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:
042: package org.netbeans.modules.project.ant;
043:
044: import java.io.IOException;
045: import javax.swing.SwingUtilities;
046: import org.openide.DialogDisplayer;
047: import org.openide.NotifyDescriptor;
048: import org.openide.util.NbBundle;
049: import org.openide.util.UserQuestionException;
050:
051: /**
052: * Deals with {@link UserQuestionException}s.
053: * @see "#46089"
054: * @author Jesse Glick
055: */
056: public final class UserQuestionHandler {
057:
058: private UserQuestionHandler() {
059: }
060:
061: /**
062: * Handle a user question exception later (in the event thread).
063: * Displays a dialog and invokes the appropriate method on the callback.
064: * The callback will be notified in the event thread.
065: * Use when catching {@link UserQuestionException} during {@link FileObject#lock}.
066: */
067: public static void handle(final UserQuestionException e,
068: final Callback callback) {
069: SwingUtilities.invokeLater(new Runnable() {
070: public void run() {
071: NotifyDescriptor.Confirmation desc = new NotifyDescriptor.Confirmation(
072: e.getLocalizedMessage(), NbBundle.getMessage(
073: UserQuestionHandler.class,
074: "TITLE_CannotWriteFile"),
075: NotifyDescriptor.Confirmation.OK_CANCEL_OPTION);
076: if (DialogDisplayer.getDefault().notify(desc).equals(
077: NotifyDescriptor.OK_OPTION)) {
078: try {
079: e.confirmed();
080: callback.accepted();
081: } catch (IOException x) {
082: callback.error(x);
083: }
084: } else {
085: callback.denied();
086: }
087: }
088: });
089: }
090:
091: /**
092: * Intended behavior.
093: */
094: public interface Callback {
095:
096: /**
097: * Called later if the user accepted the question.
098: */
099: void accepted();
100:
101: /**
102: * Called later if the user denied the question.
103: */
104: void denied();
105:
106: /**
107: * Called later if the user accepted the question but there was in fact a problem.
108: */
109: void error(IOException e);
110:
111: }
112:
113: }
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