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.util.List;
  
  import org.apache.commons.vfs2.FileObject;
  import org.apache.commons.vfs2.FileSystemException;
  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.VfsFileSet;
  import org.codehaus.mojo.vfs.VfsFileSetManager;
  import org.codehaus.mojo.vfs.VfsUtils;
  import org.codehaus.mojo.vfs.internal.DefaultVfsFileSetManager;
  import org.codehaus.plexus.util.StringUtils;
  import org.sonatype.plexus.components.sec.dispatcher.SecDispatcherException;
  
  /**
   * Display file list of a virtual file system.
   */
  @Mojo( name = "list", requiresProject = false, threadSafe = true )
  public class ListVfsMojo
      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;
  
      /**
       * Comma separated ANT include format
       * @since 1.0 beta 1
       */
      @Parameter( property = "includes", required = false )
      private String includes;
  
      /**
       * Comma separated ANT exclude format
       * @since 1.0 beta 1
       */
      @Parameter( property = "excludes", required = false )
      private String excludes;
  
      public void execute()
          throws MojoExecutionException, MojoFailureException
      {
          if ( skip )
          {
              this.getLog().info( "Skip VFS list operation" );
              return;
          }
  
          MojoVfsFileSet fileset = new MojoVfsFileSet();
  
          fileset.setSource( source );
          fileset.setSourceId( sourceId );
  
          if ( !StringUtils.isBlank( includes ) )
          {
              fileset.setIncludes( StringUtils.split( includes, "," ) );
          }
  
          if ( !StringUtils.isBlank( excludes ) )
          {
              fileset.setExcludes( StringUtils.split( excludes, "," ) );
          }
  
          try
          {
              FileSystemOptions serverOptions = this.getFileSystemOptions( sourceId, source );
             VfsFileSet vfsFileSet = new VfsFileSet();
             vfsFileSet.copyBase( fileset );
 
             FileObject sourceObj = getFileSystemManager().resolveFile( fileset.getSource(), serverOptions );
             vfsFileSet.setSource( sourceObj );
 
             VfsFileSetManager fileSetManager = new DefaultVfsFileSetManager();
             List<FileObject> list = fileSetManager.list( vfsFileSet );
 
             this.getLog().info( "Directory list: " );
             for ( FileObject fo : list )
             {
                 this.getLog().info( VfsUtils.getRelativePath( sourceObj, fo ) );
             }
         }
         catch ( FileSystemException e )
         {
             throw new MojoFailureException( "Unable to perform a list operation", e );
         }
         catch ( SecDispatcherException e )
         {
             throw new MojoFailureException( "Unable to perform a list operation", e );
         }
     }
 }