| /* |
| 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.InputStream; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| import java.util.Map; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import javolution.util.FastMap; |
| |
| import org.ofbiz.base.util.Debug; |
| import org.ofbiz.entity.Delegator; |
| import org.ofbiz.entity.DelegatorFactory; |
| import org.ofbiz.service.GenericServiceException; |
| import org.ofbiz.service.LocalDispatcher; |
| import org.ofbiz.service.ServiceContainer; |
| import org.ofbiz.service.ServiceUtil; |
| import org.ofbiz.webapp.control.ConfigXMLReader.Event; |
| import org.ofbiz.webapp.control.ConfigXMLReader.RequestMap; |
| |
| /** |
| * ServiceStreamHandler |
| */ |
| public class ServiceStreamHandler implements EventHandler { |
| |
| public static final String module = ServiceStreamHandler.class.getName(); |
| protected LocalDispatcher dispatcher; |
| protected Delegator delegator; |
| |
| public void init(ServletContext context) throws EventHandlerException { |
| String delegatorName = context.getInitParameter("entityDelegatorName"); |
| this.delegator = DelegatorFactory.getDelegator(delegatorName); |
| this.dispatcher = ServiceContainer.getLocalDispatcher(this.delegator.getDelegatorName(), delegator); |
| } |
| |
| public String invoke(Event event, RequestMap requestMap, HttpServletRequest request, HttpServletResponse response) throws EventHandlerException { |
| InputStream in; |
| try { |
| in = request.getInputStream(); |
| } catch (IOException e) { |
| throw new EventHandlerException(e.getMessage(), e); |
| } |
| OutputStream out; |
| try { |
| out = response.getOutputStream(); |
| } catch (IOException e) { |
| throw new EventHandlerException(e.getMessage(), e); |
| } |
| |
| Map<String, Object> context = FastMap.newInstance(); |
| context.put("inputStream", in); |
| context.put("outputStream", out); |
| |
| if (Debug.infoOn()) Debug.logInfo("Running service with context: " + context, module); |
| |
| Map<String, Object> resp; |
| try { |
| resp = dispatcher.runSync(event.invoke, context); |
| } catch (GenericServiceException e) { |
| outputError(out, e, "Exception thrown in runSync()"); |
| throw new EventHandlerException(e.getMessage(), e); |
| } |
| Debug.logInfo("Received respone: " + resp, module); |
| if (ServiceUtil.isError(resp)) { |
| outputError(out, null, ServiceUtil.getErrorMessage(resp)); |
| throw new EventHandlerException(ServiceUtil.getErrorMessage(resp)); |
| } |
| String contentType = (String) resp.get("contentType"); |
| if (contentType != null) { |
| response.setContentType(contentType); |
| } |
| |
| if (out != null) { |
| try { |
| out.close(); |
| } catch (IOException e) { |
| throw new EventHandlerException(ServiceUtil.getErrorMessage(resp)); |
| } |
| } |
| |
| return null; |
| } |
| |
| private void outputError(OutputStream stream, Exception error, String message) { |
| PrintStream out = new PrintStream(stream); |
| if (message != null) |
| out.println("Error message: " + message); |
| if (error != null) |
| out.println("Exception occured: " + error.toString()); |
| out.flush(); |
| out.close(); |
| try { |
| stream.close(); |
| } catch (IOException e) { |
| Debug.logError(e, module); |
| } |
| } |
| } |