/*
* 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.binaryID;
import net.jxta.id.ID;
import net.jxta.logging.Logging;
import java.net.URI;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* This class implements a PeerID. Each peer is assigned a unique peer id.UUID
* id are used to implement peer id.
*
* @see net.jxta.impl.id.UUID.UUID
* @see net.jxta.impl.id.UUID.UUIDFactory
*/
public final class PeerBinaryID extends net.jxta.peer.PeerID {
/**
* LOG object form this class
*/
private final static transient Logger LOG = Logger.getLogger(PeerBinaryID.class.getName());
/**
* This is the id string used in the XML of the id. The format is TX0..Xn where T is the type and X0 through Xn are the base64 encoded id.
*/
private String id;
/**
* Constructor. Used only internally.
*/
private PeerBinaryID() {
super();
}
/**
* Creates a ID from a string. Note that the ID is not currently validated.
*
* @param id Value of ID.
*/
protected PeerBinaryID(String id) {
super();
this.id = id;
}
/**
* Creates a new PeerID object.
*
* @param binaryID binary id to build the peerID from.
*/
public PeerBinaryID(BinaryID binaryID) {
id = binaryID.getID();
}
/**
* Constructor. Creates a PeerID. A PeerGroupID and BinaryID is provided. If
* the binary ID is not a pipe ID, the construcion will throw a runtime
* exception.<p>
* <p/>
* Note that only the ID for the parent is obtained and not the
* parent and the grandparent.
*
* @param parent the group to which this will belong.
* @param data data byte array to be used as the id.
* @param lengthIncluded If true, the first byte in the data array is the length of the remaining bytes.
*/
public PeerBinaryID(net.jxta.peergroup.PeerGroupID parent, byte[] data, boolean lengthIncluded) {
this();
String parentStr = IDFormat.childGroup(parent);
id = BinaryIDFactory.newBinaryID(BinaryID.flagPeerID, data, lengthIncluded).getID() + "." + parentStr.replace('-', '.');
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object target) {
if (this == target) {
return true;
}
return target instanceof PeerBinaryID && getUniqueValue().equals(((PeerBinaryID) target).getUniqueValue());
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return getUniqueValue().hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public String getIDFormat() {
return IDFormat.INSTANTIATOR.getSupportedIDFormat();
}
/**
* {@inheritDoc}
*/
@Override
public Object getUniqueValue() {
if (null == id) {
return ID.nullID.getUniqueValue();
}
return new StringBuilder().append(getIDFormat()).append("-").append(id).toString();
}
/**
* {@inheritDoc}
*/
@Override
public net.jxta.id.ID getPeerGroupID() {
try {
if (id == null) {
return net.jxta.id.ID.nullID;
}
String idd = id;
int parentStart = idd.indexOf('.');
if (parentStart != -1) {
idd = idd.substring(parentStart + 1);
} else {
return null;
}
URI url = new URI("urn:jxta:" + idd.replace('.', '-'));
net.jxta.peergroup.PeerGroupID peerGroupID = (net.jxta.peergroup.PeerGroupID) net.jxta.id.IDFactory.fromURI(url);
return peerGroupID;
} catch (Exception e) {
if (Logging.SHOW_WARNING && LOG.isLoggable(Level.WARNING)) {
LOG.warning("cannot convert sub group. ID value = " + id);
}
return null;
}
}
/**
* returns the coded ID without the binaryid tag.
*
* @return The raw ID.
*/
protected String getID() {
return id;
}
}