org.apache.maven.plugins.dependency.DisplayAncestorsMojo Maven / Gradle / Ivy
package org.apache.maven.plugins.dependency;
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.commons.lang3.StringUtils;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
/**
* Displays all ancestor POMs of the project. This may be useful in a continuous integration system where you want to
* know all parent poms of the project.
*
* @author Mirko Friedenhagen
* @since 2.9
*/
@Mojo( name = "display-ancestors", threadSafe = true, requiresProject = true, defaultPhase = LifecyclePhase.VALIDATE )
public class DisplayAncestorsMojo
extends AbstractMojo
{
/**
* POM
*/
@Parameter( defaultValue = "${project}", readonly = true )
private MavenProject project;
@Override
public void execute()
throws MojoExecutionException, MojoFailureException
{
final List ancestors = collectAncestors();
if ( ancestors.isEmpty() )
{
getLog().info( "No Ancestor POMs!" );
}
else
{
getLog().info( String.format( Locale.US, "Ancestor POMs: %s", StringUtils.join( ancestors, " <- " ) ) );
}
}
private ArrayList collectAncestors()
{
final ArrayList ancestors = new ArrayList<>();
MavenProject currentAncestor = project.getParent();
while ( currentAncestor != null )
{
final String gav = String.format( Locale.US, "%s:%s:%s", currentAncestor.getGroupId(),
currentAncestor.getArtifactId(), currentAncestor.getVersion() );
ancestors.add( gav );
currentAncestor = currentAncestor.getParent();
}
return ancestors;
}
}
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