01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * If you wish your version of this file to be governed by only the CDDL
25: * or only the GPL Version 2, indicate your decision by adding
26: * "[Contributor] elects to include this software in this distribution
27: * under the [CDDL or GPL Version 2] license." If you do not indicate a
28: * single choice of license, a recipient has the option to distribute
29: * your version of this file under either the CDDL, the GPL Version 2 or
30: * to extend the choice of license to its licensees as provided above.
31: * However, if you add GPL Version 2 code and therefore, elected the GPL
32: * Version 2 license, then the option applies only if the new code is
33: * made subject to such option by the copyright holder.
34: *
35: * Contributor(s):
36: *
37: * Portions Copyrighted 2008 Sun Microsystems, Inc.
38: */
39:
40: package org.netbeans.modules.cnd.debugger.gdb.disassembly;
41:
42: import java.beans.PropertyChangeListener;
43: import java.beans.PropertyChangeSupport;
44: import java.util.Map;
45:
46: /**
47: *
48: * @author eu155513
49: */
50: public class RegisterValuesProvider {
51: public static final String VALUES_UPDATED = "register values updated";// NOI18N
52: public static final String VALUES_CLEAR = "register values clear";// NOI18N
53:
54: private static RegisterValuesProvider instance = null;
55: private final PropertyChangeSupport pcs = new PropertyChangeSupport(
56: this );
57:
58: public static RegisterValuesProvider getInstance() {
59: if (instance == null) {
60: instance = new RegisterValuesProvider();
61: }
62: return instance;
63: }
64:
65: public Map<String, String> getRegisterValues() {
66: Disassembly dis = Disassembly.getCurrent();
67: if (dis != null) {
68: return dis.getRegisterValues();
69: } else {
70: return null;
71: }
72: }
73:
74: public void addPropertyChangeListener(
75: PropertyChangeListener listener) {
76: pcs.addPropertyChangeListener(listener);
77: }
78:
79: public void removePropertyChangeListener(
80: PropertyChangeListener listener) {
81: pcs.removePropertyChangeListener(listener);
82: }
83:
84: public void fireRegisterValuesChanged() {
85: pcs.firePropertyChange(VALUES_UPDATED, 0, 1);
86: }
87:
88: public void fireRegisterValuesClear() {
89: pcs.firePropertyChange(VALUES_CLEAR, 0, 1);
90: }
91: }
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