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1   /**
2    * Copyright 2010 The Kuali Foundation Licensed under the
3    * Educational Community License, Version 2.0 (the "License"); you may
4    * not use this file except in compliance with the License. You may
5    * obtain a copy of the License at
6    *
7    * http://www.osedu.org/licenses/ECL-2.0
8    *
9    * Unless required by applicable law or agreed to in writing,
10   * software distributed under the License is distributed on an "AS IS"
11   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
12   * or implied. See the License for the specific language governing
13   * permissions and limitations under the License.
14   */
15  
16  package org.kuali.student.common.util;
17  
18  
19  import org.apache.log4j.Logger;
20  
21  public class UUIDHelper {
22  	
23      private static final Logger LOG = Logger.getLogger(UUIDHelper.class);
24  	
25  	public static String genStringUUID() {
26  		return java.util.UUID.randomUUID().toString();
27  	}
28  
29  	public static String genStringUUID(String originalUUID) {
30  		if (originalUUID != null && !originalUUID.isEmpty()) {
31  			try {
32  				return java.util.UUID.fromString(originalUUID).toString();
33  			} catch (IllegalArgumentException e) {
34  				LOG.warn("Given ID \""+originalUUID+"\" is not a valid UUID. ");
35  			}
36  			return originalUUID;
37  		}
38  		return genStringUUID();
39  	}
40  }