/**
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2006 Sun Microsystems Inc. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* https://opensso.dev.java.net/public/CDDLv1.0.html or
* opensso/legal/CDDLv1.0.txt
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at opensso/legal/CDDLv1.0.txt.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* $Id: FSNameIdentifierImpl.java,v 1.2 2008/06/25 05:47:04 qcheng Exp $
*
*/
package com.sun.identity.federation.services.util;
import java.security.SecureRandom;
import com.sun.liberty.INameIdentifier;
import com.sun.identity.federation.common.FSUtils;
import com.sun.identity.shared.encode.Base64;
/**
* Default plugin for interface <code>INameIdentifier</code>.
*/
public class FSNameIdentifierImpl implements INameIdentifier {
private static SecureRandom randomGenerator = new SecureRandom();
/**
* Default constructor.
*/
public FSNameIdentifierImpl() {
}
/**
* Creates a new name identifier string.
* @return name identifier string; <code>null</code> if an error occurred
* during the creation process.
*/
public String createNameIdentifier(){
try {
FSUtils.debug.message(
"NameIdentifierImpl.createNameIdentifier: Called");
byte[] handleBytes = new byte[21];
randomGenerator.nextBytes(handleBytes);
if (handleBytes == null){
FSUtils.debug.error("NameIdentifierImpl.createNameIdentifier:"
+ "Could not generate random handle");
return null;
}
String handle = Base64.encode(handleBytes);
if (FSUtils.debug.messageEnabled()) {
FSUtils.debug.message("NameIdentifierImpl.createNameIdentifier:"
+ " String: " + handle);
}
return handle;
} catch (Exception exp) {
if (FSUtils.debug.messageEnabled()) {
FSUtils.debug.message("NameIdentifierImpl.createNameIdentifier:"
+ " Exception during proccessing request ", exp);
}
return null;
}
}
}