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/*
* 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 :
* 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 java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.security.SecureRandom;
import java.util.Random;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.UnknownServiceException;
import net.jxta.peergroup.PeerGroupID;
/**
* ID Factory for the binary ID type. All identifiers in this type are prefixed by "binaryid".
*
* @author Daniel Brookshier [email protected]
*/
public final class Instantiator implements net.jxta.id.IDFactory.URIInstantiator {
/**
* LOG object for this class.
*/
private final static transient Logger LOG = Logger.getLogger(Instantiator.class.getName());
/**
* Our ID Format
*/
final static String BinaryIDEncoded = "binaryid";
/**
* Random generator used for ID creation where a seed (idValue) is not provided.
*/
private static final Random randNumGenerator = new SecureRandom();
/**
* {@inheritDoc}
*/
public String getSupportedIDFormat() {
return BinaryIDEncoded;
}
/**
* {@inheritDoc}
*/
public net.jxta.id.ID fromURL(URL source) throws MalformedURLException, UnknownServiceException {
// check the protocol
if (!net.jxta.id.ID.URIEncodingName.equalsIgnoreCase(source.getProtocol())) {
throw new UnknownServiceException("URI protocol type was not as expected.");
}
String encoded = source.getFile();
int colonAt = encoded.indexOf(':');
// There's a colon right?
if (-1 == colonAt) {
throw new UnknownServiceException("URN namespace was missing.");
}
// check the namespace
if (!net.jxta.id.ID.URNNamespace.equalsIgnoreCase(encoded.substring(0, colonAt))) {
throw new UnknownServiceException("URN namespace was not as expected.");
}
// skip the namespace portion and the colon
encoded = encoded.substring(colonAt + 1);
try {
return fromURNNamespaceSpecificPart(encoded);
} catch (URISyntaxException failed) {
MalformedURLException failure = new MalformedURLException("Failure parsing URL");
failure.initCause(failed);
throw failure;
}
}
/**
* {@inheritDoc}
*/
public net.jxta.id.ID fromURI(URI source) throws URISyntaxException {
// check the protocol
if (!net.jxta.id.ID.URIEncodingName.equalsIgnoreCase(source.getScheme())) {
throw new URISyntaxException(source.toString(), "URI scheme was not as expected.");
}
String decoded = source.getSchemeSpecificPart();
int colonAt = decoded.indexOf(':');
// There's a colon right?
if (-1 == colonAt) {
throw new URISyntaxException(source.toString(), "URN namespace was missing.");
}
// check the namespace
if (!net.jxta.id.ID.URNNamespace.equalsIgnoreCase(decoded.substring(0, colonAt))) {
throw new URISyntaxException(source.toString()
,
"URN namespace was not as expected. (" + net.jxta.id.ID.URNNamespace + "!=" + decoded.substring(0, colonAt)
+ ")");
}
// skip the namespace portion and the colon
decoded = decoded.substring(colonAt + 1);
return fromURNNamespaceSpecificPart(decoded);
}
/**
* {@inheritDoc}
*/
public net.jxta.id.ID fromURNNamespaceSpecificPart(String encoded) throws URISyntaxException {
int dashAt = encoded.indexOf('-');
// there's a dash, right?
if (-1 == dashAt) {
throw new URISyntaxException(encoded, "URN Encodingtype was missing.");
}
if (!encoded.substring(0, dashAt).equals(BinaryIDEncoded)) {
throw new URISyntaxException(encoded
,
"JXTA id format was not as expected. Should have been BinaryIDEncoded found:" + encoded.substring(0, dashAt));
}
// skip the dash
encoded = encoded.substring(dashAt + 1);
// check that the length is long enough
if (encoded.length() < 1) {
throw new URISyntaxException(encoded, "URN does not contain enough chars. Must have at least one byte");
}
BinaryID id = new BinaryID(encoded);
net.jxta.id.ID result = null;
switch (id.type()) {
case BinaryID.flagCodatID:
result = new CodatBinaryID(encoded);
break;
case BinaryID.flagPeerGroupID:
result = new PeerGroupBinaryID(encoded);
if (PeerGroupID.worldPeerGroupID.equals(result)) {
result = net.jxta.peergroup.PeerGroupID.worldPeerGroupID;
}
break;
case BinaryID.flagPeerID:
result = new PeerBinaryID(encoded);
break;
case BinaryID.flagPipeID:
result = new PipeBinaryID(encoded);
break;
case BinaryID.flagModuleClassID:
result = new ModuleClassBinaryID(encoded);
break;
case BinaryID.flagModuleSpecID:
result = new ModuleSpecBinaryID(encoded);
break;
default:
throw new URISyntaxException(encoded, "jxta ID type not recognized");
}
return result;
}
/**
* Utility to create a random array of bits to be used when a random value is required.
*/
private byte[] randomID() {
byte[] randBuf16 = new byte[16];
randNumGenerator.nextBytes(randBuf16);
return randBuf16;
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported. Use CODAT from UUID package instead.
*/
public net.jxta.codat.CodatID newCodatID(final net.jxta.peergroup.PeerGroupID groupID) {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.CodatBinaryID(parentGroupID, randomID(), false);
// throw new UnsupportedOperationException("This form is not supported. Use CODAT from UUID package instead.");
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported. Use CODAT from UUID package instead.
*/
public net.jxta.codat.CodatID newCodatID(final net.jxta.peergroup.PeerGroupID groupID, byte[] seed) {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.CodatBinaryID(parentGroupID, seed, false);
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported. Use CODAT from UUID package instead.
*/
public net.jxta.codat.CodatID newCodatID(final net.jxta.peergroup.PeerGroupID groupID, InputStream in) throws IOException {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.CodatBinaryID(parentGroupID, randomID(), false);
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported. Use CODAT from UUID package instead.
*/
public net.jxta.codat.CodatID newCodatID(final net.jxta.peergroup.PeerGroupID groupID, byte[] idValue, InputStream in) throws IOException {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.CodatBinaryID(parentGroupID, idValue, false);
}
/**
* {@inheritDoc}
*/
public net.jxta.peer.PeerID newPeerID(final net.jxta.peergroup.PeerGroupID groupID) {
LOG.log(Level.SEVERE, "random peer created", new RuntimeException());
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.PeerBinaryID(parentGroupID, randomID(), false);
}
/**
* {@inheritDoc}
*/
public net.jxta.peer.PeerID newPeerID(final net.jxta.peergroup.PeerGroupID groupID, byte[] idValue) {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new net.jxta.impl.id.binaryID.PeerBinaryID(parentGroupID, idValue, false);
}
/**
* {@inheritDoc}
*/
public net.jxta.peergroup.PeerGroupID newPeerGroupID() {
return net.jxta.id.IDFactory.newPeerGroupID(randomID());
}
/**
* {@inheritDoc}
*/
public net.jxta.peergroup.PeerGroupID newPeerGroupID(byte[] idValue) {
return new PeerGroupBinaryID(idValue, false);
}
/**
* {@inheritDoc}
*/
public net.jxta.peergroup.PeerGroupID newPeerGroupID(net.jxta.peergroup.PeerGroupID parent) {
LOG.log(Level.SEVERE, "random peergroup created", new RuntimeException());
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(parent);
return net.jxta.id.IDFactory.newPeerGroupID(parentGroupID, randomID());
}
/**
* {@inheritDoc}
*/
public net.jxta.peergroup.PeerGroupID newPeerGroupID(net.jxta.peergroup.PeerGroupID parent, byte[] idValue) {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(parent);
return new PeerGroupBinaryID(parentGroupID, idValue, false);
}
/**
* {@inheritDoc}
*/
public net.jxta.pipe.PipeID newPipeID(final net.jxta.peergroup.PeerGroupID groupID) {
PeerGroupID parentGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return net.jxta.id.IDFactory.newPipeID(parentGroupID, randomID());
}
/**
* {@inheritDoc}
*/
public net.jxta.pipe.PipeID newPipeID(final net.jxta.peergroup.PeerGroupID groupID, byte[] idValue) {
PeerGroupID peerGroupID = (PeerGroupID) IDFormat.translateFromWellKnown(groupID);
return new PipeBinaryID(peerGroupID, idValue, false);
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported because a binary ID is meant to be created with a random ID.
*/
public net.jxta.platform.ModuleClassID newModuleClassID() {
throw new UnsupportedOperationException(
"This form is not supported because a binary ID is meant to be created with a random ID. Use UUID package instead.");
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported because a binary ID is meant to be created with a random ID.
*/
public net.jxta.platform.ModuleClassID newModuleClassID(final net.jxta.platform.ModuleClassID classID) {
throw new UnsupportedOperationException(
"This form is not supported because a binary ID is meant to be created with a random ID. Use UUID package instead.");
}
/**
* {@inheritDoc}
*
* @throws UnsupportedOperationException This form is not supported because a binary ID is meant to be created with a random ID. Use UUID instead.
*/
public net.jxta.platform.ModuleSpecID newModuleSpecID(final net.jxta.platform.ModuleClassID classID) {
throw new UnsupportedOperationException(
"This form is not supported because a binary ID is meant to be created with a random ID. Use UUID package instead.");
}
}
