
+        BuildBinding bb = bindings.getBuildBinding();
+        assertNotNull( bb );
+
+        //      <phases>
+        //        <package>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</package>
+        //        <install>org.apache.maven.plugins:maven-install-plugin:install</install>
+        //        <deploy>org.apache.maven.plugins:maven-deploy-plugin:deploy</deploy>
+        //      </phases>
+        //      <optional-mojos>
+        //        <optional-mojo>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</optional-mojo>
+        //      </optional-mojos>
+        List mojos = bb.getCreatePackage().getBindings();
+
+        assertEquals( 1, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-site-plugin", "attach-descriptor", (MojoBinding) mojos.get( 0 ) );
+        assertTrue( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+
+        mojos = bb.getInstall().getBindings();
+
+        assertEquals( 1, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-install-plugin", "install", (MojoBinding) mojos.get( 0 ) );
+        assertFalse( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+
+        mojos = bb.getDeploy().getBindings();
+
+        assertEquals( 1, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-deploy-plugin", "deploy", (MojoBinding) mojos.get( 0 ) );
+        assertFalse( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+    }
+
+    public void testParseMappings_MappingsWithTwoBindingsInOnePhase()
+        throws LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = parser.parseMappings( testMapping2, "test-mapping2" );
+
+        BuildBinding bb = bindings.getBuildBinding();
+        assertNotNull( bb );
+
+        //      <phases>
+        //        <package>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</package>
+        //        <install>org.apache.maven.plugins:maven-install-plugin:install</install>
+        //        <deploy>org.apache.maven.plugins:maven-deploy-plugin:deploy</deploy>
+        //      </phases>
+        //      <optional-mojos>
+        //        <optional-mojo>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</optional-mojo>
+        //      </optional-mojos>
+        List mojos = bb.getCreatePackage().getBindings();
+
+        assertEquals( 2, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-site-plugin", "attach-descriptor", (MojoBinding) mojos.get( 0 ) );
+        assertTrue( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+        assertMojo( "org.apache.maven.plugins", "maven-clean-plugin", "clean", (MojoBinding) mojos.get( 1 ) );
+
+        mojos = bb.getInstall().getBindings();
+
+        assertEquals( 1, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-install-plugin", "install", (MojoBinding) mojos.get( 0 ) );
+        assertFalse( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+
+        mojos = bb.getDeploy().getBindings();
+
+        assertEquals( 1, mojos.size() );
+        assertMojo( "org.apache.maven.plugins", "maven-deploy-plugin", "deploy", (MojoBinding) mojos.get( 0 ) );
+        assertFalse( ( (MojoBinding) mojos.get( 0 ) ).isOptional() );
+    }
+
+}

maven-core/src/test/java/org/apache/maven/lifecycle/binding/DefaultLifecycleBindingManagerTest.java

@@ -0,0 +1,362 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.plan.LifecyclePlannerException;
+import org.apache.maven.model.Build;
+import org.apache.maven.model.Model;
+import org.apache.maven.model.Plugin;
+import org.apache.maven.model.PluginExecution;
+import org.apache.maven.model.PluginManagement;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.PlexusTestCase;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Properties;
+
+public class DefaultLifecycleBindingManagerTest
+    extends PlexusTestCase
+{
+
+    private LifecycleBindingManager mgr;
+
+    public void setUp()
+        throws Exception
+    {
+        super.setUp();
+
+        this.mgr = (LifecycleBindingManager) lookup( LifecycleBindingManager.ROLE, "default" );
+    }
+
+    public void testLookup()
+    {
+        assertNotNull( mgr );
+    }
+
+    public void testGetBindingsForPackaging_TestMergePluginConfigToBinding()
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        Model model = new Model();
+        model.setGroupId( "group" );
+        model.setArtifactId( "artifact" );
+        model.setVersion( "1" );
+
+        Build build = new Build();
+        model.setBuild( build );
+
+        Plugin plugin = new Plugin();
+        build.addPlugin( plugin );
+
+        plugin.setGroupId( "org.apache.maven.plugins" );
+        plugin.setArtifactId( "maven-compiler-plugin" );
+
+        Properties pluginConfig = new Properties();
+
+        pluginConfig.setProperty( "test", "value" );
+        pluginConfig.setProperty( "test2", "other-value" );
+
+        plugin.setConfiguration( createConfiguration( pluginConfig ) );
+
+        MavenProject project = new MavenProject( model );
+
+        LifecycleBindings lifecycleBindings = mgr.getBindingsForPackaging( project );
+
+        List bindings = lifecycleBindings.getBuildBinding().getCompile().getBindings();
+
+        assertNotNull( bindings );
+        assertEquals( 1, bindings.size() );
+
+        MojoBinding binding = (MojoBinding) bindings.get( 0 );
+
+        Xpp3Dom config = (Xpp3Dom) binding.getConfiguration();
+
+        assertNotNull( config );
+
+        assertEquals( "value", config.getChild( "test" ).getValue() );
+        assertEquals( "other-value", config.getChild( "test2" ).getValue() );
+    }
+
+    public void testGetBindingsForPackaging_TestMergePluginManagementConfigToBinding()
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        Model model = new Model();
+        model.setGroupId( "group" );
+        model.setArtifactId( "artifact" );
+        model.setVersion( "1" );
+
+        Build build = new Build();
+        model.setBuild( build );
+        
+        PluginManagement plugMgmt = new PluginManagement();
+        build.setPluginManagement( plugMgmt );
+
+        Plugin plugin = new Plugin();
+        plugMgmt.addPlugin( plugin );
+
+        plugin.setGroupId( "org.apache.maven.plugins" );
+        plugin.setArtifactId( "maven-compiler-plugin" );
+
+        Properties pluginConfig = new Properties();
+
+        pluginConfig.setProperty( "test", "value" );
+        pluginConfig.setProperty( "test2", "other-value" );
+
+        plugin.setConfiguration( createConfiguration( pluginConfig ) );
+
+        MavenProject project = new MavenProject( model );
+
+        LifecycleBindings lifecycleBindings = mgr.getBindingsForPackaging( project );
+
+        List bindings = lifecycleBindings.getBuildBinding().getCompile().getBindings();
+
+        assertNotNull( bindings );
+        assertEquals( 1, bindings.size() );
+
+        MojoBinding binding = (MojoBinding) bindings.get( 0 );
+
+        Xpp3Dom config = (Xpp3Dom) binding.getConfiguration();
+
+        assertNotNull( config );
+
+        assertEquals( "value", config.getChild( "test" ).getValue() );
+        assertEquals( "other-value", config.getChild( "test2" ).getValue() );
+    }
+
+    public void testGetProjectCustomBindings_ExecutionConfigShouldOverridePluginConfig()
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        Model model = new Model();
+        model.setGroupId( "group" );
+        model.setArtifactId( "artifact" );
+        model.setVersion( "1" );
+
+        Build build = new Build();
+        model.setBuild( build );
+
+        Plugin plugin = new Plugin();
+        build.addPlugin( plugin );
+
+        plugin.setGroupId( "plugin.group" );
+        plugin.setArtifactId( "plugin-artifact" );
+        plugin.setVersion( "1" );
+
+        Properties pluginConfig = new Properties();
+
+        pluginConfig.setProperty( "test", "value" );
+        pluginConfig.setProperty( "test2", "other-value" );
+
+        plugin.setConfiguration( createConfiguration( pluginConfig ) );
+
+        PluginExecution exec = new PluginExecution();
+        plugin.addExecution( exec );
+
+        exec.setId( "test-execution" );
+        exec.setPhase( "validate" );
+        exec.setGoals( Collections.singletonList( "goal" ) );
+
+        Properties execConfig = new Properties();
+        execConfig.setProperty( "test", "value2" );
+
+        exec.setConfiguration( createConfiguration( execConfig ) );
+
+        MavenProject project = new MavenProject( model );
+
+        LifecycleBindings lifecycleBindings = mgr.getProjectCustomBindings( project );
+
+        List bindings = lifecycleBindings.getBuildBinding().getValidate().getBindings();
+
+        assertNotNull( bindings );
+        assertEquals( 1, bindings.size() );
+
+        MojoBinding binding = (MojoBinding) bindings.get( 0 );
+
+        Xpp3Dom config = (Xpp3Dom) binding.getConfiguration();
+
+        assertEquals( "value2", config.getChild( "test" ).getValue() );
+        assertEquals( "other-value", config.getChild( "test2" ).getValue() );
+    }
+
+    private Object createConfiguration( Properties configProperties )
+    {
+        Xpp3Dom config = new Xpp3Dom( "configuration" );
+        for ( Iterator it = configProperties.keySet().iterator(); it.hasNext(); )
+        {
+            String key = (String) it.next();
+            String value = configProperties.getProperty( key );
+
+            Xpp3Dom child = new Xpp3Dom( key );
+            child.setValue( value );
+
+            config.addChild( child );
+        }
+
+        return config;
+    }
+
+    public void testAssembleMojoBindingList_ReturnBindingsUpToStopPhaseForSinglePhaseTaskList()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( newMojoBinding( "goal", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojoBinding( "goal", "artifact", "clean" ) );
+        bindings.getCleanBinding().getPostClean().addBinding( newMojoBinding( "goal", "artifact", "post-clean" ) );
+
+        List result = mgr.assembleMojoBindingList( Collections.singletonList( "clean" ), bindings, new MavenProject( new Model() ) );
+
+        assertEquals( 2, result.size() );
+
+        MojoBinding binding = (MojoBinding) result.get( 0 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "pre-clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 1 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "clean", binding.getGoal() );
+    }
+
+    public void testAssembleMojoBindingList_CombinePreviousBindingsWhenSubsetOfNextBindingsForTwoPhaseTaskList()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( newMojoBinding( "goal", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojoBinding( "goal", "artifact", "clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojoBinding( "goal", "artifact", "post-clean" ) );
+
+        List tasks = new ArrayList( 2 );
+        tasks.add( "clean" );
+        tasks.add( "post-clean" );
+
+        List result = mgr.assembleMojoBindingList( tasks, bindings, new MavenProject( new Model() ) );
+
+        assertEquals( 3, result.size() );
+
+        MojoBinding binding = (MojoBinding) result.get( 0 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "pre-clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 1 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 2 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "post-clean", binding.getGoal() );
+    }
+
+    public void testAssembleMojoBindingList_IgnoreSuccessiveBindingsWhenSameAsPreviousOnesForTwoPhaseTaskList()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( newMojoBinding( "goal", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojoBinding( "goal", "artifact", "clean" ) );
+
+        List tasks = new ArrayList( 2 );
+        tasks.add( "clean" );
+        tasks.add( "post-clean" );
+
+        List result = mgr.assembleMojoBindingList( tasks, bindings, new MavenProject( new Model() ) );
+
+        assertEquals( 2, result.size() );
+
+        MojoBinding binding = (MojoBinding) result.get( 0 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "pre-clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 1 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "clean", binding.getGoal() );
+    }
+
+    public void testAssembleMojoBindingList_ReturnBindingsUpToStopPhasesForTwoPhaseTaskList()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+
+        bindings.getCleanBinding().getPreClean().addBinding( newMojoBinding( "goal", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojoBinding( "goal", "artifact", "clean" ) );
+        bindings.getCleanBinding().getPostClean().addBinding( newMojoBinding( "goal", "artifact", "post-clean" ) );
+
+        bindings.getBuildBinding().getInitialize().addBinding( newMojoBinding( "goal", "artifact", "initialize" ) );
+        bindings.getBuildBinding().getCompile().addBinding( newMojoBinding( "goal", "artifact", "compile" ) );
+        bindings.getBuildBinding().getCreatePackage().addBinding( newMojoBinding( "goal", "artifact", "package" ) );
+
+        List tasks = new ArrayList( 2 );
+        tasks.add( "clean" );
+        tasks.add( "compile" );
+
+        List result = mgr.assembleMojoBindingList( tasks, bindings, new MavenProject( new Model() ) );
+
+        assertEquals( 4, result.size() );
+
+        MojoBinding binding = (MojoBinding) result.get( 0 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "pre-clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 1 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "clean", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 2 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "initialize", binding.getGoal() );
+
+        binding = (MojoBinding) result.get( 3 );
+
+        assertEquals( "goal", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "compile", binding.getGoal() );
+
+    }
+
+    public void testAssembleMojoBindingList_ThrowErrorForInvalidPhaseNameAsSingletonTaskList()
+        throws LifecyclePlannerException, LifecycleLoaderException
+    {
+        try
+        {
+            mgr.assembleMojoBindingList( Collections.singletonList( "dud" ), new LifecycleBindings(),
+                                         new MavenProject( new Model() ) );
+
+            fail( "Should fail with LifecycleSpecificationException due to invalid phase/direct mojo reference." );
+        }
+        catch ( LifecycleSpecificationException e )
+        {
+            // expected.
+        }
+    }
+
+    private MojoBinding newMojoBinding( String groupId, String artifactId, String goal )
+    {
+        MojoBinding binding = new MojoBinding();
+        binding.setGroupId( groupId );
+        binding.setArtifactId( artifactId );
+        binding.setGoal( goal );
+
+        return binding;
+    }
+}

maven-core/src/test/java/org/apache/maven/lifecycle/binding/DefaultMojoBindingFactoryTest.java

@@ -0,0 +1,83 @@
+package org.apache.maven.lifecycle.binding;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.model.Model;
+import org.apache.maven.project.MavenProject;
+import org.codehaus.plexus.PlexusTestCase;
+
+public class DefaultMojoBindingFactoryTest
+    extends PlexusTestCase
+{
+
+    private MojoBindingFactory factory;
+    
+    public void setUp() throws Exception
+    {
+        super.setUp();
+        
+        factory = (MojoBindingFactory) lookup( MojoBindingFactory.ROLE, "default" );
+    }
+
+    public void testPrefixGoalSpec_PrefixReferenceNotAllowed()
+        throws LifecycleLoaderException
+    {
+        String spec = "prefix:goal";
+
+        try
+        {
+            factory.parseMojoBinding( spec, new MavenProject( new Model() ), false );
+
+            fail( "Should fail when prefix references are not allowed." );
+        }
+        catch ( LifecycleSpecificationException e )
+        {
+            // expected.
+        }
+    }
+
+    public void testGroupIdArtifactIdGoalSpec_ShouldParseCorrectly()
+        throws LifecycleSpecificationException, LifecycleLoaderException
+    {
+        String spec = "group:artifact:goal";
+
+        MojoBinding binding = factory.parseMojoBinding( spec, new MavenProject( new Model() ), false );
+
+        assertEquals( "group", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertNull( binding.getVersion() );
+        assertEquals( "goal", binding.getGoal() );
+    }
+
+    public void testGroupIdArtifactIdVersionGoalSpec_ShouldParseCorrectly()
+        throws LifecycleSpecificationException, LifecycleLoaderException
+    {
+        String spec = "group:artifact:version:goal";
+
+        MojoBinding binding = factory.parseMojoBinding( spec, new MavenProject( new Model() ), false );
+
+        assertEquals( "group", binding.getGroupId() );
+        assertEquals( "artifact", binding.getArtifactId() );
+        assertEquals( "version", binding.getVersion() );
+        assertEquals( "goal", binding.getGoal() );
+    }
+
+    public void testSpecWithTooManyParts_ShouldFail()
+        throws LifecycleLoaderException
+    {
+        String spec = "group:artifact:version:type:goal";
+
+        try
+        {
+            factory.parseMojoBinding( spec, new MavenProject( new Model() ), false );
+
+            fail( "Should fail because spec has too many parts (type part is not allowed)." );
+        }
+        catch ( LifecycleSpecificationException e )
+        {
+            // expected
+        }
+    }
+
+}

maven-core/src/test/java/org/apache/maven/lifecycle/binding/LegacyLifecycleParsingTestComponent.java

@@ -0,0 +1,16 @@
+package org.apache.maven.lifecycle.binding;
+
+import java.util.List;
+
+public class LegacyLifecycleParsingTestComponent
+{
+    
+    public static final String ROLE = LegacyLifecycleParsingTestComponent.class.getName();
+    private List legacyLifecycles;
+    
+    public List getLifecycles()
+    {
+        return legacyLifecycles;
+    }
+
+}

maven-core/src/test/java/org/apache/maven/lifecycle/plan/ForkPlanModifierTest.java

@@ -0,0 +1,197 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+public class ForkPlanModifierTest
+    extends TestCase
+{
+
+    public void testModifyBindings_AddTwoMojosAheadOfCompileMojo()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+
+        List additions = new ArrayList();
+        additions.add( newMojo( "group", "artifact", "clean" ) );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+
+        assertEquals( 1, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target = new ForkPlanModifier( mojo, additions ).modifyBindings( target );
+
+        assertEquals( 6, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.START_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.END_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+        
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(),
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.CLEAR_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+    }
+
+    public void testModifyBindings_AddTwoMojosBetweenTwoExistingCompileMojos()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+        MojoBinding mojo2 = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile2" );
+
+        List additions = new ArrayList();
+        additions.add( newMojo( "group", "artifact", "clean" ) );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+        target.getBuildBinding().getCompile().addBinding( mojo2 );
+
+        assertEquals( 2, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target = new ForkPlanModifier( mojo2, additions ).modifyBindings( target );
+
+        assertEquals( 7, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(),
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.START_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.END_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+        
+        assertMojo( mojo2.getGroupId(), mojo2.getArtifactId(), mojo2.getGoal(),
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.CLEAR_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+    }
+
+    public void testModifyBindings_AddTwoNormalPlusTwoModifierModifiedMojosWithTwoExistingCompileMojos()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+        MojoBinding mojo2 = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile2" );
+
+        List modAdditions = new ArrayList();
+        modAdditions.add( newMojo( "group2", "artifact", "clean" ) );
+        modAdditions.add( newMojo( "group2", "artifact", "compile" ) );
+
+        MojoBinding mojo3 = newMojo( "group", "artifact", "clean" );
+
+        List additions = new ArrayList();
+        additions.add( mojo3 );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+        target.getBuildBinding().getCompile().addBinding( mojo2 );
+
+        assertEquals( 2, target.getBuildBinding().getCompile().getBindings().size() );
+
+        BuildPlanModifier modder = new ForkPlanModifier( mojo, additions );
+        modder.addModifier( new ForkPlanModifier( mojo3, modAdditions ) );
+
+        target = modder.modifyBindings( target );
+
+        assertEquals( 12, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.START_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.START_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+
+        assertMojo( "group2", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group2", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.END_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+        
+        assertMojo( mojo3.getGroupId(), mojo3.getArtifactId(), mojo3.getGoal(),
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.CLEAR_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.END_FORKED_EXECUTION_GOAL,
+                    (MojoBinding) it.next() );
+        
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(),
+                    (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.CLEAR_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+        assertMojo( mojo2.getGroupId(), mojo2.getArtifactId(), mojo2.getGoal(),
+                    (MojoBinding) it.next() );
+
+    }
+
+    private void assertMojo( String groupId, String artifactId, String goal, MojoBinding binding )
+    {
+        assertEquals( groupId, binding.getGroupId() );
+        assertEquals( artifactId, binding.getArtifactId() );
+        assertEquals( goal, binding.getGoal() );
+    }
+
+    private MojoBinding newMojo( String groupId, String artifactId, String goal )
+    {
+        MojoBinding binding = new MojoBinding();
+        binding.setGroupId( groupId );
+        binding.setArtifactId( artifactId );
+        binding.setGoal( goal );
+
+        return binding;
+    }
+}

maven-core/src/test/java/org/apache/maven/lifecycle/plan/LifecycleBuildPlanTest.java

@@ -0,0 +1,122 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.LifecycleLoaderException;
+import org.apache.maven.lifecycle.LifecycleSpecificationException;
+import org.apache.maven.lifecycle.binding.LifecycleBindingManager;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.statemgmt.StateManagementUtils;
+import org.codehaus.plexus.PlexusTestCase;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+
+public class LifecycleBuildPlanTest
+    extends PlexusTestCase
+{
+
+    private LifecycleBindingManager bindingManager;
+
+    public void setUp()
+        throws Exception
+    {
+        super.setUp();
+
+        bindingManager = (LifecycleBindingManager) lookup( LifecycleBindingManager.ROLE, "default" );
+    }
+
+    public void testSingleTask_TwoMojoBindings()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( newMojo( "group", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojo( "group", "artifact", "clean" ) );
+
+        List plan = new LifecycleBuildPlan( Collections.singletonList( "clean" ), bindings ).getPlanMojoBindings( null,
+                                                                                                                  bindingManager );
+
+        assertEquals( 2, plan.size() );
+        assertMojo( "group", "artifact", "pre-clean", (MojoBinding) plan.get( 0 ) );
+        assertMojo( "group", "artifact", "clean", (MojoBinding) plan.get( 1 ) );
+    }
+
+    public void testTwoAdditiveTasksInOrder_ThreeMojoBindings_NoDupes()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( newMojo( "group", "artifact", "pre-clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojo( "group", "artifact", "clean" ) );
+        bindings.getCleanBinding().getClean().addBinding( newMojo( "group", "artifact", "post-clean" ) );
+
+        List tasks = new ArrayList();
+        tasks.add( "clean" );
+        tasks.add( "post-clean" );
+
+        List plan = new LifecycleBuildPlan( tasks, bindings ).getPlanMojoBindings( null, bindingManager );
+
+        assertEquals( 3, plan.size() );
+        assertMojo( "group", "artifact", "pre-clean", (MojoBinding) plan.get( 0 ) );
+        assertMojo( "group", "artifact", "clean", (MojoBinding) plan.get( 1 ) );
+        assertMojo( "group", "artifact", "post-clean", (MojoBinding) plan.get( 2 ) );
+    }
+
+    public void testTwoAdditiveTasksInOrder_TwoMojoBindings_OneMojoModifierInsertedBetween_NoDupes()
+        throws LifecycleSpecificationException, LifecyclePlannerException, LifecycleLoaderException
+    {
+        MojoBinding clean = newMojo( "group", "artifact", "clean" );
+
+        List mods = Collections.singletonList( newMojo( "group", "artifact", "pre-clean" ) );
+
+        BuildPlanModifier modder = new ForkPlanModifier( clean, mods );
+
+        LifecycleBindings bindings = new LifecycleBindings();
+        bindings.getCleanBinding().getPreClean().addBinding( clean );
+        bindings.getCleanBinding().getClean().addBinding( newMojo( "group", "artifact", "post-clean" ) );
+
+        List tasks = new ArrayList();
+        tasks.add( "clean" );
+        tasks.add( "post-clean" );
+
+        BuildPlan lifecyclePlan = new LifecycleBuildPlan( tasks, bindings );
+        lifecyclePlan.addModifier( modder );
+
+        List plan = lifecyclePlan.getPlanMojoBindings( null, bindingManager );
+
+        assertEquals( 6, plan.size() );
+        Iterator it = plan.iterator();
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.START_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "pre-clean", (MojoBinding) it.next() );
+        
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.END_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( StateManagementUtils.GROUP_ID, StateManagementUtils.ARTIFACT_ID,
+                    StateManagementUtils.CLEAR_FORKED_EXECUTION_GOAL, (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "post-clean", (MojoBinding) it.next() );
+    }
+
+    private void assertMojo( String groupId, String artifactId, String goal, MojoBinding binding )
+    {
+        assertEquals( groupId, binding.getGroupId() );
+        assertEquals( artifactId, binding.getArtifactId() );
+        assertEquals( goal, binding.getGoal() );
+    }
+
+    private MojoBinding newMojo( String groupId, String artifactId, String goal )
+    {
+        MojoBinding binding = new MojoBinding();
+        binding.setGroupId( groupId );
+        binding.setArtifactId( artifactId );
+        binding.setGoal( goal );
+
+        return binding;
+    }
+}

maven-core/src/test/java/org/apache/maven/lifecycle/plan/ReportingPlanModifierTest.java

@@ -0,0 +1,146 @@
+package org.apache.maven.lifecycle.plan;
+
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import junit.framework.TestCase;
+
+public class ReportingPlanModifierTest
+    extends TestCase
+{
+
+    public void testModifyBindings_AddTwoMojosAheadOfCompileMojo()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+
+        List additions = new ArrayList();
+        additions.add( newMojo( "group", "artifact", "clean" ) );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+
+        assertEquals( 1, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target = new ReportingPlanModifier( mojo, additions ).modifyBindings( target );
+
+        assertEquals( 3, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( "group", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(), (MojoBinding) it.next() );
+    }
+
+    public void testModifyBindings_AddTwoMojosBetweenTwoExistingCompileMojos()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+        MojoBinding mojo2 = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile2" );
+
+        List additions = new ArrayList();
+        additions.add( newMojo( "group", "artifact", "clean" ) );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+        target.getBuildBinding().getCompile().addBinding( mojo2 );
+
+        assertEquals( 2, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target = new ReportingPlanModifier( mojo2, additions ).modifyBindings( target );
+
+        assertEquals( 4, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(), (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( mojo2.getGroupId(), mojo2.getArtifactId(), mojo2.getGoal(), (MojoBinding) it.next() );
+
+    }
+
+    public void testModifyBindings_AddTwoNormalPlusTwoModifierModifiedMojosWithTwoExistingCompileMojos()
+        throws LifecyclePlannerException
+    {
+        MojoBinding mojo = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile" );
+        MojoBinding mojo2 = newMojo( "org.apache.maven.plugins", "maven-compiler-plugin", "compile2" );
+
+        List modAdditions = new ArrayList();
+        modAdditions.add( newMojo( "group2", "artifact", "clean" ) );
+        modAdditions.add( newMojo( "group2", "artifact", "compile" ) );
+
+        MojoBinding mojo3 = newMojo( "group", "artifact", "clean" );
+
+        List additions = new ArrayList();
+        additions.add( mojo3 );
+        additions.add( newMojo( "group", "artifact", "compile" ) );
+
+        LifecycleBindings target = new LifecycleBindings();
+
+        assertEquals( 0, target.getBuildBinding().getCompile().getBindings().size() );
+
+        target.getBuildBinding().getCompile().addBinding( mojo );
+        target.getBuildBinding().getCompile().addBinding( mojo2 );
+
+        assertEquals( 2, target.getBuildBinding().getCompile().getBindings().size() );
+
+        BuildPlanModifier modder = new ReportingPlanModifier( mojo, additions );
+        modder.addModifier( new ReportingPlanModifier( mojo3, modAdditions ) );
+
+        target = modder.modifyBindings( target );
+
+        assertEquals( 6, target.getBuildBinding().getCompile().getBindings().size() );
+
+        Iterator it = target.getBuildBinding().getCompile().getBindings().iterator();
+        
+        assertMojo( "group2", "artifact", "clean", (MojoBinding) it.next() );
+
+        assertMojo( "group2", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( mojo3.getGroupId(), mojo3.getArtifactId(), mojo3.getGoal(), (MojoBinding) it.next() );
+
+        assertMojo( "group", "artifact", "compile", (MojoBinding) it.next() );
+
+        assertMojo( mojo.getGroupId(), mojo.getArtifactId(), mojo.getGoal(), (MojoBinding) it.next() );
+
+        assertMojo( mojo2.getGroupId(), mojo2.getArtifactId(), mojo2.getGoal(), (MojoBinding) it.next() );
+
+    }
+
+    private void assertMojo( String groupId, String artifactId, String goal, MojoBinding binding )
+    {
+        assertEquals( groupId, binding.getGroupId() );
+        assertEquals( artifactId, binding.getArtifactId() );
+        assertEquals( goal, binding.getGoal() );
+    }
+
+    private MojoBinding newMojo( String groupId, String artifactId, String goal )
+    {
+        MojoBinding binding = new MojoBinding();
+        binding.setGroupId( groupId );
+        binding.setArtifactId( artifactId );
+        binding.setGoal( goal );
+
+        return binding;
+    }
+
+}

maven-core/src/test/resources/META-INF/maven/org.apache.maven/maven-core/pom.properties

@@ -0,0 +1 @@
+version=2.1-SNAPSHOT

maven-core/src/test/resources/META-INF/plexus/components.xml

@@ -0,0 +1,112 @@
+<component-set>
+  <components>
+    <component>
+      <role>org.apache.maven.lifecycle.binding.LegacyLifecycleParsingTestComponent</role>
+      <role-hint>default</role-hint>
+      <implementation>org.apache.maven.lifecycle.binding.LegacyLifecycleParsingTestComponent</implementation>
+      <configuration>
+        <legacyLifecycles>
+          <legacyLifecycle>
+            <id>default</id>
+            <phases>
+              <phase>validate</phase>
+              <phase>initialize</phase>
+              <phase>generate-sources</phase>
+              <phase>process-sources</phase>
+              <phase>generate-resources</phase>
+              <phase>process-resources</phase>
+              <phase>compile</phase>
+              <phase>process-classes</phase>
+              <phase>generate-test-sources</phase>
+              <phase>process-test-sources</phase>
+              <phase>generate-test-resources</phase>
+              <phase>process-test-resources</phase>
+              <phase>test-compile</phase>
+              <phase>process-test-classes</phase>
+              <phase>test</phase>
+              <phase>prepare-package</phase>
+              <phase>package</phase>
+              <phase>pre-integration-test</phase>
+              <phase>integration-test</phase>
+              <phase>post-integration-test</phase>
+              <phase>verify</phase>
+              <phase>install</phase>
+              <phase>deploy</phase>
+            </phases>
+          </legacyLifecycle>
+          <legacyLifecycle>
+            <id>clean</id>
+            <phases>
+              <phase>pre-clean</phase>
+              <phase>clean</phase>
+              <phase>post-clean</phase>
+            </phases>
+            <default-phases>
+              <clean>org.apache.maven.plugins:maven-clean-plugin:clean</clean>
+            </default-phases>
+          </legacyLifecycle>
+          <legacyLifecycle>
+            <id>site</id>
+            <phases>
+              <phase>pre-site</phase>
+              <phase>site</phase>
+              <phase>post-site</phase>
+              <phase>site-deploy</phase>
+            </phases>
+            <default-phases>
+              <site>org.apache.maven.plugins:maven-site-plugin:site</site>
+              <site-deploy>org.apache.maven.plugins:maven-site-plugin:deploy</site-deploy>
+            </default-phases>
+          </legacyLifecycle>
+        </legacyLifecycles>
+      </configuration>
+    </component>
+    <component>
+      <role>org.apache.maven.lifecycle.mapping.LifecycleMapping</role>
+      <role-hint>test-mapping</role-hint>
+      <implementation>org.apache.maven.lifecycle.mapping.DefaultLifecycleMapping</implementation>
+      <configuration>
+        <lifecycles>
+          <lifecycle>
+            <id>default</id>
+            <!-- START SNIPPET: pom-lifecycle -->
+            <phases>
+              <package>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</package>
+              <install>org.apache.maven.plugins:maven-install-plugin:install</install>
+              <deploy>org.apache.maven.plugins:maven-deploy-plugin:deploy</deploy>
+            </phases>
+            <optional-mojos>
+              <optional-mojo>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</optional-mojo>
+            </optional-mojos>
+            <!-- END SNIPPET: pom-lifecycle -->
+          </lifecycle>
+        </lifecycles>
+      </configuration>
+    </component>
+    <component>
+      <role>org.apache.maven.lifecycle.mapping.LifecycleMapping</role>
+      <role-hint>test-mapping2</role-hint>
+      <implementation>org.apache.maven.lifecycle.mapping.DefaultLifecycleMapping</implementation>
+      <configuration>
+        <lifecycles>
+          <lifecycle>
+            <id>default</id>
+            <!-- START SNIPPET: pom-lifecycle -->
+            <phases>
+              <package>
+                org.apache.maven.plugins:maven-site-plugin:attach-descriptor,
+                org.apache.maven.plugins:maven-clean-plugin:clean
+              </package>
+              <install>org.apache.maven.plugins:maven-install-plugin:install</install>
+              <deploy>org.apache.maven.plugins:maven-deploy-plugin:deploy</deploy>
+            </phases>
+            <optional-mojos>
+              <optional-mojo>org.apache.maven.plugins:maven-site-plugin:attach-descriptor</optional-mojo>
+            </optional-mojos>
+            <!-- END SNIPPET: pom-lifecycle -->
+          </lifecycle>
+        </lifecycles>
+      </configuration>
+    </component>
+  </components>
+</component-set>

maven-embedder/src/main/java/org/apache/maven/embedder/MavenEmbedder.java

@@ -41,7 +41,7 @@
 import org.apache.maven.execution.MavenExecutionRequest;
 import org.apache.maven.execution.MavenExecutionResult;
 import org.apache.maven.execution.MavenSession;
-import org.apache.maven.lifecycle.LifecycleExecutor;
+import org.apache.maven.lifecycle.LifecycleUtils;
 import org.apache.maven.model.Model;
 import org.apache.maven.model.Plugin;
 import org.apache.maven.model.io.jdom.MavenJDOMWriter;
@@ -67,17 +67,15 @@
 import org.apache.maven.settings.validation.SettingsValidator;
 import org.codehaus.plexus.DefaultPlexusContainer;
 import org.codehaus.plexus.MutablePlexusContainer;
-import org.codehaus.plexus.PlexusContainerException;
 import org.codehaus.plexus.PlexusContainer;
+import org.codehaus.plexus.PlexusContainerException;
 import org.codehaus.plexus.classworlds.ClassWorld;
 import org.codehaus.plexus.classworlds.realm.ClassRealm;
 import org.codehaus.plexus.classworlds.realm.DuplicateRealmException;
 import org.codehaus.plexus.classworlds.realm.NoSuchRealmException;
-import org.codehaus.plexus.component.repository.ComponentDescriptor;
 import org.codehaus.plexus.component.repository.exception.ComponentLifecycleException;
 import org.codehaus.plexus.component.repository.exception.ComponentLookupException;
 import org.codehaus.plexus.component.repository.exception.ComponentRepositoryException;
-import org.codehaus.plexus.configuration.PlexusConfiguration;
 import org.codehaus.plexus.configuration.PlexusConfigurationException;
 import org.codehaus.plexus.logging.LoggerManager;
 import org.codehaus.plexus.util.StringUtils;
@@ -94,13 +92,11 @@
 import java.io.Reader;
 import java.io.Writer;
 import java.net.URL;
-import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
-import java.util.Arrays;
 
 /**
  * Class intended to be used by clients who wish to embed Maven into their applications
@@ -489,34 +485,37 @@ public ArtifactHandler getArtifactHandler( Artifact artifact )
     // Execution of phases/goals
     // ----------------------------------------------------------------------
     // ----------------------------------------------------------------------
-    // Lifecycle information
+    // LegacyLifecycle information
     // ----------------------------------------------------------------------
 
     public List getLifecyclePhases()
-        throws MavenEmbedderException
     {
-        List phases = new ArrayList();
+        return getBuildLifecyclePhases();
+    }
+    
+    public List getAllLifecyclePhases()
+    {
+        return LifecycleUtils.getValidPhaseNames();
+    }
+    
+    public List getDefaultLifecyclePhases()
+    {
+        return getBuildLifecyclePhases();
+    }
+    
+    public List getBuildLifecyclePhases()
+    {
+        return LifecycleUtils.getValidBuildPhaseNames();
+    }
 
-        ComponentDescriptor descriptor = container.getComponentDescriptor( LifecycleExecutor.ROLE );
+    public List getCleanLifecyclePhases()
+    {
+        return LifecycleUtils.getValidCleanPhaseNames();
+    }
 
-        PlexusConfiguration configuration = descriptor.getConfiguration();
-
-        PlexusConfiguration[] phasesConfigurations =
-            configuration.getChild( "lifecycles" ).getChild( 0 ).getChild( "phases" ).getChildren( "phase" );
-
-        try
-        {
-            for ( int i = 0; i < phasesConfigurations.length; i++ )
-            {
-                phases.add( phasesConfigurations[i].getValue() );
-            }
-        }
-        catch ( PlexusConfigurationException e )
-        {
-            throw new MavenEmbedderException( "Cannot retrieve default lifecycle phasesConfigurations.", e );
-        }
-
-        return phases;
+    public List getSiteLifecyclePhases()
+    {
+        return LifecycleUtils.getValidSitePhaseNames();
     }
 
     // ----------------------------------------------------------------------
@@ -524,7 +523,7 @@ public List getLifecyclePhases()
     // ----------------------------------------------------------------------
 
     // ----------------------------------------------------------------------
-    //  Lifecycle
+    //  LegacyLifecycle
     // ----------------------------------------------------------------------
 
     private void start( Configuration configuration )
@@ -645,7 +644,7 @@ private void start( Configuration configuration )
     }
 
     // ----------------------------------------------------------------------
-    // Lifecycle
+    // LegacyLifecycle
     // ----------------------------------------------------------------------
 
     private void handleExtensions( List extensions )

maven-embedder/src/main/java/org/apache/maven/embedder/execution/DefaultMavenExecutionRequestDefaultsPopulator.java

@@ -202,7 +202,7 @@ private void resolveParameters( Settings settings )
     }
 
     // ----------------------------------------------------------------------------
-    // Lifecycle
+    // LegacyLifecycle
     // ----------------------------------------------------------------------------
 
     public void contextualize( Context context )

maven-embedder/src/test/java/org/apache/maven/embedder/AbstractEmbedderExecutionTestCase.java

@@ -26,6 +26,7 @@
 
 import java.io.File;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Properties;
@@ -36,20 +37,20 @@ public abstract class AbstractEmbedderExecutionTestCase
     protected File runWithProject( String goal )
         throws Exception
     {
-        return runWithProject( goal, null );
+        return runWithProject( Collections.singletonList( goal ), null );
     }
 
     protected File runWithProject( String goal,
                                    Properties properties )
         throws Exception
     {
-        return runWithProject( new String[]{goal}, properties );
+        return runWithProject( Collections.singletonList( goal ), properties );
     }
 
     protected File runWithProject( String[] goals )
         throws Exception
     {
-        return runWithProject( goals, null );
+        return runWithProject( Arrays.asList( goals ), null );
     }
 
     protected File runWithProject( String[] goals,
@@ -83,6 +84,8 @@ protected File runWithProject( List goals,
         FileUtils.copyDirectoryStructure( testDirectory, targetDirectory );
 
         MavenExecutionRequest request = new DefaultMavenExecutionRequest()
+            .setShowErrors( true )
+            .setLoggingLevel( MavenExecutionRequest.LOGGING_LEVEL_DEBUG )
             .setBaseDirectory( targetDirectory )
             .setGoals( goals );
 

maven-embedder/src/test/java/org/apache/maven/embedder/MavenEmbedderTest.java

@@ -63,6 +63,11 @@ protected void setUp()
         super.setUp();
 
         basedir = System.getProperty( "basedir" );
+        
+        if ( basedir == null )
+        {
+            basedir = new File( "." ).getCanonicalPath();
+        }
 
         ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
 
@@ -202,7 +207,7 @@ public void testExecutionUsingAProfileWhichSetsAProperty()
     }
 
     // ----------------------------------------------------------------------
-    // Lifecycle phases
+    // LegacyLifecycle phases
     // ----------------------------------------------------------------------
 
     public void testRetrievingLifecyclePhases()

maven-lifecycle/pom.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0"?><project>
+  <parent>
+    <artifactId>maven</artifactId>
+    <groupId>org.apache.maven</groupId>
+    <version>2.1-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>maven-lifecycle</artifactId>
+  <name>Maven Lifecycle Model</name>
+  
+  <dependencies>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-component-api</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-container-default</artifactId>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
+    </dependency>
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.codehaus.modello</groupId>
+        <artifactId>modello-maven-plugin</artifactId>
+        <configuration>
+          <version>1.0.0</version>
+          <model>src/main/mdo/maven-lifecycle.mdo</model>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/ClassLoaderXmlBindingLoader.java

@@ -0,0 +1,84 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.io.xpp3.LifecycleBindingsXpp3Reader;
+import org.codehaus.plexus.util.xml.pull.XmlPullParserException;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.URL;
+
+/**
+ * @author jdcasey
+ */
+public class ClassLoaderXmlBindingLoader
+    implements LifecycleBindingLoader
+{
+
+    // configuration.
+    private String path;
+    
+    public ClassLoaderXmlBindingLoader()
+    {
+        // for plexus init.
+    }
+    
+    public ClassLoaderXmlBindingLoader( String path )
+    {
+        this.path = path;
+    }
+
+    public LifecycleBindings getBindings()
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        ClassLoader loader = Thread.currentThread().getContextClassLoader();
+        URL url = loader.getResource( getPath() );
+
+        if ( url == null )
+        {
+            throw new LifecycleLoaderException( "Classpath resource: " + getPath() + " could not be found." );
+        }
+
+        InputStreamReader reader;
+        try
+        {
+            reader = new InputStreamReader( url.openStream() );
+        }
+        catch ( IOException e )
+        {
+            throw new LifecycleLoaderException( "Failed to open stream for classpath resource: " + getPath() + ". Reason: "
+                + e.getMessage(), e );
+        }
+
+        LifecycleBindings bindings;
+        try
+        {
+            bindings = new LifecycleBindingsXpp3Reader().read( reader );
+        }
+        catch ( IOException e )
+        {
+            throw new LifecycleLoaderException( "Classpath resource: " + getPath() + " could not be read. Reason: "
+                + e.getMessage(), e );
+        }
+        catch ( XmlPullParserException e )
+        {
+            throw new LifecycleLoaderException( "Classpath resource: " + getPath() + " could not be parsed. Reason: "
+                + e.getMessage(), e );
+        }
+        
+        LifecycleUtils.setOrigin( bindings, url.toExternalForm() );
+        
+        return bindings;
+    }
+
+    public String getPath()
+    {
+        return path;
+    }
+
+    public void setPath( String path )
+    {
+        this.path = path;
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/LifecycleBindingLoader.java

@@ -0,0 +1,13 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+
+public interface LifecycleBindingLoader
+{
+    
+    String ROLE = LifecycleBindingLoader.class.getName();
+
+    LifecycleBindings getBindings()
+        throws LifecycleLoaderException, LifecycleSpecificationException;
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/LifecycleException.java

@@ -0,0 +1,17 @@
+package org.apache.maven.lifecycle;
+
+public class LifecycleException
+    extends Exception
+{
+
+    public LifecycleException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleException( String message )
+    {
+        super( message );
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/LifecycleLoaderException.java

@@ -0,0 +1,17 @@
+package org.apache.maven.lifecycle;
+
+public class LifecycleLoaderException
+    extends LifecycleException
+{
+
+    public LifecycleLoaderException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleLoaderException( String message )
+    {
+        super( message );
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/LifecycleSpecificationException.java

@@ -0,0 +1,17 @@
+package org.apache.maven.lifecycle;
+
+public class LifecycleSpecificationException
+    extends LifecycleException
+{
+
+    public LifecycleSpecificationException( String message, Throwable cause )
+    {
+        super( message, cause );
+    }
+
+    public LifecycleSpecificationException( String message )
+    {
+        super( message );
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/LifecycleUtils.java

@@ -0,0 +1,671 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.model.BuildBinding;
+import org.apache.maven.lifecycle.model.CleanBinding;
+import org.apache.maven.lifecycle.model.LifecycleBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+import org.apache.maven.lifecycle.model.SiteBinding;
+import org.codehaus.plexus.util.xml.Xpp3Dom;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+public class LifecycleUtils
+{
+
+    private LifecycleUtils()
+    {
+    }
+
+    public static void setOrigin( LifecycleBindings bindings, String origin )
+    {
+        for ( Iterator bindingIt = bindings.getBindingList().iterator(); bindingIt.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) bindingIt.next();
+
+            if ( binding == null )
+            {
+                continue;
+            }
+
+            for ( Iterator phaseIt = binding.getPhasesInOrder().iterator(); phaseIt.hasNext(); )
+            {
+                Phase phase = (Phase) phaseIt.next();
+
+                if ( phase == null )
+                {
+                    continue;
+                }
+
+                for ( Iterator mojoIt = phase.getBindings().iterator(); mojoIt.hasNext(); )
+                {
+                    MojoBinding mojoBinding = (MojoBinding) mojoIt.next();
+
+                    mojoBinding.setOrigin( origin );
+                }
+            }
+        }
+    }
+
+    public static List getMojoBindingListForLifecycle( String stopPhase, LifecycleBindings bindings )
+        throws NoSuchPhaseException
+    {
+        LifecycleBinding binding = findLifecycleBindingForPhase( stopPhase, bindings );
+
+        if ( binding == null )
+        {
+            throw new NoSuchPhaseException( stopPhase, "Phase not found in any lifecycle." );
+        }
+
+        return getMojoBindingListForLifecycle( stopPhase, binding );
+    }
+
+    public static List getMojoBindingListForLifecycle( String stopPhase, LifecycleBinding lifecycle )
+        throws NoSuchPhaseException
+    {
+        List phaseNames = lifecycle.getPhaseNamesInOrder();
+
+        int idx = phaseNames.indexOf( stopPhase );
+
+        if ( idx < 0 )
+        {
+            throw new NoSuchPhaseException( stopPhase, "Phase not found in lifecycle: " + lifecycle.getId() );
+        }
+
+        List phases = lifecycle.getPhasesInOrder();
+
+        List bindings = new ArrayList();
+        for ( int i = 0; i <= idx; i++ )
+        {
+            Phase phase = (Phase) phases.get( i );
+            List phaseBindings = phase.getBindings();
+
+            if ( phaseBindings != null && !phaseBindings.isEmpty() )
+            {
+                bindings.addAll( phaseBindings );
+            }
+        }
+
+        return bindings;
+    }
+
+    /**
+     * @return null if the phase is not contained in any of the lifecycles.
+     */
+    public static LifecycleBinding findLifecycleBindingForPhase( String phaseName, LifecycleBindings lifecycles )
+    {
+        List lifecyclesAvailable = lifecycles.getBindingList();
+
+        for ( Iterator it = lifecyclesAvailable.iterator(); it.hasNext(); )
+        {
+            LifecycleBinding lifecycle = (LifecycleBinding) it.next();
+
+            if ( lifecycle.getPhaseNamesInOrder().indexOf( phaseName ) > -1 )
+            {
+                return lifecycle;
+            }
+        }
+
+        return null;
+    }
+
+    public static void removeMojoBinding( String phaseName, MojoBinding mojoBinding, LifecycleBinding lifecycleBinding,
+                                          boolean considerExecutionId )
+        throws NoSuchPhaseException
+    {
+        List phaseNames = lifecycleBinding.getPhaseNamesInOrder();
+
+        int idx = phaseNames.indexOf( phaseName );
+
+        if ( idx < 0 )
+        {
+            throw new NoSuchPhaseException( phaseName, "Phase: " + phaseName + " not found in lifecycle: "
+                + lifecycleBinding.getId() );
+        }
+
+        List phases = lifecycleBinding.getPhasesInOrder();
+
+        Phase phase = (Phase) phases.get( idx );
+
+        if ( phase != null )
+        {
+            List mojoBindings = phase.getBindings();
+
+            String targetKey = createMojoBindingKey( mojoBinding, considerExecutionId );
+
+            for ( Iterator it = mojoBindings.iterator(); it.hasNext(); )
+            {
+                MojoBinding candidate = (MojoBinding) it.next();
+
+                String candidateKey = createMojoBindingKey( candidate, considerExecutionId );
+                if ( candidateKey.equals( targetKey ) )
+                {
+                    it.remove();
+                }
+            }
+
+            phase.setBindings( mojoBindings );
+        }
+    }
+
+    public static void addMojoBinding( String phaseName, MojoBinding mojoBinding, LifecycleBinding lifecycleBinding )
+        throws NoSuchPhaseException
+    {
+        List phaseNames = lifecycleBinding.getPhaseNamesInOrder();
+
+        int idx = phaseNames.indexOf( phaseName );
+
+        if ( idx < 0 )
+        {
+            throw new NoSuchPhaseException( phaseName, "Phase: " + phaseName + " not found in lifecycle: "
+                + lifecycleBinding.getId() );
+        }
+
+        List phases = lifecycleBinding.getPhasesInOrder();
+
+        Phase phase = (Phase) phases.get( idx );
+        phase.addBinding( mojoBinding );
+    }
+
+    public static void addMojoBinding( String phaseName, MojoBinding mojo, LifecycleBindings bindings )
+        throws LifecycleSpecificationException
+    {
+        LifecycleBinding binding = findLifecycleBindingForPhase( phaseName, bindings );
+
+        if ( binding == null )
+        {
+            throw new NoSuchPhaseException( phaseName, "Phase not found in any lifecycle: " + phaseName );
+        }
+
+        addMojoBinding( phaseName, mojo, binding );
+    }
+
+    public static LifecycleBindings mergeBindings( LifecycleBindings existingBindings, LifecycleBindings newBindings,
+                                                   LifecycleBindings defaultBindings, boolean mergeConfigIfExecutionIdMatches )
+    {
+        return mergeBindings( existingBindings, newBindings, defaultBindings, mergeConfigIfExecutionIdMatches, false );
+    }
+
+    public static LifecycleBindings mergeBindings( LifecycleBindings existingBindings, LifecycleBindings newBindings,
+                                                   LifecycleBindings defaultBindings, boolean mergeConfigIfExecutionIdMatches,
+                                                   boolean reverseConfigMergeDirection )
+    {
+        LifecycleBindings result = new LifecycleBindings();
+        result.setPackaging( newBindings.getPackaging() );
+
+        CleanBinding cb = (CleanBinding) cloneBinding( existingBindings.getCleanBinding() );
+        if ( defaultBindings != null && isNullOrEmpty( cb ) )
+        {
+            cb = (CleanBinding) cloneBinding( defaultBindings.getCleanBinding() );
+        }
+
+        if ( cb == null )
+        {
+            cb = new CleanBinding();
+        }
+
+        result.setCleanBinding( cb );
+
+        BuildBinding bb = (BuildBinding) cloneBinding( existingBindings.getBuildBinding() );
+        if ( defaultBindings != null && isNullOrEmpty( bb ) )
+        {
+            bb = (BuildBinding) cloneBinding( defaultBindings.getBuildBinding() );
+        }
+
+        if ( bb == null )
+        {
+            bb = new BuildBinding();
+        }
+
+        result.setBuildBinding( bb );
+
+        SiteBinding sb = (SiteBinding) cloneBinding( existingBindings.getSiteBinding() );
+        if ( defaultBindings != null && isNullOrEmpty( sb ) )
+        {
+            sb = (SiteBinding) cloneBinding( defaultBindings.getSiteBinding() );
+        }
+
+        if ( sb == null )
+        {
+            sb = new SiteBinding();
+        }
+
+        result.setSiteBinding( sb );
+
+        for ( Iterator bindingIt = newBindings.getBindingList().iterator(); bindingIt.hasNext(); )
+        {
+            LifecycleBinding lifecycleBinding = (LifecycleBinding) bindingIt.next();
+
+            if ( lifecycleBinding != null )
+            {
+                List phaseNames = lifecycleBinding.getPhaseNamesInOrder();
+                List phases = lifecycleBinding.getPhasesInOrder();
+
+                for ( int i = 0; i < phases.size(); i++ )
+                {
+                    Phase phase = (Phase) phases.get( i );
+                    String name = (String) phaseNames.get( i );
+
+                    if ( phase != null && phase.getBindings() != null && !phase.getBindings().isEmpty() )
+                    {
+                        for ( Iterator phaseIt = phase.getBindings().iterator(); phaseIt.hasNext(); )
+                        {
+                            MojoBinding mojoBinding = (MojoBinding) phaseIt.next();
+
+                            mojoBinding = cloneMojoBinding( mojoBinding );
+
+                            if ( mergeConfigIfExecutionIdMatches )
+                            {
+                                MojoBinding matchingBinding = findMatchingMojoBinding( mojoBinding, existingBindings, true );
+
+                                if ( matchingBinding != null )
+                                {
+                                    Xpp3Dom existingConfig = new Xpp3Dom( (Xpp3Dom) matchingBinding.getConfiguration() );
+                                    
+                                    Xpp3Dom configuration;
+                                    if ( reverseConfigMergeDirection )
+                                    {
+                                        configuration = Xpp3Dom.mergeXpp3Dom( existingConfig, (Xpp3Dom) mojoBinding.getConfiguration() );
+                                    }
+                                    else
+                                    {
+                                        configuration = Xpp3Dom.mergeXpp3Dom( (Xpp3Dom) mojoBinding.getConfiguration(), existingConfig );
+                                    }
+
+                                    mojoBinding.setConfiguration( configuration );
+                                    
+                                    if ( mojoBinding.getOrigin() == null && matchingBinding.getOrigin() != null )
+                                    {
+                                        mojoBinding.setOrigin( matchingBinding.getOrigin() );
+                                    }
+                                    
+                                    LifecycleBinding resultBinding = findLifecycleBindingForPhase( name, result );
+                                    
+                                    try
+                                    {
+                                        removeMojoBinding( name, matchingBinding, resultBinding, true );
+                                    }
+                                    catch ( NoSuchPhaseException e )
+                                    {
+                                        IllegalStateException error = new IllegalStateException(
+                                                                                                 e.getMessage()
+                                                                                                     + "\nSomething strange is going on. Merging should not encounter such inconsistencies." );
+
+                                        error.initCause( e );
+
+                                        throw error;
+                                    }
+                                }
+                            }
+
+                            try
+                            {
+                                addMojoBinding( name, mojoBinding, result );
+                            }
+                            catch ( LifecycleSpecificationException e )
+                            {
+                                // NOTE: this shouldn't happen as long as normal components are used
+                                // to create/read these LifecycleBindings instances.
+                                IllegalArgumentException error = new IllegalArgumentException(
+                                                                                               "Project bindings are invalid. Reason: "
+                                                                                                   + e.getMessage() );
+
+                                error.initCause( e );
+
+                                throw error;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+
+        return result;
+    }
+
+    private static boolean isNullOrEmpty( LifecycleBinding binding )
+    {
+        if ( binding == null )
+        {
+            return true;
+        }
+        
+        for ( Iterator it = binding.getPhasesInOrder().iterator(); it.hasNext(); )
+        {
+            Phase phase = (Phase) it.next();
+            
+            if ( !phase.getBindings().isEmpty() )
+            {
+                return false;
+            }
+        }
+        
+        return true;
+    }
+
+    public static MojoBinding findMatchingMojoBinding( MojoBinding mojoBinding, LifecycleBindings inBindings,
+                                                       boolean considerExecutionId )
+    {
+        String key = createMojoBindingKey( mojoBinding, considerExecutionId );
+
+        return (MojoBinding) mapMojoBindingsByKey( inBindings, considerExecutionId ).get( key );
+    }
+
+    private static Map mapMojoBindingsByKey( LifecycleBindings bindings, boolean considerExecutionId )
+    {
+        Map byKey = new HashMap();
+
+        for ( Iterator bindingIt = bindings.getBindingList().iterator(); bindingIt.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) bindingIt.next();
+
+            if ( binding != null )
+            {
+                for ( Iterator phaseIt = binding.getPhasesInOrder().iterator(); phaseIt.hasNext(); )
+                {
+                    Phase phase = (Phase) phaseIt.next();
+
+                    if ( phase != null )
+                    {
+                        for ( Iterator mojoIt = phase.getBindings().iterator(); mojoIt.hasNext(); )
+                        {
+                            MojoBinding mojoBinding = (MojoBinding) mojoIt.next();
+
+                            byKey.put( createMojoBindingKey( mojoBinding, considerExecutionId ), mojoBinding );
+                        }
+                    }
+                }
+            }
+        }
+
+        return byKey;
+    }
+
+    public static void removeMojoBindings( List toRemove, LifecycleBindings bindings, boolean considerExecutionId )
+        throws NoSuchPhaseException
+    {
+        if ( bindings.getCleanBinding() != null )
+        {
+            removeMojoBindings( toRemove, bindings.getCleanBinding(), considerExecutionId );
+        }
+
+        if ( bindings.getBuildBinding() != null )
+        {
+            removeMojoBindings( toRemove, bindings.getBuildBinding(), considerExecutionId );
+        }
+
+        if ( bindings.getSiteBinding() != null )
+        {
+            removeMojoBindings( toRemove, bindings.getSiteBinding(), considerExecutionId );
+        }
+    }
+
+    public static void removeMojoBindings( List toRemove, LifecycleBinding removeFrom, boolean considerExecutionId )
+        throws NoSuchPhaseException
+    {
+        // remove where gid:aid:goal matches.
+        List targets = new ArrayList();
+        for ( Iterator it = toRemove.iterator(); it.hasNext(); )
+        {
+            MojoBinding binding = (MojoBinding) it.next();
+
+            targets.add( createMojoBindingKey( binding, considerExecutionId ) );
+        }
+
+        List phases = removeFrom.getPhasesInOrder();
+
+        for ( int i = 0; i < phases.size(); i++ )
+        {
+            Phase phase = (Phase) phases.get( i );
+            List phaseBindings = phase.getBindings();
+
+            for ( Iterator mojoIt = phaseBindings.iterator(); mojoIt.hasNext(); )
+            {
+                MojoBinding binding = (MojoBinding) mojoIt.next();
+                String key = createMojoBindingKey( binding, considerExecutionId );
+                if ( targets.contains( key ) )
+                {
+                    mojoIt.remove();
+                }
+            }
+
+            phase.setBindings( phaseBindings );
+        }
+    }
+
+    public static String createMojoBindingKey( MojoBinding mojoBinding, boolean considerExecutionId )
+    {
+        String key = mojoBinding.getGroupId() + ":" + mojoBinding.getArtifactId() + ":" + mojoBinding.getGoal();
+
+        if ( considerExecutionId )
+        {
+            key += ":" + mojoBinding.getExecutionId();
+        }
+
+        return key;
+    }
+
+    public static LifecycleBindings cloneBindings( LifecycleBindings bindings )
+    {
+        LifecycleBindings result = new LifecycleBindings();
+
+        if ( bindings.getCleanBinding() != null )
+        {
+            result.setCleanBinding( (CleanBinding) cloneBinding( bindings.getCleanBinding() ) );
+        }
+
+        if ( bindings.getBuildBinding() != null )
+        {
+            result.setBuildBinding( (BuildBinding) cloneBinding( bindings.getBuildBinding() ) );
+        }
+
+        if ( bindings.getSiteBinding() != null )
+        {
+            result.setSiteBinding( (SiteBinding) cloneBinding( bindings.getSiteBinding() ) );
+        }
+
+        return result;
+    }
+
+    public static LifecycleBinding cloneBinding( LifecycleBinding binding )
+    {
+        if ( binding == null )
+        {
+            return null;
+        }
+
+        LifecycleBinding result;
+        if ( binding instanceof CleanBinding )
+        {
+            result = new CleanBinding();
+        }
+        else if ( binding instanceof SiteBinding )
+        {
+            result = new SiteBinding();
+        }
+        else if ( binding instanceof BuildBinding )
+        {
+            result = new BuildBinding();
+        }
+        else
+        {
+            throw new IllegalArgumentException( "Unrecognized LifecycleBinding type: " + binding.getClass().getName()
+                + "; cannot clone." );
+        }
+
+        List phases = binding.getPhasesInOrder();
+        List names = binding.getPhaseNamesInOrder();
+
+        for ( int i = 0; i < phases.size(); i++ )
+        {
+            Phase phase = (Phase) phases.get( i );
+            String phaseName = (String) names.get( i );
+
+            for ( Iterator mojoIt = phase.getBindings().iterator(); mojoIt.hasNext(); )
+            {
+                MojoBinding originalBinding = (MojoBinding) mojoIt.next();
+
+                MojoBinding newBinding = cloneMojoBinding( originalBinding );
+
+                try
+                {
+                    addMojoBinding( phaseName, newBinding, result );
+                }
+                catch ( NoSuchPhaseException e )
+                {
+                    IllegalStateException error = new IllegalStateException( e.getMessage()
+                        + "\nSomething strange is going on. Cloning should not encounter such inconsistencies." );
+
+                    error.initCause( e );
+
+                    throw error;
+                }
+            }
+        }
+
+        return result;
+    }
+
+    public static MojoBinding cloneMojoBinding( MojoBinding binding )
+    {
+        MojoBinding result = new MojoBinding();
+
+        result.setGroupId( binding.getGroupId() );
+        result.setArtifactId( binding.getArtifactId() );
+        result.setVersion( binding.getVersion() );
+        result.setConfiguration( binding.getConfiguration() );
+        result.setExecutionId( binding.getExecutionId() );
+        result.setGoal( binding.getGoal() );
+        result.setOrigin( binding.getOrigin() );
+
+        return result;
+    }
+
+    public static Phase findPhaseForMojoBinding( MojoBinding mojoBinding, LifecycleBindings lifecycleBindings,
+                                                 boolean considerExecutionId )
+    {
+        String targetKey = createMojoBindingKey( mojoBinding, considerExecutionId );
+
+        for ( Iterator lifecycleIt = lifecycleBindings.getBindingList().iterator(); lifecycleIt.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) lifecycleIt.next();
+
+            for ( Iterator phaseIt = binding.getPhasesInOrder().iterator(); phaseIt.hasNext(); )
+            {
+                Phase phase = (Phase) phaseIt.next();
+
+                for ( Iterator mojoIt = phase.getBindings().iterator(); mojoIt.hasNext(); )
+                {
+                    MojoBinding candidate = (MojoBinding) mojoIt.next();
+                    String key = createMojoBindingKey( candidate, considerExecutionId );
+                    if ( key.equals( targetKey ) )
+                    {
+                        return phase;
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+
+    public static boolean isMojoBindingPresent( MojoBinding binding, List candidates, boolean considerExecutionId )
+    {
+        String key = createMojoBindingKey( binding, considerExecutionId );
+
+        for ( Iterator it = candidates.iterator(); it.hasNext(); )
+        {
+            MojoBinding candidate = (MojoBinding) it.next();
+
+            String candidateKey = createMojoBindingKey( candidate, considerExecutionId );
+
+            if ( candidateKey.equals( key ) )
+            {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    public static boolean isValidPhaseName( String phaseName )
+    {
+        LifecycleBindings test = new LifecycleBindings();
+        for ( Iterator it = test.getBindingList().iterator(); it.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) it.next();
+            
+            if ( binding.getPhaseNamesInOrder().contains( phaseName ) )
+            {
+                return true;
+            }
+        }
+        
+        return false;
+    }
+
+    public static List getValidPhaseNames()
+    {
+        List phaseNames = new ArrayList();
+        
+        LifecycleBindings bindings = new LifecycleBindings();
+        for ( Iterator bindingIt = bindings.getBindingList().iterator(); bindingIt.hasNext(); )
+        {
+            LifecycleBinding binding = (LifecycleBinding) bindingIt.next();
+            
+            for ( Iterator phaseNameIt = binding.getPhaseNamesInOrder().iterator(); phaseNameIt.hasNext(); )
+            {
+                phaseNames.add( phaseNameIt.next() );
+            }
+        }
+        
+        return phaseNames;
+    }
+
+    public static List getValidBuildPhaseNames()
+    {
+        List phaseNames = new ArrayList();
+        
+        LifecycleBinding binding = new BuildBinding();
+        
+        for ( Iterator phaseNameIt = binding.getPhaseNamesInOrder().iterator(); phaseNameIt.hasNext(); )
+        {
+            phaseNames.add( phaseNameIt.next() );
+        }
+        
+        return phaseNames;
+    }
+
+    public static List getValidCleanPhaseNames()
+    {
+        List phaseNames = new ArrayList();
+        
+        LifecycleBinding binding = new CleanBinding();
+        
+        for ( Iterator phaseNameIt = binding.getPhaseNamesInOrder().iterator(); phaseNameIt.hasNext(); )
+        {
+            phaseNames.add( phaseNameIt.next() );
+        }
+        
+        return phaseNames;
+    }
+
+    public static List getValidSitePhaseNames()
+    {
+        List phaseNames = new ArrayList();
+        
+        LifecycleBinding binding = new SiteBinding();
+        
+        for ( Iterator phaseNameIt = binding.getPhaseNamesInOrder().iterator(); phaseNameIt.hasNext(); )
+        {
+            phaseNames.add( phaseNameIt.next() );
+        }
+        
+        return phaseNames;
+    }
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/MojoBindingUtils.java

@@ -0,0 +1,18 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.model.MojoBinding;
+
+public final class MojoBindingUtils
+{
+
+    private MojoBindingUtils()
+    {
+    }
+
+    public static String toString( MojoBinding mojoBinding )
+    {
+        return mojoBinding.getGroupId() + ":" + mojoBinding.getArtifactId() + ":"
+            + ( mojoBinding.getVersion() == null ? "" : mojoBinding.getVersion() + ":" ) + mojoBinding.getGoal();
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/NoSuchLifecycleException.java

@@ -0,0 +1,26 @@
+package org.apache.maven.lifecycle;
+
+public class NoSuchLifecycleException
+    extends LifecycleSpecificationException
+{
+
+    private final String packaging;
+
+    public NoSuchLifecycleException( String packaging, String message, Throwable cause )
+    {
+        super( message, cause );
+        this.packaging = packaging;
+    }
+
+    public NoSuchLifecycleException( String phase, String message )
+    {
+        super( message );
+        this.packaging = phase;
+    }
+    
+    public String getPackaging()
+    {
+        return packaging;
+    }
+
+}

maven-lifecycle/src/main/java/org/apache/maven/lifecycle/NoSuchPhaseException.java

@@ -0,0 +1,26 @@
+package org.apache.maven.lifecycle;
+
+public class NoSuchPhaseException
+    extends LifecycleSpecificationException
+{
+
+    private final String phase;
+
+    public NoSuchPhaseException( String phase, String message, Throwable cause )
+    {
+        super( message, cause );
+        this.phase = phase;
+    }
+
+    public NoSuchPhaseException( String phase, String message )
+    {
+        super( message );
+        this.phase = phase;
+    }
+    
+    public String getPhase()
+    {
+        return phase;
+    }
+
+}

maven-lifecycle/src/main/mdo/maven-lifecycle.mdo

@@ -0,0 +1,620 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one
+  or more contributor license agreements.  See the NOTICE file
+  distributed with this work for additional information
+  regarding copyright ownership.  The ASF licenses this file
+  to you under the Apache License, Version 2.0 (the
+  "License"); you may not use this file except in compliance
+  with the License.  You may obtain a copy of the License at
+  
+  http://www.apache.org/licenses/LICENSE-2.0
+  
+  Unless required by applicable law or agreed to in writing,
+  software distributed under the License is distributed on an
+  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  KIND, either express or implied.  See the License for the
+  specific language governing permissions and limitations
+  under the License.
+-->
+
+<!-- 
+    *** NOTE: If you add a new lifecycle or phase, be sure to update the codeSegments! *** 
+-->
+<model>
+  <id>build-lifecycle</id>
+  <name>LifecycleBindings</name>
+  <description>Model for lifecycle specifications starting in Maven 2.1</description>
+  <defaults>
+    <default>
+      <key>package</key>
+      <value>org.apache.maven.lifecycle.model</value>
+    </default>
+  </defaults>
+  <classes>
+    <class rootElement="true" xml.tagName="lifecycles">
+      <name>LifecycleBindings</name>
+      <version>1.0.0</version>
+      <description>Specifies phase bindings for clean, site, and default lifecycles.</description>
+      <fields>
+        <field>
+          <version>1.0.0</version>
+          <name>packaging</name>
+          <type>String</type>
+          <required>true</required>
+          <description>POM packaging to which this lifecycle specification applies.</description>
+        </field>
+        <field xml.tagName="clean">
+          <version>1.0.0</version>
+          <name>cleanBinding</name>
+          <defaultValue>new CleanBinding()</defaultValue>
+          <description>The binding for the clean lifecycle</description>
+          <association>
+            <type>CleanBinding</type>
+          </association>
+        </field>
+        <field xml.tagName="build">
+          <version>1.0.0</version>
+          <name>buildBinding</name>
+          <defaultValue>new BuildBinding()</defaultValue>
+          <description>The binding for the main build (default) lifecycle</description>
+          <association>
+            <type>BuildBinding</type>
+          </association>
+        </field>
+        <field xml.tagName="site">
+          <version>1.0.0</version>
+          <name>siteBinding</name>
+          <defaultValue>new SiteBinding()</defaultValue>
+          <description>The binding for the site lifecycle</description>
+          <association>
+            <type>SiteBinding</type>
+          </association>
+        </field>
+      </fields>
+      <codeSegments>
+        <codeSegment>
+          <version>1.0.0</version>
+          <code><![CDATA[
+    public java.util.List getBindingList()
+    {
+        java.util.List lifecycles = new java.util.ArrayList();
+        
+        if ( getCleanBinding() != null )
+        {
+            lifecycles.add( getCleanBinding() );
+        }
+        
+        if ( getBuildBinding() != null )
+        {
+            lifecycles.add( getBuildBinding() );
+        }
+        
+        if ( getSiteBinding() != null )
+        {
+            lifecycles.add( getSiteBinding() );
+        }
+        
+        return java.util.Collections.unmodifiableList( lifecycles );
+    }
+          ]]></code>
+        </codeSegment>
+      </codeSegments>
+    </class>
+    <class>
+      <name>LifecycleBinding</name>
+      <version>1.0.0</version>
+      <description>Base-class for all lifecycle bindings.</description>
+      <codeSegments>
+        <codeSegment>
+          <version>1.0.0</version>
+          <code><![CDATA[
+    public String getId()
+    {
+        throw new UnsupportedOperationException( "Unsupported in base-class." );
+    }
+          
+    public java.util.List getPhasesInOrder()
+    {
+        throw new UnsupportedOperationException( "Unsupported in base-class." );
+    }
+    
+    public java.util.List getPhaseNamesInOrder()
+    {
+        throw new UnsupportedOperationException( "Unsupported in base-class." );
+    }
+          ]]></code>
+        </codeSegment>
+      </codeSegments>
+    </class>
+    <class>
+      <name>CleanBinding</name>
+      <superClass>LifecycleBinding</superClass>
+      <version>1.0.0</version>
+      <fields>
+        <field xml.tagName="pre-clean">
+          <name>preClean</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="clean">
+          <name>clean</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="post-clean">
+          <name>postClean</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+      </fields>
+      <codeSegments>
+        <codeSegment>
+          <version>1.0.0</version>
+          <code><![CDATA[
+    public String getId()
+    {
+        return "clean";
+    }
+          
+    public java.util.List getPhasesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( getPreClean() );
+        phases.add( getClean() );
+        phases.add( getPostClean() );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+    
+    public java.util.List getPhaseNamesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( "pre-clean" );
+        phases.add( "clean" );
+        phases.add( "post-clean" );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+          ]]></code>
+        </codeSegment>
+      </codeSegments>
+    </class>
+    <class>
+      <name>BuildBinding</name>
+      <superClass>LifecycleBinding</superClass>
+      <version>1.0.0</version>
+      <fields>
+        <field>
+          <name>validate</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field>
+          <name>initialize</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="generate-sources">
+          <name>generateSources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-sources">
+          <name>processSources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="generate-resources">
+          <name>generateResources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-resources">
+          <name>processResources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field>
+          <name>compile</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-classes">
+          <name>processClasses</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="generate-test-sources">
+          <name>generateTestSources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-test-sources">
+          <name>processTestSources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="generate-test-resources">
+          <name>generateTestResources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-test-resources">
+          <name>processTestResources</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="test-compile">
+          <name>testCompile</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="process-test-classes">
+          <name>processTestClasses</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="test">
+          <name>test</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="prepare-package">
+          <name>preparePackage</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="package">
+          <name>createPackage</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="pre-integration-test">
+          <name>preIntegrationTest</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="integration-test">
+          <name>integrationTest</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="post-integration-test">
+          <name>postIntegrationTest</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field>
+          <name>verify</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field>
+          <name>install</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field>
+          <name>deploy</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+      </fields>
+      <codeSegments>
+        <codeSegment>
+          <version>1.0.0</version>
+          <code><![CDATA[
+    public String getId()
+    {
+        return "build";
+    }
+          
+    public java.util.List getPhasesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( getValidate() );
+        phases.add( getInitialize() );
+        phases.add( getGenerateSources() );
+        phases.add( getProcessSources() );
+        phases.add( getGenerateResources() );
+        phases.add( getProcessResources() );
+        phases.add( getCompile() );
+        phases.add( getProcessClasses() );
+        phases.add( getGenerateTestSources() );
+        phases.add( getProcessTestSources() );
+        phases.add( getGenerateTestResources() );
+        phases.add( getProcessTestResources() );
+        phases.add( getTestCompile() );
+        phases.add( getProcessTestClasses() );
+        phases.add( getTest() );
+        phases.add( getPreparePackage() );
+        phases.add( getCreatePackage() );
+        phases.add( getPreIntegrationTest() );
+        phases.add( getIntegrationTest() );
+        phases.add( getPostIntegrationTest() );
+        phases.add( getVerify() );
+        phases.add( getInstall() );
+        phases.add( getDeploy() );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+    
+    public java.util.List getPhaseNamesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( "validate" );
+        phases.add( "initialize" );
+        phases.add( "generate-sources" );
+        phases.add( "process-sources" );
+        phases.add( "generate-resources" );
+        phases.add( "process-resources" );
+        phases.add( "compile" );
+        phases.add( "process-classes" );
+        phases.add( "generate-test-sources" );
+        phases.add( "process-test-sources" );
+        phases.add( "generate-test-resources" );
+        phases.add( "process-test-resources" );
+        phases.add( "test-compile" );
+        phases.add( "process-test-classes" );
+        phases.add( "test" );
+        phases.add( "prepare-package" );
+        phases.add( "package" );
+        phases.add( "pre-integration-test" );
+        phases.add( "integration-test" );
+        phases.add( "post-integration-test" );
+        phases.add( "verify" );
+        phases.add( "install" );
+        phases.add( "deploy" );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+          ]]></code>
+        </codeSegment>
+      </codeSegments>
+    </class>
+    <class>
+      <name>SiteBinding</name>
+      <superClass>LifecycleBinding</superClass>
+      <version>1.0.0</version>
+      <fields>
+        <field xml.tagName="pre-site">
+          <name>preSite</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="site">
+          <name>site</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="post-site">
+          <name>postSite</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+        <field xml.tagName="site-deploy">
+          <name>siteDeploy</name>
+          <version>1.0.0</version>
+          <defaultValue>new Phase()</defaultValue>
+          <association>
+            <type>Phase</type>
+          </association>
+        </field>
+      </fields>
+      <codeSegments>
+        <codeSegment>
+          <version>1.0.0</version>
+          <code><![CDATA[
+    public String getId()
+    {
+        return "site";
+    }
+          
+    public java.util.List getPhasesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( getPreSite() );
+        phases.add( getSite() );
+        phases.add( getPostSite() );
+        phases.add( getSiteDeploy() );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+    
+    public java.util.List getPhaseNamesInOrder()
+    {
+        java.util.List phases = new java.util.ArrayList();
+        
+        phases.add( "pre-site" );
+        phases.add( "site" );
+        phases.add( "post-site" );
+        phases.add( "site-deploy" );
+        
+        return java.util.Collections.unmodifiableList( phases );
+    }
+          ]]></code>
+        </codeSegment>
+      </codeSegments>
+    </class>
+    <class>
+      <name>Phase</name>
+      <version>1.0.0</version>
+      <description>Contains a series of mojo bindings for a given phase of a lifecycle.</description>
+      <fields>
+        <field>
+          <name>bindings</name>
+          <version>1.0.0</version>
+          <description>Collection of mojo bindings for a phase.</description>
+          <association>
+            <type>MojoBinding</type>
+            <multiplicity>*</multiplicity>
+          </association>
+        </field>
+      </fields>
+    </class>
+    <class>
+      <name>LifecycleStep</name>
+      <version>1.0.0</version>
+      <description><![CDATA[
+        Some step in the build process. This could be a mojo, or it could be a signal to start/stop 
+        forked-mode of execution, etc.
+      ]]></description>
+    </class>
+    <class>
+      <name>MojoBinding</name>
+      <superClass>LifecycleStep</superClass>
+      <version>1.0.0</version>
+      <description>A binding of one mojo to one lifecycle phase, possibly including configuration.</description>
+      <fields>
+        <field>
+          <name>groupId</name>
+          <required>true</required>
+          <version>1.0.0</version>
+          <description>Plugin's groupId.</description>
+          <type>String</type>
+        </field>
+        <field>
+          <name>artifactId</name>
+          <required>true</required>
+          <version>1.0.0</version>
+          <description>Plugin's artifactId.</description>
+          <type>String</type>
+        </field>
+        <field>
+          <name>version</name>
+          <required>true</required>
+          <version>1.0.0</version>
+          <description>Plugin's version.</description>
+          <type>String</type>
+        </field>
+        <field>
+          <name>goal</name>
+          <required>true</required>
+          <version>1.0.0</version>
+          <description>Mojo's goal name.</description>
+          <type>String</type>
+        </field>
+        <field>
+          <name>executionId</name>
+          <version>1.0.0</version>
+          <defaultValue>default</defaultValue>
+          <description>A name for this mojo binding, for purposes of merging configurations via inheritance, etc.</description>
+          <type>String</type>
+        </field>
+        <field>
+          <version>1.0.0</version>
+          <name>origin</name>
+          <type>String</type>
+          <description>Specific location from which this set of mojo binding was loaded.</description>
+        </field>
+        <field>
+          <name>configuration</name>
+          <version>1.0.0</version>
+          <description>Mojo binding's configuration.</description>
+          <type>DOM</type>
+        </field>
+        <field>
+          <name>optional</name>
+          <version>1.0.0</version>
+          <description>Marks a mojo binding as optional (not required for execution of the lifecycle).</description>
+          <type>boolean</type>
+        </field>
+      </fields>
+    </class>
+  </classes>
+</model>

maven-lifecycle/src/test/java/org/apache/maven/lifecycle/ClassLoaderXmlBindingLoaderTest.java

@@ -0,0 +1,61 @@
+package org.apache.maven.lifecycle;
+
+import org.apache.maven.lifecycle.model.CleanBinding;
+import org.apache.maven.lifecycle.model.LifecycleBindings;
+import org.apache.maven.lifecycle.model.MojoBinding;
+import org.apache.maven.lifecycle.model.Phase;
+import org.codehaus.plexus.PlexusTestCase;
+
+import java.util.List;
+
+public class ClassLoaderXmlBindingLoaderTest
+    extends PlexusTestCase
+{
+
+    public void testBeanAccess_ParseSingleCleanBinding()
+        throws LifecycleLoaderException, LifecycleSpecificationException
+    {
+        LifecycleBindings bindings = new ClassLoaderXmlBindingLoader( "single-clean-mapping.xml" ).getBindings();
+
+        CleanBinding cleanBinding = bindings.getCleanBinding();
+        assertNotNull( cleanBinding );
+
+        Phase preClean = cleanBinding.getPreClean();
+        assertNotNull( preClean );
+
+        List mojos = preClean.getBindings();
+        assertNotNull( mojos );
+        assertEquals( 1, mojos.size() );
+
+        MojoBinding mojo = (MojoBinding) mojos.get( 0 );
+        assertEquals( "group", mojo.getGroupId() );
+        assertEquals( "artifact", mojo.getArtifactId() );
+        assertNull( mojo.getVersion() );
+        assertEquals( "goalOne", mojo.getGoal() );
+    }
+
+    public void testComponentAccess_ParseSingleCleanBinding()
+        throws Exception
+    {
+        LifecycleBindingLoader loader = (LifecycleBindingLoader) lookup( LifecycleBindingLoader.ROLE, "single-clean-mapping" );
+
+        LifecycleBindings bindings = loader.getBindings();
+
+        CleanBinding cleanBinding = bindings.getCleanBinding();
+        assertNotNull( cleanBinding );
+
+        Phase preClean = cleanBinding.getPreClean();
+        assertNotNull( preClean );
+
+        List mojos = preClean.getBindings();
+        assertNotNull( mojos );
+        assertEquals( 1, mojos.size() );
+
+        MojoBinding mojo = (MojoBinding) mojos.get( 0 );
+        assertEquals( "group", mojo.getGroupId() );
+        assertEquals( "artifact", mojo.getArtifactId() );
+        assertNull( mojo.getVersion() );
+        assertEquals( "goalOne", mojo.getGoal() );
+    }
+
+}

maven-lifecycle/src/test/resources/META-INF/plexus/components.xml

@@ -0,0 +1,12 @@
+<component-set>
+  <components>
+    <component>
+      <role>org.apache.maven.lifecycle.LifecycleBindingLoader</role>
+      <role-hint>single-clean-mapping</role-hint>
+      <implementation>org.apache.maven.lifecycle.ClassLoaderXmlBindingLoader</implementation>
+      <configuration>
+        <path>single-clean-mapping.xml</path>
+      </configuration>
+    </component>
+  </components>
+</component-set>

maven-lifecycle/src/test/resources/single-clean-mapping.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+
+<lifecycles>
+  <clean>
+    <pre-clean>
+      <bindings>
+        <binding>
+          <groupId>group</groupId>
+          <artifactId>artifact</artifactId>
+          <goal>goalOne</goal>
+        </binding>
+      </bindings>
+    </pre-clean>
+  </clean>
+</lifecycles>

maven-project/src/main/java/org/apache/maven/context/ProjectScopedContext.java

@@ -0,0 +1,14 @@
+package org.apache.maven.context;
+
+import org.apache.maven.project.MavenProject;
+
+public class ProjectScopedContext
+    extends ScopedBuildContext
+{
+    
+    public ProjectScopedContext( MavenProject project, BuildContext parentBuildContext )
+    {
+        super( project.getId(), parentBuildContext );
+    }
+
+}

maven-project/src/main/java/org/apache/maven/project/MavenProject.java

@@ -64,6 +64,7 @@
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
+import java.util.Stack;
 
 /**
  * The concern of the project is provide runtime values based on the model. <p/>
@@ -147,6 +148,8 @@ public class MavenProject
     
     private Map moduleAdjustments;
 
+    private Stack previousExecutionProjects = new Stack();
+
     public MavenProject()
     {
         Model model = new Model();
@@ -1425,11 +1428,16 @@ public Xpp3Dom getReportConfiguration( String pluginGroupId, String pluginArtifa
 
     public MavenProject getExecutionProject()
     {
-        return executionProject;
+        return ( executionProject == null ? this : executionProject );
     }
 
     public void setExecutionProject( MavenProject executionProject )
     {
+        if ( this.executionProject != null )
+        {
+            previousExecutionProjects.push( this.executionProject );
+        }
+        
         this.executionProject = executionProject;
     }
 
@@ -1650,4 +1658,16 @@ private void addArtifactPath(Artifact a, List list) throws DependencyResolutionR
             list.add( file.getPath() );
         }
     }
+
+    public void clearExecutionProject()
+    {
+        if ( !previousExecutionProjects.isEmpty() )
+        {
+            executionProject = (MavenProject) previousExecutionProjects.pop();
+        }
+        else
+        {
+            executionProject = null;
+        }
+    }
 }

pom.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
+
 <!--
 Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements.  See the NOTICE file
@@ -121,6 +122,7 @@ under the License.
     <module>maven-build-context</module>
     <module>maven-core</module>
     <module>maven-error-diagnostics</module>
+    <module>maven-lifecycle</module>
     <module>maven-model</module>
     <module>maven-monitor</module>
     <module>maven-plugin-api</module>