org.apache.maven.lifecycle.internal.ThreadLockedArtifact Maven / Gradle / Ivy
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package org.apache.maven.lifecycle.internal;
/*
* 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.Artifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.OverConstrainedVersionException;
import org.apache.maven.artifact.versioning.VersionRange;
import java.io.File;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.CountDownLatch;
/**
* An artifact that conditionally suspends on getFile for anything but the thread it is locked to.
*
* @since 3.0
*/
class ThreadLockedArtifact
implements Artifact
{
private final Artifact real;
private final CountDownLatch artifactLocked = new CountDownLatch( 1 );
ThreadLockedArtifact( Artifact real )
{
this.real = real;
}
public boolean hasReal()
{
return real != null
&& ( !( real instanceof ThreadLockedArtifact ) || ( (ThreadLockedArtifact) real ).hasReal() );
}
public String getGroupId()
{
return real.getGroupId();
}
public String getArtifactId()
{
return real.getArtifactId();
}
public String getVersion()
{
return real.getVersion();
}
public void setVersion( String version )
{
real.setVersion( version );
}
public String getScope()
{
return real.getScope();
}
public String getType()
{
return real.getType();
}
public String getClassifier()
{
return real.getClassifier();
}
public boolean hasClassifier()
{
return real.hasClassifier();
}
private static final InheritableThreadLocal THREAD_ARTIFACT =
new InheritableThreadLocal();
public void attachToThread()
{
THREAD_ARTIFACT.set( this );
}
public File getFile()
{
final ThreadLockedArtifact lockedArtifact = THREAD_ARTIFACT.get();
if ( lockedArtifact != null && this != lockedArtifact && mustLock() )
{
try
{
artifactLocked.await();
}
catch ( InterruptedException e )
{
// Ignore and go on to real.getFile();
}
}
return real.getFile();
}
private boolean mustLock()
{
boolean dontNeedLock = CurrentPhaseForThread.isPhase( "compile" ) || CurrentPhaseForThread.isPhase( "test" );
return !dontNeedLock;
}
public void setFile( File destination )
{
if ( destination != null && destination.exists() && destination.isFile() )
{
artifactLocked.countDown();
}
real.setFile( destination );
}
public String getBaseVersion()
{
return real.getBaseVersion();
}
public void setBaseVersion( String baseVersion )
{
real.setBaseVersion( baseVersion );
}
public String getId()
{
return real.getId();
}
public String getDependencyConflictId()
{
return real.getDependencyConflictId();
}
public void addMetadata( ArtifactMetadata metadata )
{
real.addMetadata( metadata );
}
public Collection getMetadataList()
{
return real.getMetadataList();
}
public void setRepository( ArtifactRepository remoteRepository )
{
real.setRepository( remoteRepository );
}
public ArtifactRepository getRepository()
{
return real.getRepository();
}
public void updateVersion( String version, ArtifactRepository localRepository )
{
real.updateVersion( version, localRepository );
}
public String getDownloadUrl()
{
return real.getDownloadUrl();
}
public void setDownloadUrl( String downloadUrl )
{
real.setDownloadUrl( downloadUrl );
}
public ArtifactFilter getDependencyFilter()
{
return real.getDependencyFilter();
}
public void setDependencyFilter( ArtifactFilter artifactFilter )
{
real.setDependencyFilter( artifactFilter );
}
public ArtifactHandler getArtifactHandler()
{
return real.getArtifactHandler();
}
public List getDependencyTrail()
{
return real.getDependencyTrail();
}
public void setDependencyTrail( List dependencyTrail )
{
real.setDependencyTrail( dependencyTrail );
}
public void setScope( String scope )
{
real.setScope( scope );
}
public VersionRange getVersionRange()
{
return real.getVersionRange();
}
public void setVersionRange( VersionRange newRange )
{
real.setVersionRange( newRange );
}
public void selectVersion( String version )
{
real.selectVersion( version );
}
public void setGroupId( String groupId )
{
real.setGroupId( groupId );
}
public void setArtifactId( String artifactId )
{
real.setArtifactId( artifactId );
}
public boolean isSnapshot()
{
return real.isSnapshot();
}
public void setResolved( boolean resolved )
{
real.setResolved( resolved );
}
public boolean isResolved()
{
return real.isResolved();
}
public void setResolvedVersion( String version )
{
real.setResolvedVersion( version );
}
public void setArtifactHandler( ArtifactHandler handler )
{
real.setArtifactHandler( handler );
}
public boolean isRelease()
{
return real.isRelease();
}
public void setRelease( boolean release )
{
real.setRelease( release );
}
public List getAvailableVersions()
{
return real.getAvailableVersions();
}
public void setAvailableVersions( List versions )
{
real.setAvailableVersions( versions );
}
public boolean isOptional()
{
return real.isOptional();
}
public void setOptional( boolean optional )
{
real.setOptional( optional );
}
public ArtifactVersion getSelectedVersion()
throws OverConstrainedVersionException
{
return real.getSelectedVersion();
}
public boolean isSelectedVersionKnown()
throws OverConstrainedVersionException
{
return real.isSelectedVersionKnown();
}
public int compareTo( Artifact o )
{
return real.compareTo( o );
}
}