svn commit: r671706 - in /ofbiz/trunk/framework: example/webapp/example/WEB-INF
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Author: apatel
Date: Wed Jun 25 18:50:39 2008 New Revision: 671706 URL: http://svn.apache.org/viewvc?rev=671706&view=rev Log: JSON handler for simple method events. Added: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java (with props) ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java (with props) Modified: ofbiz/trunk/framework/example/webapp/example/WEB-INF/controller.xml Modified: ofbiz/trunk/framework/example/webapp/example/WEB-INF/controller.xml URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/example/webapp/example/WEB-INF/controller.xml?rev=671706&r1=671705&r2=671706&view=diff ============================================================================== --- ofbiz/trunk/framework/example/webapp/example/WEB-INF/controller.xml (original) +++ ofbiz/trunk/framework/example/webapp/example/WEB-INF/controller.xml Wed Jun 25 18:50:39 2008 @@ -30,6 +30,7 @@ <handler name="groovy" type="request" class="org.ofbiz.webapp.event.GroovyEventHandler"/> <handler name="jsonservice" type="request" class="org.ofbiz.webapp.event.JSONServiceEventHandler"/> + <handler name="jsonsimple" type="request" class="org.ofbiz.webapp.event.JSONSimpleEventHandler"/> <!-- These can be used to return the reports as views; make sure the classes are compiled and available Added: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java?rev=671706&view=auto ============================================================================== --- ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java (added) +++ ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java Wed Jun 25 18:50:39 2008 @@ -0,0 +1,99 @@ +/******************************************************************************* + * 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.Enumeration; +import java.util.List; +import java.util.Map; + +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; + +public abstract class AbstractJSONEventHandler implements EventHandler{ + + public static final String module = JSONSimpleEventHandler.class.getName(); + protected EventHandler service; + + + public abstract void init(ServletContext context) throws EventHandlerException; + + 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"); + // 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; + } + + 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; + } + +} \ No newline at end of file Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/AbstractJSONEventHandler.java ------------------------------------------------------------------------------ svn:mime-type = text/plain Added: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java?rev=671706&view=auto ============================================================================== --- ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java (added) +++ ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java Wed Jun 25 18:50:39 2008 @@ -0,0 +1,33 @@ +/******************************************************************************* + * 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 javax.servlet.ServletContext; + + +public class JSONSimpleEventHandler extends AbstractJSONEventHandler{ + + public void init(ServletContext context) throws EventHandlerException { + this.service = new SimpleEventHandler(); + this.service.init(context); + } + +} Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java ------------------------------------------------------------------------------ svn:eol-style = native Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java ------------------------------------------------------------------------------ svn:keywords = "Date Rev Author URL Id" Propchange: ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/JSONSimpleEventHandler.java ------------------------------------------------------------------------------ svn:mime-type = text/plain |
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