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.
37 import mir.producer.*;
38 import mir.generator.*;
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, PrintWriter aLogger) throws ProducerFailure {
62 String generatorIdentifier;
63 String destinationIdentifier;
69 startTime = System.currentTimeMillis();
71 destinationIdentifier = ParameterExpander.expandExpression( aValueMap, destinationExpression );
72 generatorIdentifier = ParameterExpander.expandExpression( aValueMap, generatorExpression );
73 parameters = ParameterExpander.expandExpression( aValueMap, parametersExpression );
75 aLogger.println("Generating " + generatorIdentifier + " into " + destinationIdentifier + " using parameters " + parameters);
78 writer = writerEngine.openWriter( destinationIdentifier, parameters );
79 generator = generatorLibrary.makeGenerator( generatorIdentifier );
80 generator.generate(writer, aValueMap, aLogger);
81 writerEngine.closeWriter( writer );
84 aLogger.println(" error while generating: " + t.getClass().getName() + ": " + t.getMessage());
86 endTime = System.currentTimeMillis();
88 aLogger.println(" Time: " + (endTime-startTime) + " ms");