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.
38 import mir.producer.*;
39 import mir.generator.*;
42 public class GeneratingProducerNode implements ProducerNode {
43 private String generatorExpression;
44 private String destinationExpression;
45 private String parametersExpression;
46 private Generator.GeneratorLibrary generatorLibrary;
47 private WriterEngine writerEngine;
49 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination, String aParameters) {
50 generatorExpression=aGenerator;
51 destinationExpression=aDestination;
52 parametersExpression=aParameters;
53 generatorLibrary = aGeneratorLibrary;
54 writerEngine = aWriterEngine;
57 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination) {
58 this(aGeneratorLibrary, aWriterEngine, aGenerator, aDestination, "");
61 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
64 String generatorIdentifier;
65 String destinationIdentifier;
71 startTime = System.currentTimeMillis();
73 destinationIdentifier = ParameterExpander.expandExpression( aValueMap, destinationExpression );
74 generatorIdentifier = ParameterExpander.expandExpression( aValueMap, generatorExpression );
75 parameters = ParameterExpander.expandExpression( aValueMap, parametersExpression );
77 writer = writerEngine.openWriter( destinationIdentifier, parameters );
78 generator = generatorLibrary.makeGenerator( generatorIdentifier );
79 generator.generate(writer, aValueMap, new PrintWriter(new LoggerToWriterAdapter(aLogger, LoggerWrapper.INFO_MESSAGE)));
80 writerEngine.closeWriter( writer );
82 endTime = System.currentTimeMillis();
83 aLogger.info("Generated " + generatorIdentifier + " into " + destinationIdentifier + " [" + parameters + "] in " + (endTime-startTime) + " ms");
86 aLogger.error(" error while generating: " + t.getClass().getName() + ": " + t.getMessage());