package org.apache.maven.plugin.dependency.resolvers;

 /*

  * 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.io.IOException;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.dependency.AbstractResolveMojo;

 import org.apache.maven.plugin.dependency.utils.DependencyStatusSets;

 import org.apache.maven.plugin.dependency.utils.DependencyUtil;

 import org.apache.maven.plugin.dependency.utils.filters.ResolveFileFilter;

 import org.apache.maven.plugin.dependency.utils.markers.SourcesFileMarkerHandler;

 import org.apache.maven.shared.artifact.filter.collection.ArtifactsFilter;

 /**

  * Goal that resolves the project dependencies from the repository.

  * 

  * @goal resolve

  * @requiresDependencyResolution test

  * @phase generate-sources

  * @author <a href="mailto:brianf@apache.org">Brian Fox</a>

  * @version $Id: ResolveDependenciesMojo.java 728546 2008-12-21 22:56:51Z bentmann $

  * @since 2.0

  */

 public class ResolveDependenciesMojo

     extends AbstractResolveMojo

 {

     /**

      * If we should display the scope when resolving

      * 

      * @parameter expression="${mdep.outputScope}" default-value="true"

      * @since 2.0-alpha-2

      */

     protected boolean outputScope;

     /**

      * Only used to store results for integration test validation

      */

     DependencyStatusSets results;

     /**

      * Main entry into mojo. Gets the list of dependencies and iterates through displaying the resolved version.

      * 

      * @throws MojoExecutionException with a message if an error occurs.

      */

     public void execute()

         throws MojoExecutionException

     {

         // get sets of dependencies

         results = this.getDependencySets( false );

         String output = results.getOutput( outputAbsoluteArtifactFilename, outputScope );

         try

         {

             if ( outputFile == null )

             {

                 DependencyUtil.log( output, getLog() );

             }

             else

             {

                 DependencyUtil.write( output, outputFile, getLog() );

             }

         }

         catch ( IOException e )

         {

             throw new MojoExecutionException(e.getMessage(),e);

         }

     }

     /**

      * @return Returns the results.

      */

     public DependencyStatusSets getResults()

     {

         return this.results;

     }

     protected ArtifactsFilter getMarkedArtifactFilter()

     {

         return new ResolveFileFilter( new SourcesFileMarkerHandler( this.markersDirectory ) );

     }

 }