1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.shiro.session.mgt.eis; 20 21 import org.apache.shiro.session.Session; 22 23 import java.io.Serializable; 24 import java.util.UUID; 25 26 /** 27 * {@link SessionIdGenerator} that generates String values of JDK {@link java.util.UUID}'s as the session IDs. 28 * 29 * @since 1.0 30 */ 31 public class JavaUuidSessionIdGenerator implements SessionIdGenerator { 32 33 /** 34 * Ignores the method argument and simply returns 35 * {@code UUID}.{@link java.util.UUID#randomUUID() randomUUID()}.{@code toString()}. 36 * 37 * @param session the {@link Session} instance to which the ID will be applied. 38 * @return the String value of the JDK's next {@link UUID#randomUUID() randomUUID()}. 39 */ 40 public Serializable generateId(Session session) { 41 return UUID.randomUUID().toString(); 42 } 43 }