RetoucheCommit


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  package org.netbeans.modules.refactoring.java.plugins;
20  
21  import java.io.IOException  ;
22  import java.util.ArrayList  ;
23  import java.util.Collection  ;
24  import org.netbeans.api.java.source.ModificationResult;
25  import org.netbeans.modules.refactoring.spi.BackupFacility;
26  import org.netbeans.modules.refactoring.spi.Transaction;
27  import org.openide.filesystems.FileObject;
28  
29  /**
30   *
31   * @author Jan Becicka
32   */
33  
34  public class RetoucheCommit implements Transaction {
35      ArrayList  <BackupFacility.Handle> ids = new ArrayList  ();
36      private boolean commited = false;
37      Collection  <ModificationResult> results;
38      
39      public RetoucheCommit(Collection  <ModificationResult> results) {
40          this.results = results;
41      }
42      
43      public void commit() {
44          try {
45              if (commited) {
46                  for (BackupFacility.Handle id:ids) {
47                      try {
48                          id.restore();
49                      } catch (IOException   ex) {
50                          throw (RuntimeException  ) new RuntimeException  ().initCause(ex);
51                      }
52                  }
53              } else {
54                  commited = true;
55                  for (ModificationResult result:results) {
56                      ids.add(BackupFacility.getDefault().backup(result.getModifiedFileObjects()));
57                      result.commit();
58                  }
59              }
60              
61          } catch (IOException   ex) {
62              throw (RuntimeException  ) new RuntimeException  ().initCause(ex);
63          }
64      }
65      
66      public void rollback() {
67          for (BackupFacility.Handle id:ids) {
68              try {
69                  id.restore();
70              } catch (IOException   ex) {
71                  throw (RuntimeException  ) new RuntimeException  ().initCause(ex);
72              }
73          }
74      }
75  }
76
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