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    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: TurbineJsonRpcService.java 1706239 2015-10-01 13:18:35Z tv $
    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 }