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.
34 import java.io.PrintWriter;
37 import mir.generator.Generator;
38 import mir.generator.WriterEngine;
39 import mir.log.LoggerToWriterAdapter;
40 import mir.log.LoggerWrapper;
41 import mir.util.ParameterExpander;
43 public class GeneratingProducerNode implements ProducerNode {
44 private String generatorExpression;
45 private String destinationExpression;
46 private String parametersExpression;
47 private Generator.GeneratorLibrary generatorLibrary;
48 private WriterEngine writerEngine;
50 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination, String aParameters) {
51 generatorExpression=aGenerator;
52 destinationExpression=aDestination;
53 parametersExpression=aParameters;
54 generatorLibrary = aGeneratorLibrary;
55 writerEngine = aWriterEngine;
58 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination) {
59 this(aGeneratorLibrary, aWriterEngine, 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 destinationIdentifier = ParameterExpander.expandExpression( aValueMap, destinationExpression );
75 generatorIdentifier = ParameterExpander.expandExpression( aValueMap, generatorExpression );
76 parameters = ParameterExpander.expandExpression( aValueMap, parametersExpression );
78 writer = writerEngine.openWriter( destinationIdentifier, parameters );
79 generator = generatorLibrary.makeGenerator( generatorIdentifier );
80 generator.generate(writer, aValueMap, aLogger);
81 writerEngine.closeWriter( writer );
83 endTime = System.currentTimeMillis();
84 aLogger.info("Generated " + generatorIdentifier + " into " + destinationIdentifier + " [" + parameters + "] in " + (endTime-startTime) + " ms");
87 aLogger.error(" error while generating: " + t.getClass().getName() + ": " + t.getMessage());