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 any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
32 import java.util.HashMap;
35 import mir.generator.Generator;
36 import mir.generator.WriterEngine;
37 import mir.log.LoggerWrapper;
38 import mir.util.ParameterExpander;
40 public class GeneratingProducerNode implements ProducerNode {
41 private String generatorExpression;
42 private String destinationExpression;
43 private String parametersExpression;
44 private Generator.GeneratorLibrary generatorLibrary;
45 private WriterEngine writerEngine;
47 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination, String aParameters) {
48 generatorExpression=aGenerator;
49 destinationExpression=aDestination;
50 parametersExpression=aParameters;
51 generatorLibrary = aGeneratorLibrary;
52 writerEngine = aWriterEngine;
55 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination) {
56 this(aGeneratorLibrary, aWriterEngine, aGenerator, aDestination, "");
59 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
62 String generatorIdentifier;
63 String destinationIdentifier;
69 startTime = System.currentTimeMillis();
71 Map mirMap = (Map) aValueMap.get("Mir");
73 mirMap = new HashMap();
74 aValueMap.put("Mir", mirMap);
77 Object oldGenerator = mirMap.get("generator");
78 Object oldDestination = mirMap.get("destination");
79 Object oldParameters = mirMap.get("parameters");
81 destinationIdentifier = ParameterExpander.expandExpression(aValueMap, destinationExpression);
82 generatorIdentifier = ParameterExpander.expandExpression(aValueMap, generatorExpression);
83 parameters = ParameterExpander.expandExpression(aValueMap, parametersExpression);
85 mirMap.put("generator", generatorIdentifier);
86 mirMap.put("destination", destinationIdentifier);
87 mirMap.put("parameters", parameters);
89 writer = writerEngine.openWriter(destinationIdentifier, parameters);
90 generator = generatorLibrary.makeGenerator(generatorIdentifier);
91 generator.generate(writer, aValueMap, aLogger);
92 writerEngine.closeWriter(writer);
94 endTime = System.currentTimeMillis();
95 aLogger.info("Generated " + generatorIdentifier + " into " + destinationIdentifier + " [" + parameters + "] in " + (endTime - startTime) + " ms");
98 mirMap.put("generator", oldGenerator);
99 mirMap.put("destination", oldDestination);
100 mirMap.put("parameters", oldParameters);
103 catch (Throwable t) {
104 aLogger.error(" error while generating: " + t.getClass().getName() + ": " + t.getMessage());
105 t.printStackTrace(aLogger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));