Author: jaz
Date: Tue Feb 13 18:54:29 2007
New Revision: 507364
URL: http://svn.apache.org/viewvc?view=rev&rev=507364
Log:
implemented RomeEventHandler; calls a service (should implement the
rssFeedInterface which returns a WireFeed object) to generate a RSS feed;
returns the feed to the browser
Added:
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java
(with props)
Modified:
ofbiz/trunk/framework/common/servicedef/services.xml
Modified: ofbiz/trunk/framework/common/servicedef/services.xml
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/common/servicedef/services.xml?view=diff&rev=507364&r1=507363&r2=507364
==============================================================================
--- ofbiz/trunk/framework/common/servicedef/services.xml (original)
+++ ofbiz/trunk/framework/common/servicedef/services.xml Tue Feb 13 18:54:29
2007
@@ -396,4 +396,13 @@
location="org/ofbiz/common/permission/CommonPermissionServices.xml"
invoke="genericBasePermissionCheck">
<implements service="permissionInterface"/>
</service>
+
+ <!-- generic RSS feed interface -->
+ <service name="rssFeedInterface" engine="interface">
+ <description>Interface for ROME RSS feed services; should return the
WireFeed object (serializable)</description>
+ <attribute name="feedType" type="String" mode="IN" optional="false"/>
+ <attribute name="mainLink" type="String" mode="IN" optional="false"/>
+ <attribute name="entryLink" type="String" mode="IN" optional="false"/>
+ <attribute name="wireFeed" type="com.sun.syndication.feed.WireFeed"
mode="OUT" optional="false"/>
+ </service>
</services>
Added:
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java?view=auto&rev=507364
==============================================================================
---
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java
(added)
+++
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java
Tue Feb 13 18:54:29 2007
@@ -0,0 +1,94 @@
+/*
+ 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 org.ofbiz.webapp.control.RequestHandler;
+import org.ofbiz.base.util.Debug;
+
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import com.sun.syndication.feed.WireFeed;
+import com.sun.syndication.io.WireFeedOutput;
+import com.sun.syndication.io.FeedException;
+
+import java.io.IOException;
+
+/**
+ * RomeEventHandler
+ */
+public class RomeEventHandler implements EventHandler {
+
+ public static final String module = RomeEventHandler.class.getName();
+ public static final String mime = "application/xml; charset=UTF-8";
+ public static final String defaultFeedType = "rss_2.0";
+
+ protected RequestHandler handler;
+ protected ServletContext context;
+ protected EventHandler service;
+ protected WireFeedOutput out;
+
+ public void init(ServletContext context) throws EventHandlerException {
+ this.context = context;
+ this.handler = (RequestHandler)
context.getAttribute("_REQUEST_HANDLER_");
+ if (this.handler == null) {
+ throw new EventHandlerException("No request handler found in
servlet context!");
+ }
+
+ // get the service event handler
+ this.service = new ServiceEventHandler();
+ this.service.init(context);
+ this.out = new WireFeedOutput();
+ }
+
+ public String invoke(String eventPath, String eventMethod,
HttpServletRequest request, HttpServletResponse response) throws
EventHandlerException {
+ // generate the main and entry links
+ String entryLinkReq = request.getParameter("entryLinkReq");
+ String mainLinkReq = request.getParameter("mainLinkReq");
+
+ // create the links; but the query string must be created by the
service
+ String entryLink = handler.makeLink(request, response, entryLinkReq,
true, false, false);
+ String mainLink = handler.makeLink(request, response, mainLinkReq,
true, false, false);
+ request.setAttribute("entryLink", entryLink);
+ request.setAttribute("mainLink", mainLink);
+
+ String feedType = request.getParameter("feedType");
+ if (feedType == null) {
+ request.setAttribute("feedType", defaultFeedType);
+ }
+
+ // invoke the feed generator service (implements rssFeedInterface)
+ String respCode = service.invoke(eventPath, eventMethod, request,
response);
+
+ // pull out the RSS feed from the request attributes
+ WireFeed wireFeed = (WireFeed) request.getAttribute("wireFeed");
+ response.setContentType(mime);
+ try {
+ out.output(wireFeed, response.getWriter());
+ } catch (IOException e) {
+ throw new EventHandlerException("Unable to get response writer",
e);
+ } catch (FeedException e) {
+ throw new EventHandlerException("Unable to write RSS feed", e);
+ }
+
+ return respCode;
+ }
+}
Propchange:
ofbiz/trunk/framework/webapp/src/org/ofbiz/webapp/event/RomeEventHandler.java
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