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.junit.internal;
043:
044: import java.util.Properties;
045: import java.util.prefs.AbstractPreferences;
046: import java.util.prefs.BackingStoreException;
047: import java.util.prefs.Preferences;
048: import java.util.prefs.PreferencesFactory;
049:
050: /**
051: *
052: * @author Radek Matous
053: */
054: public class MemoryPreferencesFactory implements PreferencesFactory {
055: /** Creates a new instance */
056: public MemoryPreferencesFactory() {
057: }
058:
059: public Preferences userRoot() {
060: return NbPreferences.userRootImpl();
061: }
062:
063: public Preferences systemRoot() {
064: return NbPreferences.systemRootImpl();
065: }
066:
067: private static class NbPreferences extends AbstractPreferences {
068: private static Preferences USER_ROOT;
069: private static Preferences SYSTEM_ROOT;
070:
071: /*private*/Properties properties;
072:
073: static Preferences userRootImpl() {
074: if (USER_ROOT == null) {
075: USER_ROOT = new NbPreferences();
076: }
077: return USER_ROOT;
078: }
079:
080: static Preferences systemRootImpl() {
081: if (SYSTEM_ROOT == null) {
082: SYSTEM_ROOT = new NbPreferences();
083: }
084: return SYSTEM_ROOT;
085: }
086:
087: private NbPreferences() {
088: super (null, "");
089: }
090:
091: /** Creates a new instance of PreferencesImpl */
092: private NbPreferences(NbPreferences parent, String name) {
093: super (parent, name);
094: newNode = true;
095: }
096:
097: protected final String getSpi(String key) {
098: return properties().getProperty(key);
099: }
100:
101: protected final String[] childrenNamesSpi()
102: throws BackingStoreException {
103: return new String[0];
104: }
105:
106: protected final String[] keysSpi() throws BackingStoreException {
107: return properties().keySet().toArray(new String[0]);
108: }
109:
110: protected final void putSpi(String key, String value) {
111: properties().put(key, value);
112: }
113:
114: protected final void removeSpi(String key) {
115: properties().remove(key);
116: }
117:
118: protected final void removeNodeSpi()
119: throws BackingStoreException {
120: }
121:
122: protected void flushSpi() throws BackingStoreException {
123: }
124:
125: protected void syncSpi() throws BackingStoreException {
126: properties().clear();
127: }
128:
129: @Override
130: public void put(String key, String value) {
131: try {
132: super .put(key, value);
133: } catch (IllegalArgumentException iae) {
134: if (iae.getMessage().contains("too long")) {
135: // Not for us!
136: putSpi(key, value);
137: } else {
138: throw iae;
139: }
140: }
141: }
142:
143: Properties properties() {
144: if (properties == null) {
145: properties = new Properties();
146: }
147: return properties;
148: }
149:
150: protected AbstractPreferences childSpi(String name) {
151: return new NbPreferences(this, name);
152: }
153: }
154:
155: }
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