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: * Contributor(s):
25: *
26: * The Original Software is NetBeans. The Initial Developer of the Original
27: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
28: * Microsystems, Inc. All Rights Reserved.
29: *
30: * If you wish your version of this file to be governed by only the CDDL
31: * or only the GPL Version 2, indicate your decision by adding
32: * "[Contributor] elects to include this software in this distribution
33: * under the [CDDL or GPL Version 2] license." If you do not indicate a
34: * single choice of license, a recipient has the option to distribute
35: * your version of this file under either the CDDL, the GPL Version 2 or
36: * to extend the choice of license to its licensees as provided above.
37: * However, if you add GPL Version 2 code and therefore, elected the GPL
38: * Version 2 license, then the option applies only if the new code is
39: * made subject to such option by the copyright holder.
40: */
41:
42: package org.netbeans.editor;
43:
44: import java.util.HashMap;
45:
46: /** This singleton class is an editor state encapsulation object. Every part
47: * of the editor could store its state-holder here and it will be automatically
48: * persistent across restarts. It is intended for any state informations
49: * that are not "Settings", like the contents of the input field histories,
50: * persistent, named bookmarks or so.
51: * The implementation is just like a HashMap indexed by state-holders' names.
52: * Typical usage is <CODE>myState = EditorState.get( MY_STATE_NAME );</CODE>
53: * There is no support for state change notifications, but the inserted
54: * value objects could be singletons as well and could do its own notifications.
55: *
56: * @author Petr Nejedly
57: * @version 1.0
58: */
59: public class EditorState {
60: private static HashMap state = new HashMap();
61:
62: /** This is fixed singleton, don't need instances */
63: private EditorState() {
64: }
65:
66: /** Retrieve the object specified by the key. */
67: public static Object get(Object key) {
68: return state.get(key);
69: }
70:
71: /** Store the object under specified key */
72: public static void put(Object key, Object value) {
73: state.put(key, value);
74: }
75:
76: public static HashMap getStateObject() {
77: return state;
78: }
79:
80: public static void setStateObject(HashMap stateObject) {
81: state = stateObject;
82: }
83: }
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