2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
32 package mircoders.servlet;
34 import java.io.PrintWriter;
35 import java.util.HashMap;
36 import java.util.Iterator;
37 import java.util.List;
38 import java.util.Locale;
40 import java.util.Vector;
42 import javax.servlet.http.HttpServletRequest;
43 import javax.servlet.http.HttpServletResponse;
45 import mir.generator.Generator;
46 import mir.log.LoggerWrapper;
47 import mir.producer.ProducerFactory;
48 import mir.servlet.ServletModule;
49 import mir.servlet.ServletModuleExc;
50 import mir.servlet.ServletModuleFailure;
51 import mir.util.NullWriter;
52 import mir.util.ResourceBundleGeneratorFunction;
53 import mircoders.global.MirGlobal;
55 import org.apache.struts.util.MessageResources;
57 public class ServletModuleProducer extends ServletModule
59 private static ServletModuleProducer instance = new ServletModuleProducer();
60 public static ServletModule getInstance() { return instance; }
68 void generateResponse(String aGeneratorIdentifier, PrintWriter aWriter, Map aResponseData, Locale aLocale) {
70 generator = MirGlobal.localizer().generators().makeAdminGeneratorLibrary().makeGenerator(aGeneratorIdentifier);
71 MirGlobal.localizer().producerAssistant().initializeGenerationValueSet(aResponseData);
72 aResponseData.put( "lang", new ResourceBundleGeneratorFunction( aLocale, MessageResources.getMessageResources("bundles.admin")));
73 generator.generate(aWriter, aResponseData, new PrintWriter(new NullWriter()));
76 throw new ServletModuleFailure(t);
80 private ServletModuleProducer() {
82 logger = new LoggerWrapper("ServletModule.Producer");
83 defaultAction="showProducerQueueStatus";
86 public void showMessage(PrintWriter aWriter, Locale aLocale, String aMessage, String anArgument1, String anArgument2) {
89 responseData = new HashMap();
90 responseData.put("message", aMessage);
91 responseData.put("argument1", anArgument1);
92 responseData.put("argument2", anArgument2);
93 generateResponse("infomessage.template", aWriter, responseData, aLocale);
96 throw new ServletModuleFailure(t);
101 public void showProducerQueueStatus(HttpServletRequest aRequest, HttpServletResponse aResponse) {
109 generator = MirGlobal.localizer().generators().makeAdminGeneratorLibrary().makeGenerator("producerqueue.template");
111 generationData = ServletHelper.makeGenerationData(getLocale(aRequest));
112 generationData.put( "thisurl", "module=Producer&do=showProducerQueueStatus");
114 producersData = new Vector();
115 Iterator i = MirGlobal.localizer().producers().factories().iterator();
116 while (i.hasNext()) {
117 ProducerFactory factory = (ProducerFactory) i.next();
119 List producerVerbs = new Vector();
120 Iterator j = factory.verbs();
121 while (j.hasNext()) {
122 Map verbData = new HashMap();
123 ProducerFactory.ProducerVerb verb = (ProducerFactory.ProducerVerb) j.next();
124 verbData.put("name", verb.getName());
125 verbData.put("description", verb.getDescription());
127 producerVerbs.add(verbData);
130 Map producerData = new HashMap();
131 producerData.put("name", factory.getName());
132 producerData.put("verbs", producerVerbs);
134 producersData.add(producerData);
136 generationData.put("producers", producersData);
138 generationData.put("queue", MirGlobal.producerEngine().getQueueStatus());
139 generator.generate(aResponse.getWriter(), generationData, new PrintWriter(new NullWriter()));
141 catch (Throwable t) {
142 throw new ServletModuleFailure(t);
146 public void produce(HttpServletRequest req, HttpServletResponse res) {
148 * This method will only be called by external scripts (e.g. from cron jobs).
149 * The output therefore is very simple.
154 PrintWriter out = res.getWriter();
156 if (req.getParameter("producer")!=null) {
157 String producerParam = req.getParameter("producer");
158 String verbParam = req.getParameter("verb");
160 MirGlobal.producerEngine().addJob(producerParam, verbParam);
161 out.println("job added");
164 catch (Throwable t) {
165 throw new ServletModuleFailure(t);
169 public void produceAllNew(HttpServletRequest aRequest, HttpServletResponse aResponse) {
171 MirGlobal.localizer().producers().produceAllNew();
172 showMessage(aResponse.getWriter(), getLocale(aRequest), "produceAllNewAddedToQueue", "", "");
174 catch (Throwable t) {
175 throw new ServletModuleFailure(t);
179 public void enqueue(HttpServletRequest aRequest, HttpServletResponse aResponse) {
181 if (aRequest.getParameter("producer")!=null) {
182 String producerParam = aRequest.getParameter("producer");
183 String verbParam = aRequest.getParameter("verb");
185 MirGlobal.producerEngine().addJob(producerParam, verbParam);
187 showProducerQueueStatus(aRequest, aResponse);
190 catch (Throwable t) {
191 throw new ServletModuleFailure(t);
195 public void cancelAbortJob(HttpServletRequest aRequest, HttpServletResponse aResponse) {