Author: hansbak
Date: Tue Feb 5 01:52:38 2008
New Revision: 618594
URL: http://svn.apache.org/viewvc?rev=618594&view=rev
Log:
new Handler, not tested, but I am sure Bilgin wil
Added:
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONJavaEventHandler.java
Added:
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONJavaEventHandler.java
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONJavaEventHandler.java?rev=618594&view=auto
==============================================================================
---
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONJavaEventHandler.java
(added)
+++
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONJavaEventHandler.java
Tue Feb 5 01:52:38 2008
@@ -0,0 +1,96 @@
+/*******************************************************************************
+ * 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.Writer;
+import java.util.Enumeration;
+import java.util.Map;
+import java.util.List;
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import javolution.util.FastMap;
+import net.sf.json.JSONObject;
+
+import org.ofbiz.base.util.Debug;
+
+/**
+ * JSONJavaEventHandler - JSON Object Wrapper around the JavaEventHandler
+ */
+public class JSONJavaEventHandler implements EventHandler {
+
+ public static final String module = JSONJavaEventHandler.class.getName();
+ protected EventHandler service;
+
+ public void init(ServletContext context) throws EventHandlerException {
+ this.service = new JavaEventHandler();
+ this.service.init(context);
+ }
+
+ public String invoke(String eventPath, String eventMethod,
HttpServletRequest request, HttpServletResponse response) throws
EventHandlerException {
+ // call into the java handler for parameters parsing and invocation
+ String respCode = service.invoke(eventPath, eventMethod, request,
response);
+
+ // pull out the service response from the request attribute
+ Map attrMap = getAttributesAsMap(request);
+
+ // create a JSON Object for return
+ JSONObject json = JSONObject.fromMap(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");
+ response.setContentLength(jsonStr.length());
+
+ // 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;
+ }
+
+ private Map getAttributesAsMap(HttpServletRequest request) {
+ Map attrMap = FastMap.newInstance();
+ Enumeration en = request.getAttributeNames();
+ while (en.hasMoreElements()) {
+ String name = (String) en.nextElement();
+ Object val = request.getAttribute(name);
+ if (val instanceof java.sql.Timestamp) {
+ val = val.toString();
+ }
+ if (val instanceof String || val instanceof Number || val
instanceof Map || val instanceof List) {
+ if (Debug.verboseOn()) Debug.logVerbose("Adding attribute to
JSON output: " + name, module);
+ attrMap.put(name, val);
+ }
+ }
+
+ return attrMap;
+ }
+}
