o adding missing model extensions i added

git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@720525 13f79535-47bb-0310-9956-ffa450edef68

maven-core/src/main/java/org/apache/maven/listeners/DefaultMavenModelEventProcessor.java

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+package org.apache.maven.listeners;
+
+import java.util.List;
+
+import org.apache.maven.execution.MavenSession;
+import org.codehaus.plexus.component.annotations.Component;
+import org.codehaus.plexus.component.annotations.Requirement;
+
+@Component(role = MavenModelEventProcessor.class)
+public class DefaultMavenModelEventProcessor
+    implements MavenModelEventProcessor
+{
+    @Requirement
+    List<MavenModelEventListener> listeners;
+
+    public void processModelContainers( MavenSession session )
+    {
+        for( MavenModelEventListener listener : listeners )
+        {
+            listener.processModelContainers( session );
+        }
+    }        
+}

maven-core/src/main/java/org/apache/maven/listeners/MavenModelEventListener.java

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+package org.apache.maven.listeners;
+
+import org.apache.maven.execution.MavenSession;
+import org.apache.maven.shared.model.ModelEventListener;
+
+public interface MavenModelEventListener
+    extends ModelEventListener
+{
+    void processModelContainers( MavenSession session );
+}

maven-core/src/main/java/org/apache/maven/listeners/MavenModelEventProcessor.java

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+package org.apache.maven.listeners;
+
+import org.apache.maven.execution.MavenSession;
+
+public interface MavenModelEventProcessor
+{
+    void processModelContainers( MavenSession session );
+}

maven-core/src/test/java/org/apache/maven/listeners/BuildExtensionListenerTest.java

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+package org.apache.maven.listeners;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.maven.execution.DefaultMavenExecutionRequest;
+import org.apache.maven.execution.DuplicateProjectException;
+import org.apache.maven.execution.MavenExecutionRequest;
+import org.apache.maven.execution.MavenSession;
+import org.apache.maven.execution.ReactorManager;
+import org.apache.maven.model.Model;
+import org.apache.maven.monitor.event.DefaultEventDispatcher;
+import org.apache.maven.project.MavenProject;
+import org.apache.maven.project.builder.ProjectUri;
+import org.apache.maven.shared.model.ModelContainer;
+import org.apache.maven.shared.model.ModelContainerAction;
+import org.apache.maven.shared.model.ModelProperty;
+import org.apache.maven.wagon.Wagon;
+import org.codehaus.plexus.PlexusTestCase;
+import org.codehaus.plexus.util.dag.CycleDetectedException;
+
+public class BuildExtensionListenerTest
+    extends PlexusTestCase
+{
+    public void testBuildExtensionListener()
+        throws Exception
+    {
+        BuildExtensionListener listener = (BuildExtensionListener) lookup( MavenModelEventListener.class, "extensions" );
+
+        // Create the model properties and the model container to feed to the event firing
+        List<ModelProperty> modelProperties = new ArrayList<ModelProperty>();
+        modelProperties.add( new ModelProperty( ProjectUri.Build.Extensions.Extension.xUri, null ) );
+        modelProperties.add( new ModelProperty( ProjectUri.Build.Extensions.Extension.groupId, "org.apache.maven.wagon" ) );
+        modelProperties.add( new ModelProperty( ProjectUri.Build.Extensions.Extension.artifactId, "wagon-webdav" ) );
+        modelProperties.add( new ModelProperty( ProjectUri.Build.Extensions.Extension.version, "1.0-beta-2" ) );
+        ModelContainer container = new TestModelContainer( modelProperties );
+
+        // Fire the event.
+        listener.fire( Arrays.asList( container ) );
+
+        try
+        {
+            lookup( Wagon.class, "dav" );
+            fail( "The lookup for the wagon dav extension should not be possible yet." );
+        }
+        catch( Exception e )
+        {
+            // We should get an exception.
+        }
+        
+        // Process the data we have collected.
+        listener.processModelContainers( newMavenSession() );
+        
+        // Now we should be able to find the extension.
+        lookup( Wagon.class, "dav" );        
+    }
+
+    private MavenSession newMavenSession()
+        throws CycleDetectedException, DuplicateProjectException
+    {
+        Model model = new Model();
+        model.setGroupId( "group" );
+        model.setArtifactId( "artifact" );
+        model.setVersion( "1" );
+
+        MavenProject project = new MavenProject( model );
+        ReactorManager rm = new ReactorManager( Collections.singletonList( project ), ReactorManager.FAIL_FAST );
+        MavenExecutionRequest request = new DefaultMavenExecutionRequest();
+        request.setLocalRepositoryPath( new File( "/Users/jvanzyl/.m2/repository" ) );        
+        MavenSession session = new MavenSession( getContainer(), request, new DefaultEventDispatcher(), rm );
+
+        return session;
+    }
+
+    public class TestModelContainer
+        implements ModelContainer
+    {
+        List<ModelProperty> modelProperties;
+
+        public TestModelContainer( List<ModelProperty> properties )
+        {
+            this.modelProperties = properties;
+        }
+
+        public List<ModelProperty> getProperties()
+        {
+            return new ArrayList<ModelProperty>( modelProperties );
+        }
+
+        public ModelContainerAction containerAction( ModelContainer modelContainer )
+        {
+            return null;
+        }
+
+        public ModelContainer createNewInstance( List<ModelProperty> modelProperties )
+        {
+            return null;
+        }
+    }
+}