2 * Copyright (C) 2001-2006 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 any library licensed under the Apache Software License,
22 * and distribute linked combinations including the two. You must obey the
23 * GNU General Public License in all respects for all of the code used other than
24 * the above mentioned libraries. If you modify this file, you may extend this
25 * exception to your version of the file, but you are not obligated to do so.
26 * If you do not wish to do so, delete this exception statement from your version.
30 import java.util.HashMap;
33 import mir.changetracker.ChangeTracker;
34 import mir.changetracker.ChangeType;
35 import mir.generator.Generator;
36 import mir.generator.WriterEngine;
37 import mir.log.LoggerWrapper;
38 import mir.util.ParameterExpander;
39 import mircoders.global.MirGlobal;
41 public class GeneratingProducerNode extends AbstractProducerNode {
42 private String generatorExpression;
43 private String destinationExpression;
44 private String parametersExpression;
45 private Generator.Library generatorLibrary;
46 private WriterEngine writerEngine;
47 private Generator.Interceptor interceptor;
49 public GeneratingProducerNode(Generator.Library aGeneratorLibrary, WriterEngine aWriterEngine, Generator.Interceptor anInterceptor, String aGenerator, String aDestination, String aParameters) {
50 generatorExpression=aGenerator;
51 destinationExpression=aDestination;
52 parametersExpression=aParameters;
53 generatorLibrary = aGeneratorLibrary;
54 writerEngine = aWriterEngine;
55 interceptor = anInterceptor;
58 public GeneratingProducerNode(Generator.Library aGeneratorLibrary, WriterEngine aWriterEngine, Generator.Interceptor anInterceptor, String aGenerator, String aDestination) {
59 this(aGeneratorLibrary, aWriterEngine, anInterceptor, aGenerator, aDestination, "");
62 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
65 String generatorIdentifier;
66 String destinationIdentifier;
72 startTime = System.currentTimeMillis();
74 Map mirMap = (Map) aValueMap.get("Mir");
76 mirMap = new HashMap();
77 aValueMap.put("Mir", mirMap);
80 Object oldGenerator = mirMap.get("generator");
81 Object oldDestination = mirMap.get("destination");
82 Object oldParameters = mirMap.get("parameters");
84 destinationIdentifier = ParameterExpander.expandExpression(aValueMap, destinationExpression);
85 generatorIdentifier = ParameterExpander.expandExpression(aValueMap, generatorExpression);
86 parameters = ParameterExpander.expandExpression(aValueMap, parametersExpression);
87 //String relPathExpression = "/${article.date.formatted.yyyy}/${article.date.formatted.MM}/${article.id}.shtml";
88 //String relativePath = ParameterExpander.expandExpression(aValueMap, relPathExpression);
89 mirMap.put("generator", generatorIdentifier);
90 mirMap.put("destination", destinationIdentifier);
91 mirMap.put("parameters", parameters);
93 writer = writerEngine.openWriter(destinationIdentifier, parameters);
94 generator = generatorLibrary.makeGenerator(generatorIdentifier, interceptor);
95 generator.generate(writer, aValueMap, aLogger);
96 writerEngine.closeWriter(writer);
98 endTime = System.currentTimeMillis();
99 aLogger.debug("Generated " + generatorIdentifier + " into " + destinationIdentifier + " [" + parameters + "] in " + (endTime - startTime) + " ms");
100 reportChange(destinationIdentifier);
103 mirMap.put("generator", oldGenerator);
104 mirMap.put("destination", oldDestination);
105 mirMap.put("parameters", oldParameters);
108 catch (Throwable t) {
109 aLogger.error(" error while generating", t);
113 private void reportChange(String aPath) {
114 ChangeTracker changeTracker = MirGlobal.getChangeEngine().getTracker();
115 changeTracker.addChange(aPath, ChangeType.MODIFICATION);