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 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.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 java.io.File;

 import java.util.Set;

 /**

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

  * @version $Id: AbstractResolveMojo.java 1357251 2012-07-04 13:28:33Z olamy $

  */

 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;

     protected Set<Artifact> resolveDependencyArtifacts( MavenProject theProject )

         throws ArtifactResolutionException, ArtifactNotFoundException, InvalidDependencyVersionException

     {

         Set<Artifact> artifacts = theProject.createArtifacts( this.factory, Artifact.SCOPE_TEST,

                                                               new ScopeArtifactFilter( Artifact.SCOPE_TEST ) );

         for ( 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( Artifact artifact )

         throws ArtifactResolutionException, ArtifactNotFoundException, ProjectBuildingException,

         InvalidDependencyVersionException

     {

         Artifact pomArtifact =

             this.factory.createArtifact( artifact.getGroupId(), artifact.getArtifactId(), artifact.getVersion(), "",

                                          "pom" );

         MavenProject pomProject =

             mavenProjectBuilder.buildFromRepository( pomArtifact, this.remoteRepos, this.getLocal() );

         return resolveDependencyArtifacts( pomProject );

     }

 }