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DisplayParentUpdatesMojo.java
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DisplayParentUpdatesMojo.java
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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 javax.inject.Inject;
import java.util.Map;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.manager.WagonManager;
import org.apache.maven.artifact.resolver.ArtifactResolver;
import org.apache.maven.artifact.versioning.ArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.repository.RepositorySystem;
import org.codehaus.mojo.versions.api.VersionRetrievalException;
import org.codehaus.mojo.versions.api.recording.ChangeRecorder;
import org.codehaus.mojo.versions.rewriting.ModifiedPomXMLEventReader;
import org.codehaus.mojo.versions.utils.DependencyBuilder;
/**
* Displays any updates of the project's parent project
*
* @author Stephen Connolly
* @since 2.2
*/
@Mojo( name = "display-parent-updates", threadSafe = true )
public class DisplayParentUpdatesMojo
extends AbstractVersionsDisplayMojo
{
public static final int MESSAGE_LENGTH = 68;
@Inject
public DisplayParentUpdatesMojo( RepositorySystem repositorySystem,
org.eclipse.aether.RepositorySystem aetherRepositorySystem,
WagonManager wagonManager,
ArtifactResolver artifactResolver,
Map<String, ChangeRecorder> changeRecorders )
{
super( repositorySystem, aetherRepositorySystem, wagonManager, artifactResolver, changeRecorders );
}
@Override
public void execute()
throws MojoExecutionException, MojoFailureException
{
logInit();
if ( getProject().getParent() == null )
{
logLine( false, "Project does not have a parent." );
return;
}
if ( reactorProjects.contains( getProject().getParent() ) )
{
logLine( false, "Parent project is part of the reactor." );
return;
}
String currentVersion = getProject().getParent().getVersion();
String version = currentVersion;
VersionRange versionRange;
try
{
versionRange = VersionRange.createFromVersionSpec( version );
}
catch ( InvalidVersionSpecificationException e )
{
throw new MojoExecutionException( "Invalid version range specification: " + version, e );
}
Artifact artifact = getHelper().createDependencyArtifact( DependencyBuilder.newBuilder()
.withGroupId( getProject().getParent().getGroupId() )
.withArtifactId( getProject().getParent().getArtifactId() )
.withVersion( version )
.withType( "pom" )
.build() );
ArtifactVersion artifactVersion;
try
{
artifactVersion = findLatestVersion( artifact, versionRange, null, false );
}
catch ( VersionRetrievalException e )
{
throw new MojoExecutionException( e.getMessage(), e );
}
if ( artifactVersion == null || currentVersion.equals( artifactVersion.toString() ) )
{
logLine( false, "The parent project is the latest version:" );
StringBuilder buf = new StringBuilder( MESSAGE_LENGTH );
buf.append( " " );
buf.append( getProject().getParent().getGroupId() );
buf.append( ':' );
buf.append( getProject().getParent().getArtifactId() );
buf.append( ' ' );
int padding = MESSAGE_LENGTH - currentVersion.length();
while ( buf.length() < padding )
{
buf.append( '.' );
}
buf.append( ' ' );
buf.append( currentVersion );
logLine( false, buf.toString() );
}
else
{
logLine( false, "The parent project has a newer version:" );
StringBuilder buf = new StringBuilder( MESSAGE_LENGTH );
buf.append( " " );
buf.append( getProject().getParent().getGroupId() );
buf.append( ':' );
buf.append( getProject().getParent().getArtifactId() );
buf.append( ' ' );
int padding = MESSAGE_LENGTH - currentVersion.length()
- artifactVersion.toString().length() - " -> ".length();
while ( buf.length() < padding )
{
buf.append( '.' );
}
buf.append( ' ' );
buf.append( currentVersion );
buf.append( " -> " );
buf.append( artifactVersion );
logLine( false, buf.toString() );
}
}
@Override
protected void update( ModifiedPomXMLEventReader pom )
{
}
}