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.project.MavenProject;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.OutputStreamWriter;
  import java.io.IOException;
  
  /**
   * @goal touch
   *
   * @phase process-sources
   */
  public class TouchMojo
      extends AbstractMojo
  {
  
      static final String FINAL_NAME = "coreitified";
  
      /**
       * @parameter default-value="${project}"
       */
      private MavenProject project;
  
      /**
       * @parameter default-value="${project.build.directory}"
       * @required
       */
      private File outputDirectory;
  
      public void execute()
          throws MojoExecutionException
      {
          getLog().info( "[MAVEN-CORE-IT-LOG] Project build directory " + project.getBuild().getDirectory() );
  
          touch( new File( project.getBuild().getDirectory() ), "touch.log" );
  
          getLog().info( "[MAVEN-CORE-IT-LOG] Using output directory " + outputDirectory );
  
          touch( outputDirectory, "touch.txt" );
  
          project.getBuild().setFinalName( FINAL_NAME );
      }
  
      static void touch( File dir, String file )
          throws MojoExecutionException
      {
          try
          {
               if ( !dir.exists() )
               {
                   dir.mkdirs();
               }
  
               File touch = new File( dir, file );
  
               // NOTE: Using append mode to track execution count
               OutputStreamWriter w = new OutputStreamWriter( new FileOutputStream( touch, true ), "UTF-8" );
  
               w.write( file );
               w.write( "\n" );
  
               w.close();
          }
          catch ( IOException e )
          {
              throw new MojoExecutionException( "Error touching file", e );
          }
      }
  
  }