package org.apache.maven.plugin.dependency.utils.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.util.HashSet;

 import java.util.Iterator;

 import java.util.List;

 import java.util.Set;

 import org.apache.maven.artifact.Artifact;

 import org.apache.maven.artifact.repository.ArtifactRepository;

 import org.apache.maven.artifact.resolver.ArtifactNotFoundException;

 import org.apache.maven.artifact.resolver.ArtifactResolutionException;

 import org.apache.maven.artifact.resolver.ArtifactResolver;

 import org.apache.maven.plugin.MojoExecutionException;

 import org.apache.maven.plugin.logging.Log;

 /**

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

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

  */

 public class DefaultArtifactsResolver

     implements ArtifactsResolver

 {

     ArtifactResolver resolver;

     ArtifactRepository local;

     List remoteRepositories;

     boolean stopOnFailure;

     public DefaultArtifactsResolver( ArtifactResolver theResolver, ArtifactRepository theLocal,

                                     List theRemoteRepositories, boolean theStopOnFailure )

     {

         this.resolver = theResolver;

         this.local = theLocal;

         this.remoteRepositories = theRemoteRepositories;

         this.stopOnFailure = theStopOnFailure;

     }

     /*

      * (non-Javadoc)

      * 

      * @see org.apache.mojo.dependency.utils.resolvers.ArtifactsResolver#resolve(java.util.Set,

      *      org.apache.maven.plugin.logging.Log)

      */

     public Set resolve( Set artifacts, Log log )

         throws MojoExecutionException

     {

         Set resolvedArtifacts = new HashSet();

         Iterator iter = artifacts.iterator();

         while ( iter.hasNext() )

         {

             Artifact artifact = (Artifact) iter.next();

             try

             {

                 resolver.resolve( artifact, remoteRepositories, local );

                 resolvedArtifacts.add( artifact );

             }

             catch ( ArtifactResolutionException ex )

             {

                 // an error occurred during resolution, log it an continue

                 log.debug( "error resolving: " + artifact.getId() );

                 log.debug( ex );

                 if ( stopOnFailure )

                 {

                     throw new MojoExecutionException( "error resolving: " + artifact.getId(), ex );

                 }

             }

             catch ( ArtifactNotFoundException ex )

             {

                 // not found, log it and continue

                 log.debug( "not found in any repository: " + artifact.getId() );

                 if ( stopOnFailure )

                 {

                     throw new MojoExecutionException( "not found in any repository: " + artifact.getId(), ex );

                 }

             }

         }

         return resolvedArtifacts;

     }

 }