package org.apache.maven.plugin.dependency.utils.filters;
   
   /*
    * 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.HashSet;
  import java.util.Set;
  
  import org.apache.maven.artifact.Artifact;
  import org.apache.maven.plugin.dependency.fromConfiguration.ArtifactItem;
  import org.apache.maven.plugin.dependency.utils.DependencyUtil;
  import org.apache.maven.shared.artifact.filter.collection.AbstractArtifactsFilter;
  import org.apache.maven.shared.artifact.filter.collection.ArtifactFilterException;
  import org.codehaus.plexus.util.StringUtils;
  
  /**
   * @author <a href="mailto:brianf@apache.org">Brian Fox</a>
   * @version $Id: DestFileFilter.java 1085967 2011-03-27 15:51:44Z hboutemy $
   */
  public class DestFileFilter
      extends AbstractArtifactsFilter
      implements ArtifactItemFilter
  {
      private boolean overWriteReleases;
  
      private boolean overWriteSnapshots;
  
      private boolean overWriteIfNewer;
  
      private boolean useSubDirectoryPerArtifact;
  
      private boolean useSubDirectoryPerType;
  
      private boolean useSubDirectoryPerScope;
  
      private boolean useRepositoryLayout;
  
      private boolean removeVersion;
  
      private File outputFileDirectory;
  
      public DestFileFilter( File outputFileDirectory )
      {
          this.outputFileDirectory = outputFileDirectory;
          overWriteReleases = false;
          overWriteIfNewer = false;
          overWriteSnapshots = false;
          useSubDirectoryPerArtifact = false;
          useSubDirectoryPerType = false;
          useSubDirectoryPerScope = false;
          removeVersion = false;
      }
  
      public DestFileFilter( boolean overWriteReleases, boolean overWriteSnapshots, boolean overWriteIfNewer,
                            boolean useSubDirectoryPerArtifact, boolean useSubDirectoryPerType, boolean useSubDirectoryPerScope,
                            boolean useRepositoryLayout, boolean removeVersion, File outputFileDirectory )
      {
          this.overWriteReleases = overWriteReleases;
          this.overWriteSnapshots = overWriteSnapshots;
          this.overWriteIfNewer = overWriteIfNewer;
          this.useSubDirectoryPerArtifact = useSubDirectoryPerArtifact;
          this.useSubDirectoryPerType = useSubDirectoryPerType;
          this.useSubDirectoryPerScope = useSubDirectoryPerScope;
          this.useRepositoryLayout = useRepositoryLayout;
          this.removeVersion = removeVersion;
          this.outputFileDirectory = outputFileDirectory;
      }
  
      /*
       * (non-Javadoc)
       * 
       * @see org.apache.mojo.dependency.utils.filters.ArtifactsFilter#filter(java.util.Set,
       *      org.apache.maven.plugin.logging.Log)
       */
      public Set filter( Set artifacts )
          throws ArtifactFilterException
      {
          Set<Artifact> artifacts_ = artifacts;
          Set<Artifact> result = new HashSet<Artifact>();
          
          for( Artifact artifact : artifacts_ )
          {
             if ( isArtifactIncluded( new ArtifactItem( artifact ) ) )
             {
                 result.add( artifact );
             }
         }
         return result;
     }
 
     /**
      * @return Returns the overWriteReleases.
      */
     public boolean isOverWriteReleases()
     {
         return this.overWriteReleases;
     }
 
     /**
      * @param overWriteReleases
      *            The overWriteReleases to set.
      */
     public void setOverWriteReleases( boolean overWriteReleases )
     {
         this.overWriteReleases = overWriteReleases;
     }
 
     /**
      * @return Returns the overWriteSnapshots.
      */
     public boolean isOverWriteSnapshots()
     {
         return this.overWriteSnapshots;
     }
 
     /**
      * @param overWriteSnapshots
      *            The overWriteSnapshots to set.
      */
     public void setOverWriteSnapshots( boolean overWriteSnapshots )
     {
         this.overWriteSnapshots = overWriteSnapshots;
     }
 
     /**
      * @return Returns the overWriteIfNewer.
      */
     public boolean isOverWriteIfNewer()
     {
         return this.overWriteIfNewer;
     }
 
     /**
      * @param overWriteIfNewer
      *            The overWriteIfNewer to set.
      */
     public void setOverWriteIfNewer( boolean overWriteIfNewer )
     {
         this.overWriteIfNewer = overWriteIfNewer;
     }
 
     /**
      * @return Returns the outputFileDirectory.
      */
     public File getOutputFileDirectory()
     {
         return this.outputFileDirectory;
     }
 
     /**
      * @param outputFileDirectory
      *            The outputFileDirectory to set.
      */
     public void setOutputFileDirectory( File outputFileDirectory )
     {
         this.outputFileDirectory = outputFileDirectory;
     }
 
     /**
      * @return Returns the removeVersion.
      */
     public boolean isRemoveVersion()
     {
         return this.removeVersion;
     }
 
     /**
      * @param removeVersion
      *            The removeVersion to set.
      */
     public void setRemoveVersion( boolean removeVersion )
     {
         this.removeVersion = removeVersion;
     }
 
     /**
      * @return Returns the useSubDirectoryPerArtifact.
      */
     public boolean isUseSubDirectoryPerArtifact()
     {
         return this.useSubDirectoryPerArtifact;
     }
 
     /**
      * @param useSubDirectoryPerArtifact
      *            The useSubDirectoryPerArtifact to set.
      */
     public void setUseSubDirectoryPerArtifact( boolean useSubDirectoryPerArtifact )
     {
         this.useSubDirectoryPerArtifact = useSubDirectoryPerArtifact;
     }
 
     /**
      * @return Returns the useSubDirectoryPerType.
      */
     public boolean isUseSubDirectoryPerType()
     {
         return this.useSubDirectoryPerType;
     }
 
     /**
      * @param useSubDirectoryPerType
      *            The useSubDirectoryPerType to set.
      */
     public void setUseSubDirectoryPerType( boolean useSubDirectoryPerType )
     {
         this.useSubDirectoryPerType = useSubDirectoryPerType;
     }
 
     /**
      * 
      * @return Returns the useRepositoryLayout
      */
     public boolean isUseRepositoryLayout()
     {
         return useRepositoryLayout;
     }
 
     /**
      * 
      * @param useRepositoryLayout
      *            the useRepositoryLayout to set
      */
     public void setUseRepositoryLayout( boolean useRepositoryLayout )
     {
         this.useRepositoryLayout = useRepositoryLayout;
     }
 
     public boolean isArtifactIncluded( ArtifactItem item )
     {
         Artifact artifact = item.getArtifact();
 
         boolean overWrite =
             ( artifact.isSnapshot() && this.overWriteSnapshots )
             || ( !artifact.isSnapshot() && this.overWriteReleases );
 
         File destFolder = item.getOutputDirectory();
         if ( destFolder == null )
         {
             destFolder = DependencyUtil.getFormattedOutputDirectory( useSubDirectoryPerScope, useSubDirectoryPerType,
                                                                      useSubDirectoryPerArtifact, useRepositoryLayout,
                                                                      removeVersion, this.outputFileDirectory, artifact );
         }
 
         File destFile = null;
         if ( StringUtils.isEmpty( item.getDestFileName() ) )
         {
             destFile = new File( destFolder, DependencyUtil.getFormattedFileName( artifact, this.removeVersion ) );
         }
         else
         {
             destFile = new File( destFolder, item.getDestFileName() );
         }
 
         return overWrite || !destFile.exists()
             || ( overWriteIfNewer && artifact.getFile().lastModified() > destFile.lastModified() );
     }
 }