package com.codehaus.mojo.vfs;
   
   /*
    * 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 org.apache.commons.vfs2.FileObject;
  import org.apache.commons.vfs2.FileSystemOptions;
  import org.apache.maven.plugin.MojoExecutionException;
  import org.apache.maven.plugin.MojoFailureException;
  import org.apache.maven.plugins.annotations.Mojo;
  import org.apache.maven.plugins.annotations.Parameter;
  import org.codehaus.mojo.vfs.MergeVfsMavenRepositories;
  import org.codehaus.mojo.vfs.internal.DefaultMergeVfsMavenRepositories;
  
  /**
   * Merge Maven repository from one VFS to another VFS
   */
  @Mojo( name = "merge-maven-repositories", requiresProject = false, threadSafe = true )
  public class MergeMavenReposVfsMojo
      extends AbstractVfsMojo
  {
  
      /**
       * Source URL
       * @since 1.0 beta 1
       */
      @Parameter( property = "source", required = true )
      private String source;
  
      /**
       * Maven settings server's source authentication id
       * @since 1.0 beta 1
       */
      @Parameter( property = "sourceId", required = false )
      private String sourceId;
  
      /**
       * Destination URL
       * @since 1.0 beta 1
       */
      @Parameter( property = "destination", required = true )
      private String destination;
  
      /**
       * Maven settings server's source authentication id
       * @since 1.0 beta 1
       */
      @Parameter( property = "destinationId", required = false )
      private String destinationId;
  
      /**
       * Staging directory to do the merging works. If not given, and random directory is used
       * @since 1.0 beta 1
       */
      @Parameter( property = "stagingDirectory", required = false, defaultValue = "${project.build.directory}/merge-staging" )
      private File stagingDirectory;
  
      /**
       * Option not to push merged content to destination repository so that you can review the merge content under
       * ${stagingDirectory}
       * @since 1.0 beta 1
       */
      @Parameter( property = "dryRun", required = false, defaultValue = "false" )
      private boolean dryRun = false;
  
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
  
          if ( !this.skip )
          {
              try
              {
                  FileSystemOptions sourceOpts = this.getFileSystemOptions( sourceId, source );
                  FileSystemOptions destOpts = this.getFileSystemOptions( destinationId, destination );
  
                  FileObject sourceRepo = getFileSystemManager().resolveFile( source, sourceOpts );
  
                  FileObject destRepo = getFileSystemManager().resolveFile( destination, destOpts );
  
                  MergeVfsMavenRepositories repoMerger = new DefaultMergeVfsMavenRepositories();
 
                 repoMerger.merge( sourceRepo, destRepo, stagingDirectory, dryRun );
 
                 if ( dryRun )
                 {
                     this.getLog().info( "Merging operetion stopped before pushing the final contents at "
                                             + this.stagingDirectory + destination );
                 }
 
             }
             catch ( Exception e )
             {
                 throw new MojoFailureException( "Unable to perform a repositories merge operation", e );
             }
         }
         else
         {
             this.getLog().info( "Skip VFS Maven repositories merge operation" );
         }
 
     }
 }