svn commit: r798114 - in /ofbiz/trunk/framework: common/webcommon/WEB-INF/common-controller.xml webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java

[apatel-2]

Author: apatel
Date: Mon Jul 27 12:22:21 2009
New Revision: 798114

URL: http://svn.apache.org/viewvc?rev=798114&view=rev
Log:
Adding Json event handler for multi service. Patch from OFBIZ-2762. Thanks Rishi and Chirag for implementation.

Added:
    ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java   (with props)
Modified:
    ofbiz/trunk/framework/common/webcommon/WEB-INF/common-controller.xml

Modified: ofbiz/trunk/framework/common/webcommon/WEB-INF/common-controller.xml
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/common/webcommon/WEB-INF/common-controller.xml?rev=798114&r1=798113&r2=798114&view=diff
==============================================================================
--- ofbiz/trunk/framework/common/webcommon/WEB-INF/common-controller.xml (original)
+++ ofbiz/trunk/framework/common/webcommon/WEB-INF/common-controller.xml Mon Jul 27 12:22:21 2009
@@ -35,6 +35,7 @@
     <handler name="simple" type="request" class="org.ofbiz.webapp.event.SimpleEventHandler"/>
     <handler name="groovy" type="request" class="org.ofbiz.webapp.event.GroovyEventHandler"/>
     <handler name="jsonservice" type="request" class="org.ofbiz.webapp.event.JSONServiceEventHandler"/>
+    <handler name="jsonservice-multi" type="request" class="org.ofbiz.webapp.event.JSONServiceMultiEventHandler"/>
     <handler name="jsonsimple" type="request" class="org.ofbiz.webapp.event.JSONSimpleEventHandler"/>
     <handler name="rome" type="request" class="org.ofbiz.webapp.event.RomeEventHandler"/>
 

Added: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java?rev=798114&view=auto
==============================================================================
--- ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java (added)
+++ ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONServiceMultiEventHandler.java Mon Jul 27 12:22:21 2009
@@ -0,0 +1,86 @@
+/*******************************************************************************
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *******************************************************************************/
+package org.ofbiz.webapp.event;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.io.Writer;
+import java.util.Map;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import net.sf.json.JSONObject;
+
+import org.ofbiz.base.util.Debug;
+import org.ofbiz.base.util.UtilHttp;
+import org.ofbiz.webapp.control.ConfigXMLReader.Event;
+import org.ofbiz.webapp.control.ConfigXMLReader.RequestMap;
+
+/**
+ * JSONServiceMultiEventHandler - JSON Object Wrapper around the ServiceMultiEventHandler
+ */
+public class JSONServiceMultiEventHandler implements EventHandler {
+
+    public static final String module = JSONServiceMultiEventHandler.class.getName();
+    protected EventHandler service;
+
+    public void init(ServletContext context) throws EventHandlerException {
+        this.service = new ServiceMultiEventHandler();
+        this.service.init(context);
+    }
+
+    public String invoke(Event event, RequestMap requestMap, HttpServletRequest request, HttpServletResponse response) throws EventHandlerException {
+        // call into the service handler for parameters parsing and invocation
+        String respCode = service.invoke(event, requestMap, request, response);
+
+        // pull out the service response from the request attribute
+        Map<String, Object> attrMap = UtilHttp.getJSONAttributeMap(request);
+
+        // create a JSON Object for return
+        JSONObject json = JSONObject.fromObject(attrMap);
+        String jsonStr = json.toString();
+        if (jsonStr == null) {
+            throw new EventHandlerException("JSON Object was empty; fatal error!");
+        }
+
+        // set the X-JSON content type
+        response.setContentType("application/x-json");
+        // jsonStr.length is not reliable for unicode characters
+        try {
+            response.setContentLength(jsonStr.getBytes("UTF8").length);
+        } catch (UnsupportedEncodingException e) {
+            throw new EventHandlerException("Problems with Json encoding", e);
+        }
+
+        // return the JSON String
+        Writer out;
+        try {
+            out = response.getWriter();
+            out.write(jsonStr);
+            out.flush();
+        } catch (IOException e) {
+            throw new EventHandlerException("Unable to get response writer", e);
+        }
+
+        return respCode;
+    }
+
+}

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