2 * Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
4 * The Sun Project JXTA(TM) Software License
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
16 * 3. The end-user documentation included with the redistribution, if any, must
17 * include the following acknowledgment: "This product includes software
18 * developed by Sun Microsystems, Inc. for JXTA(TM) technology."
19 * Alternately, this acknowledgment may appear in the software itself, if
20 * and wherever such third-party acknowledgments normally appear.
22 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
23 * not be used to endorse or promote products derived from this software
24 * without prior written permission. For written permission, please contact
25 * Project JXTA at http://www.jxta.org.
27 * 5. Products derived from this software may not be called "JXTA", nor may
28 * "JXTA" appear in their name, without prior written permission of Sun.
30 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
31 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
32 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
33 * MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
36 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
37 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
38 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
39 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * JXTA is a registered trademark of Sun Microsystems, Inc. in the United
42 * States and other countries.
44 * Please see the license information page at :
45 * <http://www.jxta.org/project/www/license.html> for instructions on use of
46 * the license in source files.
48 * ====================================================================
50 * This software consists of voluntary contributions made by many individuals
51 * on behalf of Project JXTA. For more information on Project JXTA, please see
52 * http://www.jxta.org.
54 * This license is based on the BSD license adopted by the Apache Foundation.
57 package net.jxta.impl.id.UUID;
60 import java.util.logging.Logger;
61 import java.util.logging.Level;
62 import net.jxta.logging.Logging;
66 * An implementation of the {@link net.jxta.platform.ModuleClassID} ID Type.
68 public class ModuleClassID extends net.jxta.platform.ModuleClassID {
71 * Location of the class id
73 private final static int moduleClassIdOffset = 0;
76 * Location of the role id
78 private final static int moduleRoleIdOffset = moduleClassIdOffset + IDFormat.uuidSize;
81 * location of the start of the pad space
83 private final static int padOffset = ModuleClassID.moduleRoleIdOffset + IDFormat.uuidSize;
86 * size of the unused space
88 private final static int padSize = IDFormat.flagsOffset - ModuleClassID.padOffset;
97 * Initializes contents from provided ID.
99 * @param id the ID data
101 protected ModuleClassID(IDBytes id) {
108 * Creates a ModuleClassID in a given class, with a given class unique id.
109 * A UUID of a class and another UUID are provided.
111 * @param classUUID the class to which this will belong.
112 * @param roleUUID the unique id of this role in that class.
114 protected ModuleClassID(UUID classUUID, UUID roleUUID) {
116 id = new IDBytes(IDFormat.flagModuleClassID);
118 id.longIntoBytes(ModuleClassID.moduleClassIdOffset, classUUID.getMostSignificantBits());
119 id.longIntoBytes(ModuleClassID.moduleClassIdOffset + 8, classUUID.getLeastSignificantBits());
121 id.longIntoBytes(ModuleClassID.moduleRoleIdOffset, roleUUID.getMostSignificantBits());
122 id.longIntoBytes(ModuleClassID.moduleRoleIdOffset + 8, roleUUID.getLeastSignificantBits());
126 * See {@link net.jxta.id.IDFactory.Instantiator#newModuleClassID()}.
128 * <p/>A new class UUID is created. The role ID is left null. This is the
129 * only way to create a new class without supplying a new UUID explicitly.
131 * <p/>Note that a null role is just as valid as any other, it just has a
132 * shorter string representation. So it is not mandatory to create a new
133 * role in a new class.
135 public ModuleClassID() {
136 this(UUIDFactory.newUUID(), new UUID(0L, 0L));
140 * See {@link net.jxta.id.IDFactory.Instantiator#newModuleClassID(net.jxta.platform.ModuleClassID)}.
142 public ModuleClassID(ModuleClassID classID) {
143 this(classID.getClassUUID(), UUIDFactory.newUUID());
150 public boolean equals(Object target) {
151 if (this == target) {
155 if (target instanceof ModuleClassID) {
156 ModuleClassID mcidTarget = (ModuleClassID) target;
158 return id.equals(mcidTarget.id);
168 public int hashCode() {
169 return id.hashCode();
176 public String getIDFormat() {
177 return IDFormat.INSTANTIATOR.getSupportedIDFormat();
184 public Object getUniqueValue() {
185 return getIDFormat() + "-" + (String) id.getUniqueValue();
192 public net.jxta.platform.ModuleClassID getBaseClass() {
193 return new ModuleClassID(getClassUUID(), new UUID(0L, 0L));
200 public boolean isOfSameBaseClass(net.jxta.platform.ModuleClassID classId) {
201 return getClassUUID().equals(((ModuleClassID) classId).getClassUUID());
208 public boolean isOfSameBaseClass(net.jxta.platform.ModuleSpecID specId) {
209 return getClassUUID().equals(((ModuleSpecID) specId).getClassUUID());
213 * get the class' unique id
215 * @return UUID module class' unique id
217 protected UUID getClassUUID() {
218 UUID result = new UUID(id.bytesIntoLong(ModuleClassID.moduleClassIdOffset)
220 id.bytesIntoLong(ModuleClassID.moduleClassIdOffset + 8));
226 * get the role unique id
228 * @return UUID module role unique id
230 protected UUID getRoleUUID() {
231 UUID result = new UUID(id.bytesIntoLong(ModuleClassID.moduleRoleIdOffset)
233 id.bytesIntoLong(ModuleClassID.moduleRoleIdOffset + 8));