package org.apache.maven.plugin.dependency;
   
   /*
    * 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.File;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
  import org.apache.maven.artifact.resolver.ArtifactResolutionException;
  import org.apache.maven.artifact.resolver.filter.ScopeArtifactFilter;
  import org.apache.maven.plugin.dependency.utils.DependencyUtil;
  import org.apache.maven.plugins.annotations.Component;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.apache.maven.project.MavenProject;
  import org.apache.maven.project.MavenProjectBuilder;
  import org.apache.maven.project.ProjectBuildingException;
  import org.apache.maven.project.artifact.InvalidDependencyVersionException;
  import org.apache.maven.shared.artifact.filter.collection.ArtifactIdFilter;
  import org.apache.maven.shared.artifact.filter.collection.ClassifierFilter;
  import org.apache.maven.shared.artifact.filter.collection.FilterArtifacts;
  import org.apache.maven.shared.artifact.filter.collection.GroupIdFilter;
  import org.apache.maven.shared.artifact.filter.collection.ScopeFilter;
  import org.apache.maven.shared.artifact.filter.collection.TypeFilter;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   * @version $Id: AbstractResolveMojo.java 1448351 2013-02-20 19:02:48Z jdcasey $
   */
  public abstract class AbstractResolveMojo
      extends AbstractDependencyFilterMojo
  {
      /**
       * Project builder -- builds a model from a pom.xml
       */
      @Component
      protected MavenProjectBuilder mavenProjectBuilder;
  
      /**
       * If specified, this parameter will cause the dependencies to be written to the path specified, instead of writing
       * to the console.
       *
       * @since 2.0
       */
      @Parameter( property = "outputFile" )
      protected File outputFile;
  
      /**
       * This method resolves the dependency artifacts from the project.
       *
       * @param theProject
       *            The POM.
       * @return resolved set of dependency artifacts.
       *
       * @throws ArtifactResolutionException
       * @throws ArtifactNotFoundException
       * @throws InvalidDependencyVersionException
       */
  
      /**
       * Whether to append outputs into the output file or overwrite it.
       *
       * @since 2.2
       */
      @Parameter( property = "appendOutput", defaultValue = "false" )
      protected boolean appendOutput;
  
      /**
       * Don't resolve plugins that are in the current reactor. 
       * Only works for plugins at the moment.
       * 
       * @since 2.7
       */
      @Parameter( property = "excludeReactor", defaultValue = "true" )
      protected boolean excludeReactor;
  
      protected FilterArtifacts getPluginArtifactsFilter()
      {
          if ( excludeReactor )
          {
              final StringBuilder exAids = new StringBuilder();
              if ( this.excludeArtifactIds != null )
             {
                 exAids.append( this.excludeArtifactIds );
             }
 
             for ( final MavenProject rp : reactorProjects )
             {
                 if ( !"maven-plugin".equals( rp.getPackaging() ) )
                 {
                     continue;
                 }
 
                 if ( exAids.length() > 0 )
                 {
                     exAids.append( "," );
                 }
 
                 exAids.append( rp.getArtifactId() );
             }
 
             this.excludeArtifactIds = exAids.toString();
         }
 
         final FilterArtifacts filter = new FilterArtifacts();
 
         filter.addFilter( new ScopeFilter( DependencyUtil.cleanToBeTokenizedString( this.includeScope ),
                                            DependencyUtil.cleanToBeTokenizedString( this.excludeScope ) ) );
 
         filter.addFilter( new TypeFilter( DependencyUtil.cleanToBeTokenizedString( this.includeTypes ),
                                           DependencyUtil.cleanToBeTokenizedString( this.excludeTypes ) ) );
 
         filter.addFilter( new ClassifierFilter( DependencyUtil.cleanToBeTokenizedString( this.includeClassifiers ),
                                                 DependencyUtil.cleanToBeTokenizedString( this.excludeClassifiers ) ) );
 
         filter.addFilter( new GroupIdFilter( DependencyUtil.cleanToBeTokenizedString( this.includeGroupIds ),
                                              DependencyUtil.cleanToBeTokenizedString( this.excludeGroupIds ) ) );
 
         filter.addFilter( new ArtifactIdFilter( DependencyUtil.cleanToBeTokenizedString( this.includeArtifactIds ),
                                                 DependencyUtil.cleanToBeTokenizedString( this.excludeArtifactIds ) ) );
 
         return filter;
     }
 
     protected Set<Artifact> resolveDependencyArtifacts( final MavenProject theProject )
         throws ArtifactResolutionException, ArtifactNotFoundException, InvalidDependencyVersionException
     {
         final Set<Artifact> artifacts =
             theProject.createArtifacts( this.factory, Artifact.SCOPE_TEST,
                                         new ScopeArtifactFilter( Artifact.SCOPE_TEST ) );
 
         for ( final Artifact artifact : artifacts )
         {
             // resolve the new artifact
             this.resolver.resolve( artifact, this.remoteRepos, this.getLocal() );
         }
         return artifacts;
     }
 
     /**
      * This method resolves all transitive dependencies of an artifact.
      *
      * @param artifact the artifact used to retrieve dependencies
      * @return resolved set of dependencies
      * @throws ArtifactResolutionException
      * @throws ArtifactNotFoundException
      * @throws ProjectBuildingException
      * @throws InvalidDependencyVersionException
      *
      */
     protected Set<Artifact> resolveArtifactDependencies( final Artifact artifact )
         throws ArtifactResolutionException, ArtifactNotFoundException, ProjectBuildingException,
         InvalidDependencyVersionException
     {
         final Artifact pomArtifact =
             this.factory.createArtifact( artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), "",
                                          "pom" );
 
         final MavenProject pomProject =
             mavenProjectBuilder.buildFromRepository( pomArtifact, this.remoteRepos, this.getLocal() );
 
         return resolveDependencyArtifacts( pomProject );
     }
 }