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.lang.reflect.Proxy;
30
31 import org.apache.http.HttpResponse;
32 import org.apache.http.client.methods.CloseableHttpResponse;
33 import org.apache.http.util.Args;
34
35 /**
36 * Proxies for HTTP message objects.
37 *
38 * @since 4.3
39 */
40 class Proxies {
41
42 public static CloseableHttpResponse enhanceResponse(final HttpResponse original) {
43 Args.notNull(original, "HTTP response");
44 if (original instanceof CloseableHttpResponse) {
45 return (CloseableHttpResponse) original;
46 } else {
47 return (CloseableHttpResponse) Proxy.newProxyInstance(
48 ResponseProxyHandler.class.getClassLoader(),
49 new Class<?>[] { CloseableHttpResponse.class },
50 new ResponseProxyHandler(original));
51 }
52 }
53
54 }