/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.id.UUID;
/**
* An implementation of the {@link net.jxta.platform.ModuleSpecID} ID Type.
*/
public class ModuleSpecID extends net.jxta.platform.ModuleSpecID {
private final static int moduleClassIdOffset = 0;
private final static int moduleSpecIdOffset = IDFormat.uuidSize;
private final static int padOffset = ModuleSpecID.moduleSpecIdOffset + IDFormat.uuidSize;
private final static int padSize = IDFormat.flagsOffset - ModuleSpecID.padOffset;
/**
* The id data
*/
protected IDBytes id;
/**
* Constructor. Used only internally.
*/
protected ModuleSpecID() {
super();
id = new IDBytes(IDFormat.flagModuleSpecID);
}
/**
* Initializes contents from provided ID.
*
* @param id the ID data
*/
protected ModuleSpecID(IDBytes id) {
super();
this.id = id;
}
/**
* Creates a ModuleSpecID in a given class, with a given class unique id.
* A UUID of a class and another UUID are provided.
*
* @param classUUID the class to which this will belong.
* @param specUUID the unique id of this spec in that class.
*/
protected ModuleSpecID(UUID classUUID, UUID specUUID) {
this();
id.longIntoBytes(ModuleSpecID.moduleClassIdOffset, classUUID.getMostSignificantBits());
id.longIntoBytes(ModuleSpecID.moduleClassIdOffset + 8, classUUID.getLeastSignificantBits());
id.longIntoBytes(ModuleSpecID.moduleSpecIdOffset, specUUID.getMostSignificantBits());
id.longIntoBytes(ModuleSpecID.moduleSpecIdOffset + 8, specUUID.getLeastSignificantBits());
}
/**
* See {@link net.jxta.id.IDFactory.Instantiator#newModuleSpecID(net.jxta.platform.ModuleClassID)}.
*/
public ModuleSpecID(ModuleClassID classID) {
this(classID.getClassUUID(), UUIDFactory.newUUID());
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object target) {
if (this == target) {
return true;
}
if (target instanceof ModuleSpecID) {
ModuleSpecID msidTarget = (ModuleSpecID) target;
return id.equals(msidTarget.id);
} else {
return false;
}
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return id.hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public String getIDFormat() {
return IDFormat.INSTANTIATOR.getSupportedIDFormat();
}
/**
* {@inheritDoc}
*/
@Override
public Object getUniqueValue() {
return getIDFormat() + "-" + (String) id.getUniqueValue();
}
/**
* {@inheritDoc}
*/
@Override
public net.jxta.platform.ModuleClassID getBaseClass() {
return new ModuleClassID(getClassUUID(), new UUID(0L, 0L));
}
/**
* {@inheritDoc}
*/
@Override
public boolean isOfSameBaseClass(net.jxta.platform.ModuleClassID classId) {
return getClassUUID().equals(((ModuleClassID) classId).getClassUUID());
}
/**
* {@inheritDoc}
*/
@Override
public boolean isOfSameBaseClass(net.jxta.platform.ModuleSpecID specId) {
return getClassUUID().equals(((ModuleSpecID) specId).getClassUUID());
}
/**
* get the class' unique id
*
* @since JXTA 1.0
*
* @return UUID module class' unique id
*/
protected UUID getClassUUID() {
UUID result = new UUID(id.bytesIntoLong(ModuleSpecID.moduleClassIdOffset)
,
id.bytesIntoLong(ModuleSpecID.moduleClassIdOffset + 8));
return result;
}
/**
* get the spec unique id
*
* @since JXTA 1.0
*
* @return UUID module spec unique id
*/
protected UUID getSpecUUID() {
UUID result = new UUID(id.bytesIntoLong(ModuleSpecID.moduleSpecIdOffset)
,
id.bytesIntoLong(ModuleSpecID.moduleSpecIdOffset + 8));
return result;
}
}