package org.apache.maven.project.path;
   
   /*
    * 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.apache.maven.model.Build;
  import org.apache.maven.model.Model;
  import org.apache.maven.model.Resource;
  
  import java.io.File;
  import java.util.ArrayList;
  import java.util.Iterator;
  import java.util.List;
  
  public class DefaultPathTranslator
      implements PathTranslator
  {
  
      public void alignToBaseDirectory( Model model, File basedir )
      {
          Build build = model.getBuild();
  
          if ( build != null )
          {
              build.setDirectory( alignToBaseDirectory( build.getDirectory(), basedir ) );
  
              build.setSourceDirectory( alignToBaseDirectory( build.getSourceDirectory(), basedir ) );
  
              build.setTestSourceDirectory( alignToBaseDirectory( build.getTestSourceDirectory(), basedir ) );
  
              for ( Iterator i = build.getResources().iterator(); i.hasNext(); )
              {
                  Resource resource = (Resource) i.next();
  
                  resource.setDirectory( alignToBaseDirectory( resource.getDirectory(), basedir ) );
              }
  
              for ( Iterator i = build.getTestResources().iterator(); i.hasNext(); )
              {
                  Resource resource = (Resource) i.next();
  
                  resource.setDirectory( alignToBaseDirectory( resource.getDirectory(), basedir ) );
              }
  
              if ( build.getFilters() != null )
              {
                  List filters = new ArrayList();
                  for ( Iterator i = build.getFilters().iterator(); i.hasNext(); )
                  {
                      String filter = (String) i.next();
  
                      filters.add( alignToBaseDirectory( filter, basedir ) );
                  }
                  build.setFilters( filters );
              }
  
              build.setOutputDirectory( alignToBaseDirectory( build.getOutputDirectory(), basedir ) );
  
              build.setTestOutputDirectory( alignToBaseDirectory( build.getTestOutputDirectory(), basedir ) );
          }
      }
  
      public String alignToBaseDirectory( String path, File basedir )
      {
          if ( path == null )
          {
              return null;
          }
  
          String s = stripBasedirToken( path );
  
          File file = new File( s );
          if ( file.isAbsolute() )
          {
              // path was already absolute, just normalize file separator and we're done
              s = file.getPath();
          }
          else if ( file.getPath().startsWith( File.separator ) )
          {
              // drive-relative Windows path, don't align with project directory but with drive root
              s = file.getAbsolutePath();
          }
          else
         {
             // an ordinary relative path, align with project directory
             s = new File( new File( basedir, s ).toURI().normalize() ).getAbsolutePath();
         }
 
         return s;
     }
 
     private String stripBasedirToken( String s )
     {
         String basedirExpr = "${basedir}";
 
         if ( s != null )
         {
             s = s.trim();
 
             if ( s.startsWith( basedirExpr ) )
             {
                 if ( s.length() > basedirExpr.length() )
                 {
                     // Take out ${basedir} and the leading slash
                     s = s.substring( basedirExpr.length() + 1 );
                 }
                 else
                 {
                     s = ".";
                 }
             }
         }
 
         return s;
     }
 
     public void unalignFromBaseDirectory( Model model, File basedir )
     {
         Build build = model.getBuild();
 
         if ( build != null )
         {
             build.setDirectory( unalignFromBaseDirectory( build.getDirectory(), basedir ) );
 
             build.setSourceDirectory( unalignFromBaseDirectory( build.getSourceDirectory(), basedir ) );
 
             build.setTestSourceDirectory( unalignFromBaseDirectory( build.getTestSourceDirectory(), basedir ) );
 
             for ( Iterator i = build.getResources().iterator(); i.hasNext(); )
             {
                 Resource resource = (Resource) i.next();
 
                 resource.setDirectory( unalignFromBaseDirectory( resource.getDirectory(), basedir ) );
             }
 
             for ( Iterator i = build.getTestResources().iterator(); i.hasNext(); )
             {
                 Resource resource = (Resource) i.next();
 
                 resource.setDirectory( unalignFromBaseDirectory( resource.getDirectory(), basedir ) );
             }
 
             if ( build.getFilters() != null )
             {
                 List filters = new ArrayList();
                 for ( Iterator i = build.getFilters().iterator(); i.hasNext(); )
                 {
                     String filter = (String) i.next();
 
                     filters.add( unalignFromBaseDirectory( filter, basedir ) );
                 }
                 build.setFilters( filters );
             }
 
             build.setOutputDirectory( unalignFromBaseDirectory( build.getOutputDirectory(), basedir ) );
 
             build.setTestOutputDirectory( unalignFromBaseDirectory( build.getTestOutputDirectory(), basedir ) );
         }
     }
 
     public String unalignFromBaseDirectory( String directory, File basedir )
     {
         String path = basedir.getPath();
         if ( directory.startsWith( path ) )
         {
             directory = directory.substring( path.length() + 1 ).replace( '\\', '/' );
         }
         return directory;
     }
 
 }