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;

     }

 }