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/**************************************************************************
* EntityPath.java
*
* $Revision: 1.14 $
* $Date: 2006/03/03 13:52:21 $
*
* Copyright (C) 2001 CERN - European Organization for Nuclear Research
* All rights reserved.
**************************************************************************/
package com.c2kernel.lookup;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.UUID;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.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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