/*
 * Copyright 2004-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.webflow.util;

import java.io.Serializable;

/**
 * A key generator that uses the RandomGuid support class. The default implementation used by the webflow system.
 * 
 * @author Keith Donald
 */
public class RandomGuidUidGenerator implements UidGenerator, Serializable {

	/**
	 * Should the random GUID generated be secure?
	 */
	private boolean secure;

	/**
	 * Returns whether or not the generated random numbers are <i>secure</i>, meaning cryptographically strong.
	 */
	public boolean isSecure() {
		return secure;
	}

	/**
	 * Sets whether or not the generated random numbers should be <i>secure</i>. If set to true, generated GUIDs are
	 * cryptographically strong.
	 */
	public void setSecure(boolean secure) {
		this.secure = secure;
	}

	public Serializable generateUid() {
		return new RandomGuid(secure).toString();
	}

	public Serializable parseUid(String encodedUid) {
		return encodedUid;
	}
}