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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package org.cristalise.kernel.lookup;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.UUID;
import org.cristalise.kernel.common.ObjectNotFoundException;
import org.cristalise.kernel.common.SystemKey;
/**
* Extends Path to enforce SystemKey structure and support int form
*
* @version $Revision: 1.14 $ $Date: 2006/03/03 13:52:21 $
* @author $Author: abranson $
**/
public class ItemPath extends Path
{
public ItemPath() {
setSysKey(UUID.randomUUID());
}
protected ItemPath(UUID uuid) {
setSysKey(uuid);
}
public ItemPath(SystemKey syskey) {
setSysKey(syskey);
}
/*
*/
public ItemPath(String[] path) throws InvalidItemPathException
{
super(path, Path.CONTEXT);
getSysKeyFromPath();
}
/*
*/
public ItemPath(String path) throws InvalidItemPathException
{
super(path, Path.CONTEXT);
if (path == null) throw new InvalidItemPathException("Path cannot be null");
getSysKeyFromPath();
}
private void getSysKeyFromPath() throws InvalidItemPathException {
if (mPath.length == 1) {
try {
setSysKey(UUID.fromString(mPath[0]));
mType = Path.ENTITY;
} catch (IllegalArgumentException ex) {
throw new InvalidItemPathException(mPath[0]+" is not a valid UUID");
}
}
else
throw new InvalidItemPathException("Not a valid item path: "+Arrays.toString(mPath));
}
// EntityPaths root in /entity
@Override
public String getRoot() {
return "entity";
}
@Override
public ItemPath getItemPath() throws ObjectNotFoundException {
return this;
}
public byte[] getOID() {
if (mType == Path.CONTEXT) return null;
ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
bb.putLong(mSysKey.msb);
bb.putLong(mSysKey.lsb);
return bb.array();
}
protected void setSysKey(UUID uuid) {
mUUID = uuid;
mSysKey = new SystemKey(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits());
setPathFromUUID(mUUID.toString());
}
protected void setSysKey(SystemKey sysKey) {
mSysKey = sysKey;
mUUID = new UUID(sysKey.msb, sysKey.lsb);
setPathFromUUID(mUUID.toString());
}
private void setPathFromUUID(String uuid) {
mPath = new String[1];
mPath[0] = uuid;
mType = Path.ENTITY;
}
}
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