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1   package net.sf.tomp.xtcl.command;
2   
3   import net.sf.tomp.xtcl.Context;
4   
5   import java.io.File;
6   
7   /***
8    * Changes the working (current) directory.
9    * 
10   * @author tomp
11   */
12  public class Cd extends FileCommand {
13      /***
14       * Changes the working (current) directory.
15       * 
16       * @param context is asked for the working directory, 
17       * working dir is set to the new one. 
18       * @return 0 (OK) if the dir exists, 1 otherwise
19       * @throws Exception DOCUMENT ME!
20       */
21      public int execute(Context context) throws Exception {
22          File newPath = context.getFile(fileName);
23  
24          context.setRealPath(newPath);
25  
26          boolean ok = newPath.exists();
27  
28          return done(context, ok ? 0 : 1);
29      }
30  
31      /***
32       * DOCUMENT ME!
33       * 
34       * @return DOCUMENT ME!
35       */
36      public String toString() {
37          return "CHDIR " + fileName;
38      }
39  }
40  
41  /*
42   * The contents of this file are subject to the Mozilla Public License Version
43   * 1.1 (the "License"); you may not use this file except in compliance with the
44   * License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
45   * Software distributed under the License is distributed on an "AS IS" basis,
46   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
47   * the specific language governing rights and limitations under the License. The
48   * Original Code is: all this file. The Initial Developer of the Original Code
49   * is: Tomas Pitner, Masaryk University in Brno, Czech Republic. Contributor(s):
50   */