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 java.util.Iterator;

 import java.util.List;

 import org.apache.maven.artifact.DependencyResolutionRequiredException;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.project.MavenProject;

 /**

  * Combines dependency collection with aggregation. The path parameters of this mojo support the token

  * <code>&#64;artifactId&#64;</code> to dynamically adjust the output file for each project in the reactor whose

  * dependencies are dumped.

  * 

  * @goal aggregate-test

  * @requiresDependencyResolution test

  * @aggregator true

  * 

  * @author Benjamin Bentmann

  * @version $Id: AggregateTestMojo.java 809429 2009-08-30 22:24:31Z bentmann $

  */

 public class AggregateTestMojo

     extends AbstractDependencyMojo

 {

     /**

      * The path to the output file for the project artifacts, relative to the project base directory. Each line of this

      * UTF-8 encoded file specifies an artifact identifier. If not specified, the artifact list will not be written to

      * disk. Unlike the test artifacts, the collection of project artifacts additionally contains those artifacts that

      * do not contribute to the class path.

      * 

      * @parameter expression="${depres.projectArtifacts}"

      */

     private String projectArtifacts;

     /**

      * The Maven projects in the reactor.

      * 

      * @parameter default-value="${reactorProjects}"

      * @readonly

      */

     private List reactorProjects;

     /**

      * Runs this mojo.

      * 

      * @throws MojoExecutionException If the output file could not be created or any dependency could not be resolved.

      */

     public void execute()

         throws MojoExecutionException

     {

         try

         {

             for ( Iterator it = reactorProjects.iterator(); it.hasNext(); )

             {

                 MavenProject project = (MavenProject) it.next();

                 writeArtifacts( filter( projectArtifacts, project ), project.getArtifacts() );

                 // NOTE: We can't make any assumptions about the class path but as a minimum it must not cause an exception

                 project.getTestClasspathElements();

             }

         }

         catch ( DependencyResolutionRequiredException e )

         {

             throw new MojoExecutionException( "Failed to resolve dependencies", e );

         }

     }

     private String filter( String filename, MavenProject project )

     {

         String result = filename;

         if ( filename != null )

         {

             result = result.replaceAll( "@artifactId@", project.getArtifactId() );

         }

         return result;

     }

 }