1 package org.apache.turbine.services.jsonrpc;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.io.CharArrayWriter;
23
24 import javax.servlet.http.HttpServletRequest;
25 import javax.servlet.http.HttpSession;
26
27 import org.apache.turbine.services.TurbineBaseService;
28 import org.jabsorb.JSONRPCBridge;
29
30
31 /**
32 * This is a service that will respond to JSON-RPC calls.
33 *
34 * @author <a href="mailto:seade@backstagetech.com.au">Scott Eade</a>
35 * @version $Id$
36 */
37 public class TurbineJsonRpcService
38 extends TurbineBaseService
39 implements JsonRpcService
40 {
41 /** The key used to store the bridge in the session. */
42 public static final String JSON_BRIDGE_KEY = "JSONRPCBridge";
43
44 @Override
45 public Object processCall(CharArrayWriter cdata,
46 JSONRPCBridge json_bridge, HttpServletRequest request)
47 {
48 return JSONProcessor.processCall(cdata, json_bridge, request);
49 }
50
51 @Override
52 public void registerObjectGlobal(String key, Object value)
53 {
54 JSONRPCBridge.getGlobalBridge().registerObject(key, value);
55 }
56
57 @Override
58 public void registerObject(HttpSession session, String key, Object value)
59 {
60 JSONRPCBridge json_bridge = getBridge(session);
61 json_bridge.registerObject(key, value);
62 }
63
64 @Override
65 public JSONRPCBridge getBridge(HttpSession session)
66 {
67 JSONRPCBridge json_bridge = (JSONRPCBridge) session.getAttribute(JSON_BRIDGE_KEY);
68 if (json_bridge == null)
69 {
70 json_bridge = new JSONRPCBridge();
71 session.setAttribute(JSON_BRIDGE_KEY, json_bridge);
72 }
73 return json_bridge;
74 }
75
76 @Override
77 public void clearBridge(HttpSession session)
78 {
79 session.removeAttribute(JSON_BRIDGE_KEY);
80 }
81
82 // The following is modeled on XmlRpcSercice.
83 // /**
84 // * Initialize the JsonRpcService.
85 // *
86 // * @throws InitializationException Something went wrong in the init stage.
87 // */
88 // public void init() throws InitializationException
89 // {
90 // //Configuration conf = getConfiguration();
91 // setInit(true);
92 // }
93 //
94 // /**
95 // * Shuts down this service, stopping running threads.
96 // */
97 // public void shutdown()
98 // {
99 // setInit(false);
100 // }
101
102 }