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package org.apache.maven.artifact.resolver;
/*
* 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 java.util.HashSet;
import java.util.Set;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;
import org.codehaus.plexus.logging.Logger;
/**
* Send resolution events to the debug log.
*
* @author <a href="mailto:brett@apache.org">Brett Porter</a>
*/
public class DebugResolutionListener
implements ResolutionListener, ResolutionListenerForDepMgmt
{
private Logger logger;
private String indent = "";
private static Set<Artifact> ignoredArtifacts = new HashSet<Artifact>();
public DebugResolutionListener( Logger logger )
{
this.logger = logger;
}
public void testArtifact( Artifact node )
{
}
public void startProcessChildren( Artifact artifact )
{
indent += " ";
}
public void endProcessChildren( Artifact artifact )
{
indent = indent.substring( 2 );
}
public void includeArtifact( Artifact artifact )
{
logger.debug( indent + artifact + " (selected for " + artifact.getScope() + ")" );
}
public void omitForNearer( Artifact omitted, Artifact kept )
{
String omittedVersion = omitted.getVersion();
String keptVersion = kept.getVersion();
if ( omittedVersion != null ? !omittedVersion.equals( keptVersion ) : keptVersion != null )
{
logger.debug( indent + omitted + " (removed - nearer found: " + kept.getVersion() + ")" );
}
}
public void omitForCycle( Artifact omitted )
{
logger.debug( indent + omitted + " (removed - causes a cycle in the graph)" );
}
public void updateScopeCurrentPom( Artifact artifact, String ignoredScope )
{
logger.debug( indent + artifact + " (not setting artifactScope to: " + ignoredScope + "; local artifactScope "
+ artifact.getScope() + " wins)" );
// TODO: better way than static? this might hide messages in a reactor
if ( !ignoredArtifacts.contains( artifact ) )
{
logger.warn( "\n\tArtifact " + artifact + " retains local artifactScope '" + artifact.getScope()
+ "' overriding broader artifactScope '" + ignoredScope + "'\n"
+ "\tgiven by a dependency. If this is not intended, modify or remove the local artifactScope.\n" );
ignoredArtifacts.add( artifact );
}
}
public void updateScope( Artifact artifact, String scope )
{
logger.debug( indent + artifact + " (setting artifactScope to: " + scope + ")" );
}
public void selectVersionFromRange( Artifact artifact )
{
logger.debug( indent + artifact + " (setting version to: " + artifact.getVersion() + " from range: "
+ artifact.getVersionRange() + ")" );
}
public void restrictRange( Artifact artifact, Artifact replacement, VersionRange newRange )
{
logger.debug( indent + artifact + " (range restricted from: " + artifact.getVersionRange() + " and: "
+ replacement.getVersionRange() + " to: " + newRange + " )" );
}
/**
* The logic used here used to be a copy of the logic used in the DefaultArtifactCollector, and this method was
* called right before the actual version/artifactScope changes were done. However, a different set of conditionals (and
* more information) is needed to be able to determine when and if the version and/or artifactScope changes. See the two
* added methods, manageArtifactVersion and manageArtifactScope.
*/
public void manageArtifact( Artifact artifact, Artifact replacement )
{
String msg = indent + artifact;
msg += " (";
if ( replacement.getVersion() != null )
{
msg += "applying version: " + replacement.getVersion() + ";";
}
if ( replacement.getScope() != null )
{
msg += "applying artifactScope: " + replacement.getScope();
}
msg += ")";
logger.debug( msg );
}
public void manageArtifactVersion( Artifact artifact, Artifact replacement )
{
// only show msg if a change is actually taking place
if ( !replacement.getVersion().equals( artifact.getVersion() ) )
{
String msg = indent + artifact + " (applying version: " + replacement.getVersion() + ")";
logger.debug( msg );
}
}
public void manageArtifactScope( Artifact artifact, Artifact replacement )
{
// only show msg if a change is actually taking place
if ( !replacement.getScope().equals( artifact.getScope() ) )
{
String msg = indent + artifact + " (applying artifactScope: " + replacement.getScope() + ")";
logger.debug( msg );
}
}
public void manageArtifactSystemPath( Artifact artifact, Artifact replacement )
{
// only show msg if a change is actually taking place
if ( !replacement.getScope().equals( artifact.getScope() ) )
{
String msg = indent + artifact + " (applying system path: " + replacement.getFile() + ")";
logger.debug( msg );
}
}
}
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