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Update DIDL license and change coding style to DSpace standard
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,58 +1,76 @@ | ||
| /****************************************************************************** | ||
| * DSPACE DIDL MODULE UUID GENERATOR | ||
| * AUTHOR | ||
| * Los Alamos National Laboratory | ||
| * Research Library | ||
| * Digital Library Research & Prototyping Team | ||
| * Henry Jerez | ||
| * 2004, 2005 | ||
| *CONTACT | ||
| * proto@gws.lanl.gov | ||
| *VERSION | ||
| * Beta 1 | ||
| * date 07/26/2005 | ||
| * ACKNOWLEDGMENT | ||
| * Development of this code is part of the aDORe repository project by the Research Library of the Los Alamos National Laboratory. | ||
| * BASED ON: | ||
| *Implementation of UUID version 4 (the one that uses random/pseudo-random | ||
| * numbers) | ||
| * By: Ashraf Amrou | ||
| * Old Dominion University | ||
| * Aug 14, 2003 | ||
| *****************************************************************************/ | ||
| /* | ||
| * Copyright (c) 2004-2005, Hewlett-Packard Company and Massachusetts | ||
| * Institute of Technology. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * - Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * | ||
| * - 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. | ||
| * | ||
| * - Neither the name of the Hewlett-Packard Company nor the name of the | ||
| * Massachusetts Institute of Technology nor the names of their | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * ``AS IS'' AND ANY EXPRESS 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 THE COPYRIGHT | ||
| * HOLDERS OR 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. | ||
| */ | ||
| package org.dspace.app.didl; | ||
|
|
||
| import java.security.SecureRandom; | ||
| import java.util.Random; | ||
| /** | ||
| * Factory class for generating UUID version 4. All what this class does is | ||
| * creating UUID version 4 objects using crypto-quality random numbers. | ||
| * | ||
| * Development of this code was part of the aDORe repository project by the | ||
| * Research Library of the Los Alamos National Laboratory. | ||
| * | ||
| * This code is based on the implementation of UUID version 4 (the one that | ||
| * uses random/pseudo-random numbers by Ashraf Amrou of the Old Dominion University | ||
| * (Aug 14, 2003) | ||
| * | ||
| **/ | ||
| public final class UUIDFactory{ | ||
| public final class UUIDFactory | ||
| { | ||
| /** Random number generator */ | ||
| private Random rand = null; | ||
|
|
||
| /** | ||
| * Random number generator | ||
| **/ | ||
| private java.util.Random rand = null; | ||
| /** | ||
| * an instance | ||
| **/ | ||
| /** an instance */ | ||
| private static UUIDFactory generator = new UUIDFactory(); | ||
| /////////////////////////////////////////////////// | ||
| /** | ||
| * private constructor (Singleton class) | ||
| **/ | ||
| private UUIDFactory() { | ||
|
|
||
| /** private constructor (Singleton class) */ | ||
| private UUIDFactory() | ||
| { | ||
| // crypto-quality random number generator | ||
| rand = new SecureRandom(); | ||
| } | ||
| /////////////////////////////////////////////////// | ||
|
|
||
| /** | ||
| * | ||
| * Customers of this class call this method to generete new UUID objects | ||
| * | ||
| * @return a new UUID object | ||
| * | ||
| **/ | ||
| public synchronized static UUID generateUUID(){ | ||
| public synchronized static UUID generateUUID() | ||
| { | ||
| return new UUID(generator.rand.nextLong(),generator.rand.nextLong()); | ||
| } | ||
| /////////////////////////////////////////////////// | ||
| } | ||
| } |
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