core-it-support/core-it-plugins/maven-it-plugin-packaging/src/main/java/org/apache/maven/plugin/coreit/PackagingMojo.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 java.io.File;
import java.io.IOException;

/**
 * Creates an empty file to prove this goal was executed.
 * 
 * @author <a href="brett@apache.org">Brett Porter</a>
 *
 * @goal package
 */
public class PackagingMojo
    extends AbstractMojo
{

    /**
     * @parameter default-value="${project.build.finalName}"
     * @required
     */
    private String finalName;

    /**
     * @parameter default-value="${project.build.directory}"
     * @required
     * @readonly
     */
    private File outputDirectory;

    public void execute()
        throws MojoExecutionException
    {
        File jarFile = new File( outputDirectory, finalName + "-it.jar" );

        getLog().info( "[MAVEN-CORE-IT-LOG] Creating artifact file: " + jarFile );

        try
        {
            jarFile.getParentFile().mkdirs();
            jarFile.createNewFile();
        }
        catch ( IOException e )
        {
            throw new MojoExecutionException( "Error assembling JAR", e );
        }

        /*
         * NOTE: Normal packaging plugins would set the main artifact's file path now but that's beyond the purpose of
         * this test plugin. Hence there's no need to introduce further coupling with the Maven Artifact API.
         */
    }

}