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.config;
20
21 import org.apache.shiro.cache.AbstractCacheManager;
22 import org.apache.shiro.cache.Cache;
23 import org.apache.shiro.cache.CacheException;
24 import org.apache.shiro.cache.MapCache;
25
26 import java.util.HashMap;
27
28 /**
29 * Returns HashMap-backed cache instances for testing only. NEVER use this in production, as it would cause
30 * memory leaks since HashMaps retain strong references.
31 *
32 * @since 1.0
33 */
34 public class HashMapCacheManager<K, V> extends AbstractCacheManager {
35
36 @Override
37 protected Cache createCache(String name) throws CacheException {
38 return new HashMapCache<K, V>(name);
39 }
40
41 //This class is not strictly necessary - it exists to verify a test case only.
42
43 public class HashMapCache<K, V> extends MapCache<K, V> {
44 public HashMapCache(String name) {
45 super(name, new HashMap<K, V>());
46 }
47 }
48 }