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1   package org.apache.maven.model.path;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.io.File;
23  
24  import org.codehaus.plexus.component.annotations.Component;
25  
26  /**
27   * Resolves relative paths against a specific base directory.
28   *
29   * @author Benjamin Bentmann
30   */
31  @Component( role = PathTranslator.class )
32  public class DefaultPathTranslator
33      implements PathTranslator
34  {
35  
36      @Override
37      public String alignToBaseDirectory( String path, File basedir )
38      {
39          String result = path;
40  
41          if ( path != null && basedir != null )
42          {
43              path = path.replace( '\\', File.separatorChar ).replace( '/', File.separatorChar );
44  
45              File file = new File( path );
46              if ( file.isAbsolute() )
47              {
48                  // path was already absolute, just normalize file separator and we're done
49                  result = file.getPath();
50              }
51              else if ( file.getPath().startsWith( File.separator ) )
52              {
53                  // drive-relative Windows path, don't align with project directory but with drive root
54                  result = file.getAbsolutePath();
55              }
56              else
57              {
58                  // an ordinary relative path, align with project directory
59                  result = new File( new File( basedir, path ).toURI().normalize() ).getAbsolutePath();
60              }
61          }
62  
63          return result;
64      }
65  
66  }