core-it-support/core-it-plugins/maven-it-plugin-fork/src/main/java/org/apache/maven/plugin/coreit/ForkLifecycleAggregatorMojo.java

package org.apache.maven.plugin.coreit;

/*
 * 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.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.Execute;
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.List;

/**
 */
@Mojo( name = "fork-lifecycle-aggregator", aggregator = true )
@Execute( phase = LifecyclePhase.GENERATE_SOURCES, lifecycle = "foo" )
public class ForkLifecycleAggregatorMojo
    extends AbstractMojo
{

    @Parameter( defaultValue = "${project}" )
    private MavenProject project;

    @Parameter( defaultValue = "${reactorProjects}" )
    private List reactorProjects;

    public void execute()
        throws MojoExecutionException
    {
        for ( Object reactorProject : reactorProjects )
        {
            MavenProject executedProject = ( (MavenProject) reactorProject ).getExecutionProject();

            if ( !executedProject.getBuild().getFinalName().equals( TouchMojo.FINAL_NAME ) )
            {
                throw new MojoExecutionException(
                    "Unexpected result, final name of executed project " + executedProject + " is "
                        + executedProject.getBuild().getFinalName() + " (should be \'" + TouchMojo.FINAL_NAME
                        + "\')." );
            }
        }

        if ( project.getBuild().getFinalName().equals( TouchMojo.FINAL_NAME ) )
        {
            throw new MojoExecutionException(
                "forked project was polluted. (should NOT be \'" + TouchMojo.FINAL_NAME + "\')." );
        }
    }

}