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o moving artifact request transformation mechanism inside the resolver 

package as they artifact transformations will be utilized from within
  the resolver.


git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@163456 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jason van Zyl 2005-03-03 15:37:25 +00:00
parent fe4cb5e0bb
commit 0c42b64caf
6 changed files with 207 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
maven-artifact/src/main/java/org/apache/maven/artifact/request/ArtifactRequest.java
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@ -1,26 +0,0 @@
package org.apache.maven.artifact.request;
/*
* Copyright 2001-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
/**
* @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
* @version $Id$
*/
public class ArtifactRequest
{
}

2
maven-artifact/src/main/java/org/apache/maven/artifact/resolver/ArtifactResolver.java
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@ -1,6 +1,7 @@
package org.apache.maven.artifact.resolver;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.resolver.transform.ArtifactRequestTransformation;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.metadata.ArtifactMetadataSource;
import org.apache.maven.artifact.repository.ArtifactRepository;
@ -50,5 +51,6 @@ ArtifactResolutionResult resolveTransitively( Set artifacts,
ArtifactFilter filter )
throws ArtifactResolutionException;
void addArtifactRequestTransformation( org.apache.maven.artifact.resolver.transform.ArtifactRequestTransformation requestTransformation );
}

25
maven-artifact/src/main/java/org/apache/maven/artifact/resolver/DefaultArtifactResolver.java
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@ -2,6 +2,7 @@
import org.apache.maven.artifact.AbstractArtifactComponent;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.resolver.transform.ArtifactRequestTransformation;
import org.apache.maven.artifact.handler.manager.ArtifactHandlerNotFoundException;
import org.apache.maven.artifact.manager.WagonManager;
import org.apache.maven.artifact.metadata.ArtifactMetadataRetrievalException;
@ -22,8 +23,22 @@ public class DefaultArtifactResolver
extends AbstractArtifactComponent
implements ArtifactResolver
{
// ----------------------------------------------------------------------
// Fields
// ----------------------------------------------------------------------
private List requestTransformations;
// ----------------------------------------------------------------------
// Components
// ----------------------------------------------------------------------
private WagonManager wagonManager;
// ----------------------------------------------------------------------
// Implementation
// ----------------------------------------------------------------------
public Artifact resolve( Artifact artifact,
Set remoteRepositories,
ArtifactRepository localRepository )
@ -284,16 +299,8 @@ private void addConflict( ArtifactResolutionResult result, Artifact knownArtifac
conflicts.add( newArtifact );
}
protected boolean includeArtifact( String artifactId, String[] artifactExcludes )
public void addArtifactRequestTransformation( ArtifactRequestTransformation requestTransformation )
{
for ( int b = 0; b < artifactExcludes.length; b++ )
{
if ( artifactId.equals( artifactExcludes[b] ) )
{
return false;
}
}
return true;
}
}

14
maven-artifact/src/main/java/org/apache/maven/artifact/request/ArtifactRequestTransformation.java → maven-artifact/src/main/java/org/apache/maven/artifact/resolver/transform/ArtifactRequestTransformation.java
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@ -1,4 +1,10 @@
package org.apache.maven.artifact.request;
package org.apache.maven.artifact.resolver.transform;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import java.util.Map;
import java.util.Set;
/*
* Copyright 2001-2004 The Apache Software Foundation.
@ -16,12 +22,6 @@
* limitations under the License.
*/
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import java.util.Map;
import java.util.Set;
/**
* @author <a href="mailto:jason@maven.org">Jason van Zyl</a>
* @version $Id$

2
maven-artifact/src/main/java/org/apache/maven/artifact/request/ArtifactRequestTransformationException.java → maven-artifact/src/main/java/org/apache/maven/artifact/resolver/transform/ArtifactRequestTransformationException.java
View File

@ -1,4 +1,4 @@
package org.apache.maven.artifact.request;
package org.apache.maven.artifact.resolver.transform;
/*
* Copyright 2001-2004 The Apache Software Foundation.

180
maven-artifact/src/main/java/org/apache/maven/artifact/resolver/transform/SnapshotRequestTransformation.java Normal file
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@ -0,0 +1,180 @@
package org.apache.maven.artifact.resolver.transform;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.codehaus.plexus.util.FileUtils;
import java.io.File;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.Set;
import java.util.TimeZone;
/**
* @author <a href="mailto:mmaczka@interia.pl">Michal Maczka</a>
* @version $Id$
*/
public class SnapshotRequestTransformation
implements ArtifactRequestTransformation
{
private ArtifactResolver artifactResolver;
public Artifact transform( Artifact artifact,
ArtifactRepository localRepository,
Set repositories,
Map parameters )
throws Exception
{
Date localVersion = getLocalVersion( artifact, localRepository );
Date remoteVersion = getRemoteVersion( artifact, repositories, localRepository );
if ( remoteVersion != null )
{
//if local version is unknown (null) it means that
//we don't have this file locally. so we will be happy
// to have any snapshot.
// we wil download in two cases:
// a) we don't have any snapot in local repo
// b) we have found newer version in remote repository
if ( localVersion == null || localVersion.before( remoteVersion ) )
{
// here we know that we have artifact like foo-1.2-SNAPSHOT.jar
// and the remote timestamp is something like 20010304.121212
// so we might as well fetch foo-1.2-20010304.121212.jar
// but we are just going to fetch foo-1.2-SNAPSHOT.jar.
// We can change the strategy which is used here later on
// @todo we will delete old file first.
//it is not really a right thing to do. Artifact Dowloader should
// fetch to temprary file and replace the old file with the new
// one once download was finished
artifact.getFile().delete();
artifactResolver.resolve( artifact, repositories, localRepository );
File snapshotVersionFile = getSnapshotVersionFile( artifact, localRepository );
String timestamp = getTimestamp( remoteVersion );
// delete old one
if ( snapshotVersionFile.exists() )
{
snapshotVersionFile.delete();
}
FileUtils.fileWrite( snapshotVersionFile.getPath(), timestamp );
}
}
return artifact;
}
private File getSnapshotVersionFile( Artifact artifact, ArtifactRepository localRepository )
{
return null;
//return new File( localRepository.fullArtifactPath( artifact ) );
}
private Date getRemoteVersion( Artifact artifact, Set remoteRepositories, ArtifactRepository localRepository )
throws Exception
{
Date retValue = null;
artifactResolver.resolve( artifact, remoteRepositories, localRepository );
String timestamp = FileUtils.fileRead( artifact.getPath() );
retValue = parseTimestamp( timestamp );
return retValue;
}
private Date getLocalVersion( Artifact artifact, ArtifactRepository localRepository )
{
//assert artifact.exists();
Date retValue = null;
try
{
File file = getSnapshotVersionFile( artifact, localRepository );
if ( file.exists() )
{
String timestamp = FileUtils.fileRead( file );
retValue = parseTimestamp( timestamp );
}
}
catch ( Exception e )
{
// ignore
}
if ( retValue == null )
{
//try "traditional method" used in maven1 for obtaining snapshot version
File file = artifact.getFile();
if ( file.exists() )
{
retValue = new Date( file.lastModified() );
//@todo we should "normalize" the time.
/*TimeZone gmtTimeZone = TimeZone.getTimeZone( "GMT" );
TimeZone userTimeZone = TimeZone.getDefault();
long diff =
*/
}
}
return retValue;
}
private final static String DATE_FORMAT = "yyyyMMdd.HHmmss";
private static SimpleDateFormat getFormatter()
{
SimpleDateFormat formatter = new SimpleDateFormat( DATE_FORMAT );
formatter.setTimeZone( TimeZone.getTimeZone( "GMT" ) );
return formatter;
}
public static String getTimestamp()
{
Date now = new Date();
SimpleDateFormat formatter = getFormatter();
String retValue = formatter.format( now );
return retValue;
}
public static Date parseTimestamp ( String timestamp )
throws ParseException
{
Date retValue = getFormatter().parse( timestamp );
return retValue;
}
public static String getTimestamp ( Date snapshotVersion )
{
String retValue = getFormatter().format( snapshotVersion );
return retValue;
}
}