2 * Copyright (C) 2001, 2002 The Mir-coders group
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4 * This file is part of Mir.
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6 * Mir is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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11 * Mir is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with Mir; if not, write to the Free Software
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18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 * In addition, as a special exception, The Mir-coders gives permission to link
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21 * the code of this program with any library licensed under the Apache Software License,
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22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
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23 * (or with modified versions of the above that use the same license as the above),
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24 * and distribute linked combinations including the two. You must obey the
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25 * GNU General Public License in all respects for all of the code used other than
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26 * the above mentioned libraries. If you modify this file, you may extend this
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27 * exception to your version of the file, but you are not obligated to do so.
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28 * If you do not wish to do so, delete this exception statement from your version.
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30 package mir.producer;
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34 import mir.generator.Generator;
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35 import mir.generator.WriterEngine;
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36 import mir.log.LoggerWrapper;
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37 import mir.util.ParameterExpander;
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39 public class GeneratingProducerNode implements ProducerNode {
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40 private String generatorExpression;
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41 private String destinationExpression;
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42 private String parametersExpression;
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43 private Generator.GeneratorLibrary generatorLibrary;
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44 private WriterEngine writerEngine;
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46 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination, String aParameters) {
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47 generatorExpression=aGenerator;
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48 destinationExpression=aDestination;
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49 parametersExpression=aParameters;
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50 generatorLibrary = aGeneratorLibrary;
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51 writerEngine = aWriterEngine;
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54 public GeneratingProducerNode(Generator.GeneratorLibrary aGeneratorLibrary, WriterEngine aWriterEngine, String aGenerator, String aDestination) {
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55 this(aGeneratorLibrary, aWriterEngine, aGenerator, aDestination, "");
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58 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
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59 Generator generator;
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61 String generatorIdentifier;
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62 String destinationIdentifier;
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68 startTime = System.currentTimeMillis();
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70 Map mirMap = (Map) aValueMap.get("Mir");
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72 mirMap = new HashMap();
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73 aValueMap.put("Mir", mirMap);
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76 Object oldGenerator = mirMap.get("generator");
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77 Object oldDestination = mirMap.get("destination");
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78 Object oldParameters = mirMap.get("parameters");
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80 destinationIdentifier = ParameterExpander.expandExpression(aValueMap, destinationExpression);
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81 generatorIdentifier = ParameterExpander.expandExpression(aValueMap, generatorExpression);
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82 parameters = ParameterExpander.expandExpression(aValueMap, parametersExpression);
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84 mirMap.put("generator", generatorIdentifier);
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85 mirMap.put("destination", destinationIdentifier);
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86 mirMap.put("parameters", parameters);
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88 writer = writerEngine.openWriter(destinationIdentifier, parameters);
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89 generator = generatorLibrary.makeGenerator(generatorIdentifier);
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90 generator.generate(writer, aValueMap, aLogger);
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91 writerEngine.closeWriter(writer);
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93 endTime = System.currentTimeMillis();
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94 aLogger.info("Generated " + generatorIdentifier + " into " + destinationIdentifier + " [" + parameters + "] in " + (endTime - startTime) + " ms");
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97 mirMap.put("generator", oldGenerator);
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98 mirMap.put("destination", oldDestination);
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99 mirMap.put("parameters", oldParameters);
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102 catch (Throwable t) {
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103 aLogger.error(" error while generating: " + t.getClass().getName() + ": " + t.getMessage());
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