1 /*
2 * ====================================================================
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 * ====================================================================
20 *
21 * This software consists of voluntary contributions made by many
22 * individuals on behalf of the Apache Software Foundation. For more
23 * information on the Apache Software Foundation, please see
24 * <http://www.apache.org/>.
25 *
26 */
27 package org.apache.http.impl.client.cache;
28
29 import java.io.IOException;
30 import java.util.HashMap;
31 import java.util.Map;
32
33 import org.apache.http.client.cache.HttpCacheEntry;
34 import org.apache.http.client.cache.HttpCacheStorage;
35 import org.apache.http.client.cache.HttpCacheUpdateCallback;
36
37 class SimpleHttpCacheStorage implements HttpCacheStorage {
38
39 public final Map<String,HttpCacheEntry> map;
40
41 public SimpleHttpCacheStorage() {
42 map = new HashMap<String,HttpCacheEntry>();
43 }
44
45 @Override
46 public void putEntry(final String key, final HttpCacheEntry entry) throws IOException {
47 map.put(key, entry);
48 }
49
50 @Override
51 public HttpCacheEntry getEntry(final String key) throws IOException {
52 return map.get(key);
53 }
54
55 @Override
56 public void removeEntry(final String key) throws IOException {
57 map.remove(key);
58 }
59
60 @Override
61 public void updateEntry(final String key, final HttpCacheUpdateCallback callback)
62 throws IOException {
63 final HttpCacheEntry v1 = map.get(key);
64 final HttpCacheEntry v2 = callback.update(v1);
65 map.put(key,v2);
66 }
67
68 }