package org.apache.maven.plugin.assembly.archive.archiver;
   
   /*
    * 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.codehaus.plexus.archiver.FileSet;
  import org.codehaus.plexus.components.io.fileselectors.FileSelector;
  
  import java.io.File;
  
  /**
   * @version $Id: PrefixedFileSet.java 999628 2010-09-21 20:41:59Z jdcasey $
   */
  public class PrefixedFileSet
      implements FileSet
  {
  
      private final String rootPrefix;
  
      private final FileSet fileSet;
  
      private final FileSelector[] selectors;
  
      public PrefixedFileSet( final FileSet fileSet, final String rootPrefix, final FileSelector[] selectors )
      {
          this.fileSet = fileSet;
          this.selectors = selectors;
  
          if ( rootPrefix.length() > 0 && !rootPrefix.endsWith( "/" ) )
          {
              this.rootPrefix = rootPrefix + "/";
          }
          else
          {
              this.rootPrefix = rootPrefix;
          }
      }
  
      public String[] getExcludes()
      {
          return fileSet.getExcludes();
      }
  
      public FileSelector[] getFileSelectors()
      {
          FileSelector[] sel = fileSet.getFileSelectors();
          if ( ( sel != null ) && ( selectors != null ) )
          {
              final FileSelector[] temp = new FileSelector[sel.length + selectors.length];
  
              System.arraycopy( sel, 0, temp, 0, sel.length );
              System.arraycopy( selectors, 0, temp, sel.length, selectors.length );
  
              sel = temp;
          }
          else if ( ( sel == null ) && ( selectors != null ) )
          {
              sel = selectors;
          }
  
          return sel;
      }
  
      public String[] getIncludes()
      {
          return fileSet.getIncludes();
      }
  
      public String getPrefix()
      {
          String prefix = fileSet.getPrefix();
          if ( prefix == null )
          {
              return rootPrefix;
          }
  
          if ( prefix.startsWith( "/" ) )
          {
              if ( prefix.length() > 1 )
              {
                  prefix = prefix.substring( 1 );
              }
              else
             {
                 prefix = "";
             }
         }
 
         return rootPrefix + prefix;
     }
 
     public boolean isCaseSensitive()
     {
         return fileSet.isCaseSensitive();
     }
 
     public boolean isIncludingEmptyDirectories()
     {
         return fileSet.isIncludingEmptyDirectories();
     }
 
     public boolean isUsingDefaultExcludes()
     {
         return fileSet.isUsingDefaultExcludes();
     }
 
     public File getDirectory()
     {
         return fileSet.getDirectory();
     }
 
 }