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.generator;
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32 import java.io.PrintWriter;
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33 import java.util.Map;
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35 import mir.generator.tal.MirExpressionParser;
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36 import mir.generator.tal.TALTemplate;
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37 import mir.generator.tal.TALTemplateEngine;
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38 import mir.log.LoggerWrapper;
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40 public class TALGenerator implements Generator {
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41 private String templateIdentifier;
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42 private TALGeneratorLibrary library;
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43 private static LoggerWrapper logger = new LoggerWrapper("Generator.velocity");
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45 public TALGenerator(String aTemplate, TALGeneratorLibrary aLibrary) {
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46 templateIdentifier = aTemplate;
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50 public void generate(Object anOutputWriter, Map aValues, LoggerWrapper aLogger) throws GeneratorExc, GeneratorFailure {
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51 TALTemplate template;
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54 template = library.engine.loadTemplate(templateIdentifier);
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55 if (template == null) {
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56 throw new GeneratorExc("TALGeneratorLibrary: Can't find template " + templateIdentifier);
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58 template.processTemplate(aValues, (PrintWriter) anOutputWriter);
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60 catch (Throwable t) {
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61 throw new GeneratorFailure(t);
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65 public static class TALGeneratorLibrary implements GeneratorLibrary {
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66 private TALTemplateEngine engine;
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68 public TALGeneratorLibrary(String aTemplateRoot) throws GeneratorExc, GeneratorFailure {
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69 engine = new TALTemplateEngine(new MirExpressionParser(), aTemplateRoot);
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72 public Generator makeGenerator(String anIdentifier) throws GeneratorExc, GeneratorFailure {
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73 return new TALGenerator(anIdentifier, this);
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77 public static class TALGeneratorLibraryFactory implements GeneratorLibraryFactory {
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78 private String basePath;
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80 public TALGeneratorLibraryFactory(String aBasePath) {
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81 basePath = aBasePath;
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84 public GeneratorLibrary makeLibrary(String anInitializationString) throws GeneratorExc, GeneratorFailure {
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85 return new TALGeneratorLibrary(basePath+anInitializationString);
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