001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: *
026: * The Original Software is NetBeans. The Initial Developer of the Original
027: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028: * Microsystems, Inc. All Rights Reserved.
029: *
030: * If you wish your version of this file to be governed by only the CDDL
031: * or only the GPL Version 2, indicate your decision by adding
032: * "[Contributor] elects to include this software in this distribution
033: * under the [CDDL or GPL Version 2] license." If you do not indicate a
034: * single choice of license, a recipient has the option to distribute
035: * your version of this file under either the CDDL, the GPL Version 2 or
036: * to extend the choice of license to its licensees as provided above.
037: * However, if you add GPL Version 2 code and therefore, elected the GPL
038: * Version 2 license, then the option applies only if the new code is
039: * made subject to such option by the copyright holder.
040: */
041: package org.netbeans.modules.refactoring.java.plugins;
042:
043: import java.io.File;
044: import java.io.IOException;
045: import java.util.ArrayList;
046: import java.util.Collection;
047: import java.util.Set;
048: import org.netbeans.api.java.source.ModificationResult;
049: import org.netbeans.modules.refactoring.spi.BackupFacility;
050: import org.netbeans.modules.refactoring.spi.Transaction;
051: import org.openide.filesystems.FileObject;
052: import org.openide.filesystems.FileUtil;
053: import org.openide.util.Exceptions;
054:
055: /**
056: *
057: * @author Jan Becicka
058: */
059:
060: public class RetoucheCommit implements Transaction {
061: ArrayList<BackupFacility.Handle> ids = new ArrayList();
062: private boolean commited = false;
063: Collection<ModificationResult> results;
064: private Set<File> newFiles;
065:
066: public RetoucheCommit(Collection<ModificationResult> results) {
067: this .results = results;
068: }
069:
070: public void commit() {
071: try {
072: if (commited) {
073: for (BackupFacility.Handle id : ids) {
074: try {
075: id.restore();
076: } catch (IOException ex) {
077: throw (RuntimeException) new RuntimeException()
078: .initCause(ex);
079: }
080: }
081: } else {
082: commited = true;
083: for (ModificationResult result : results) {
084: ids.add(BackupFacility.getDefault().backup(
085: result.getModifiedFileObjects()));
086: newFiles = result.getNewFiles();
087: result.commit();
088: }
089: }
090:
091: } catch (IOException ex) {
092: throw (RuntimeException) new RuntimeException()
093: .initCause(ex);
094: }
095: }
096:
097: private boolean newFilesStored = false;
098:
099: public void rollback() {
100: for (BackupFacility.Handle id : ids) {
101: try {
102: id.restore();
103: } catch (IOException ex) {
104: throw (RuntimeException) new RuntimeException()
105: .initCause(ex);
106: }
107: }
108: boolean localStored = false;
109: if (newFiles != null) {
110: for (File f : newFiles) {
111: try {
112: FileObject fo = FileUtil.toFileObject(f);
113: if (!newFilesStored) {
114: ids.add(BackupFacility.getDefault().backup(fo));
115: localStored = true;
116: }
117: fo.delete();
118: } catch (IOException ex) {
119: Exceptions.printStackTrace(ex);
120: }
121: }
122: newFilesStored |= localStored;
123: }
124: }
125: }
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