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package org.codehaus.mojo.versions;
/*
* 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.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.xml.stream.XMLStreamException;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.model.Dependency;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.project.MavenProject;
import org.codehaus.mojo.versions.api.PomHelper;
import org.codehaus.mojo.versions.rewriting.ModifiedPomXMLEventReader;
/**
* Attempts to resolve unlocked snapshot dependency versions to the locked timestamp versions used in the build. For
* example, an unlocked snapshot version like "1.0-SNAPSHOT" could be resolved to "1.0-20090128.202731-1". If a
* timestamped snapshot is not available, then the version will remained unchanged. This would be the case if the
* dependency is only available in the local repository and not in a remote snapshot repository.
*
* @author Paul Gier
* @since 1.0-alpha-3
*/
@Mojo( name = "lock-snapshots", requiresProject = true, requiresDirectInvocation = true )
public class LockSnapshotsMojo
extends AbstractVersionsDependencyUpdaterMojo
{
// ------------------------------ FIELDS ------------------------------
/**
* Pattern to match a timestamped snapshot version. For example 1.0-20090128.202731-1
*/
public final Pattern matchSnapshotRegex = Pattern.compile( "-" + Artifact.SNAPSHOT_VERSION );
// ------------------------------ METHODS --------------------------
/**
* @param pom the pom to update.
* @throws MojoExecutionException when things go wrong
* @throws MojoFailureException when things go wrong in a very bad way
* @throws XMLStreamException when things go wrong with XML streaming
* @see AbstractVersionsUpdaterMojo#update(ModifiedPomXMLEventReader)
*/
protected void update( ModifiedPomXMLEventReader pom )
throws MojoExecutionException, MojoFailureException, XMLStreamException
{
if ( getProject().getDependencyManagement() != null && isProcessingDependencyManagement() )
{
lockSnapshots( pom, getProject().getDependencyManagement().getDependencies() );
}
if ( isProcessingDependencies() )
{
lockSnapshots( pom, getProject().getDependencies() );
}
if ( isProcessingParent() )
{
lockParentSnapshot( pom, getProject().getParent() );
}
}
private void lockSnapshots( ModifiedPomXMLEventReader pom, Collection dependencies )
throws XMLStreamException, MojoExecutionException
{
for ( Dependency dep : dependencies )
{
if ( isExcludeReactor() && isProducedByReactor( dep ) )
{
getLog().info( "Ignoring reactor dependency: " + toString( dep ) );
continue;
}
if ( !isIncluded( this.toArtifact( dep ) ) )
{
continue;
}
String version = dep.getVersion();
Matcher versionMatcher = matchSnapshotRegex.matcher( version );
if ( versionMatcher.find() && versionMatcher.end() == version.length() )
{
String lockedVersion = resolveSnapshotVersion( dep );
if ( !version.equals( lockedVersion ) )
{
if ( PomHelper.setDependencyVersion( pom, dep.getGroupId(), dep.getArtifactId(), version,
lockedVersion, getProject().getModel() ) )
{
getLog().info( "Locked " + toString( dep ) + " to version " + lockedVersion );
}
}
}
}
}
private void lockParentSnapshot( ModifiedPomXMLEventReader pom, MavenProject parent )
throws XMLStreamException, MojoExecutionException
{
if ( parent == null )
{
getLog().info( "Project does not have a parent" );
return;
}
if ( reactorProjects.contains( parent ) )
{
getLog().info( "Project's parent is part of the reactor" );
return;
}
Artifact parentArtifact = parent.getArtifact();
String parentVersion = parentArtifact.getVersion();
Matcher versionMatcher = matchSnapshotRegex.matcher( parentVersion );
if ( versionMatcher.find() && versionMatcher.end() == parentVersion.length() )
{
String lockedParentVersion = resolveSnapshotVersion( parentArtifact );
if ( !parentVersion.equals( lockedParentVersion ) )
{
if ( PomHelper.setProjectParentVersion( pom, lockedParentVersion ) )
{
getLog().info( "Locked parent " + parentArtifact.toString() + " to version "
+ lockedParentVersion );
}
}
}
}
/**
* Determine the timestamp version of the snapshot artifact used in the build.
*
* @param artifact
* @return The timestamp version if exists, otherwise the original snapshot artifact version is returned.
*/
private String resolveSnapshotVersion( Artifact artifact )
{
getLog().debug( "Resolving snapshot version for artifact: " + artifact );
String lockedVersion = artifact.getVersion();
try
{
resolver.resolve( artifact, getProject().getRemoteArtifactRepositories(), localRepository );
lockedVersion = artifact.getVersion();
}
catch ( Exception e )
{
getLog().error( e );
}
return lockedVersion;
}
/**
* Determine the timestamp version of the snapshot dependency used in the build.
*
* @param dep
* @return The timestamp version if exists, otherwise the original snapshot dependency version is returned.
*/
private String resolveSnapshotVersion( Dependency dep )
{
getLog().debug( "Resolving snapshot version for dependency: " + dep );
String lockedVersion = dep.getVersion();
try
{
Artifact depArtifact =
artifactFactory.createDependencyArtifact( dep.getGroupId(), dep.getArtifactId(),
VersionRange.createFromVersionSpec( dep.getVersion() ),
dep.getType(), dep.getClassifier(), dep.getScope() );
resolver.resolve( depArtifact, getProject().getRemoteArtifactRepositories(), localRepository );
lockedVersion = depArtifact.getVersion();
}
catch ( Exception e )
{
getLog().error( e );
}
return lockedVersion;
}
}
