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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.util.logging.Logger;
/**
* A ModuleSpecID uniquely identifies a particular network behaviour
* (wire protocol and choregraphy) that may be embodied by a Jxta Module.
* There may be any number of implementations of a given SpecID. All
* such implementations are assumed to be network compatible.
*
*
* The Specification that corresponds to a given ModuleSpecID may be published
* in a ModuleSpecAdvertisement. This advertisement is uniquely identified by
* the ModuleSpecID that it describes.
*
*
* The various implementations of a given SpecID may be published in
* ModuleImplAdvertisements. These advertisements are identified by the
* ModuleSpecID that they implement and a compatibility statement.
* ModuleImplAdvertisements baring the same SpecID and compatibility statement
* are theorethicaly interchangeable. However they may be subsequently discriminated
* by a Description element.
*
*
* A ModuleSpecID embeds a ModuleClassID which uniquely identifies a base Module
* class. A base module class defines a local behaviour and one API per compatible
* JXTA implementation.
*
*
* A ModuleSpecID therefore uniquely identifies an abstract module, of which an
* implementation compatible with the local JXTA implementation may be located and
* instantiated.
*
*
* In the standard PeerGroup implementation of the java reference implementation
* the various services are specified as a list of ModuleSpecID, for each of which
* the group locates and loads an implementation as part of the group's
* initialization.
*
* @author Daniel Brookshier [email protected]
* @see net.jxta.peergroup.PeerGroup
* @see net.jxta.platform.Module
* @see net.jxta.platform.ModuleClassID
* @see net.jxta.protocol.ModuleSpecAdvertisement
* @see net.jxta.protocol.ModuleImplAdvertisement
* @see net.jxta.id.ID
* @see net.jxta.document.Advertisement
*/
public final class ModuleSpecBinaryID extends net.jxta.platform.ModuleSpecID {
/**
* Log4J categorgy
*/
private final static transient Logger LOG = Logger.getLogger(ModuleSpecBinaryID.class.getName());
protected BinaryID classID;
protected BinaryID baseClassID;
protected BinaryID specID;
/**
* Constructor. Used only internally.
*
* @since JXTA 1.0
*/
protected ModuleSpecBinaryID() {
super();
specID = new BinaryID(BinaryID.flagModuleSpecID);
classID = new BinaryID(BinaryID.flagModuleClassID);
baseClassID = new BinaryID(BinaryID.flagModuleClassID);
}
;
/**
* Constructor.
* Intializes contents from provided ID.
*
* @param id the ID data
* @since JXTA 1.0
*/
protected ModuleSpecBinaryID(String id) {
super();
int start = id.indexOf('-');
int parent = id.indexOf(start + 1, '-');
int spec = id.indexOf(id.indexOf(parent + 1, '-') + 1, '-');
classID = new BinaryID(id.substring(start + 1, parent));
baseClassID = new BinaryID(id.substring(parent + 1, spec));
specID = new BinaryID(id.substring(parent + 1));
}
/**
* Constructor.
* Creates a ModuleSpecID in a given class, with a given class unique id.
* A BinaryID of a class and another BinaryID are provided.
*
* @param classID the class to which this will belong.
* @param baseClassID the unique id of this spec in that class.
* @param specID the spec ID
*/
protected ModuleSpecBinaryID(BinaryID classID, BinaryID baseClassID, BinaryID specID) {
this.classID = classID;
this.baseClassID = baseClassID;
this.specID = specID;
}
/*
* Official constructors. No mention of BinaryID.
*/
/**
* Creates a new ModuleSpecID in a given class. A ModuleClassID is
* provided. A new SpecID in that class is created.
*
* @since JXTA 1.0
*
* @param classID the class to which this will belong.
*/
/*
public ModuleSpecID( net.jxta.platform.ModuleClassID moduleClassID ) {
this.classID = moduleClassID.getClassID();
this.baseClassID = getBaseClassID();
this.specID = getSpecID();
}
*/
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object target) {
if (this == target) {
return true;
}
if (!(target instanceof ModuleSpecBinaryID)) {
return false;
}
ModuleSpecBinaryID targetObj = (ModuleSpecBinaryID) target;
return classID.equals(targetObj.getClassID()) && baseClassID.equals(targetObj.getBaseClassID())
&& specID.equals(targetObj.getSpecID());
}
/**
* {@inheritDoc}
*/
@Override
public int hashCode() {
return getUniqueValue().hashCode();
}
/**
* {@inheritDoc}
*/
@Override
public String getIDFormat() {
return IDFormat.INSTANTIATOR.getSupportedIDFormat();
}
/**
* {@inheritDoc}
*/
@Override
public Object getUniqueValue() {
return getIDFormat() + "-" + classID + "-" + baseClassID + "_" + specID;
}
/**
* {@inheritDoc}
*/
@Override
public net.jxta.platform.ModuleClassID getBaseClass() {
return new ModuleClassBinaryID(baseClassID, new BinaryID(BinaryID.flagModuleClassID)
,
new BinaryID(BinaryID.flagModuleSpecID), new BinaryID(BinaryID.flagModuleSpecID));
}
/**
* {@inheritDoc}
*/
@Override
public boolean isOfSameBaseClass(net.jxta.platform.ModuleClassID classId) {
return baseClassID.equals(classId.getBaseClass());
}
/**
* {@inheritDoc}
*/
@Override
public boolean isOfSameBaseClass(net.jxta.platform.ModuleSpecID specId) {
return getClassID().equals(((ModuleSpecBinaryID) specId).getClassID());
}
/**
* Getter for property classID.
*
* @return Value of property classID.
*/
public net.jxta.impl.id.binaryID.BinaryID getClassID() {
return classID;
}
/**
* Getter for property baseClassID.
*
* @return Value of property baseClassID.
*/
public net.jxta.impl.id.binaryID.BinaryID getBaseClassID() {
return baseClassID;
}
/**
* Getter for property specID.
*
* @return Value of property specID.
*/
public net.jxta.impl.id.binaryID.BinaryID getSpecID() {
return specID;
}
}
