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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31 package mircoders.localizer;
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33 import mir.entity.adapter.EntityAdapterModel;
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34 import mir.generator.Generator;
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35 import mir.generator.WriterEngine;
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37 public class MirCachingLocalizerDecorator implements MirLocalizer {
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38 private MirLocalizer localizer;
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39 private MirProducerLocalizer producerLocalizer;
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40 private MirGeneratorLocalizer generatorLocalizer;
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41 private MirOpenPostingLocalizer openPostingsLocalizer;
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42 private MirProducerAssistantLocalizer producerAssistantLocalizer;
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43 private MirDataModelLocalizer dataModelLocalizer;
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44 private MirAdminInterfaceLocalizer adminInterfaceLocalizer;
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45 private MirMediaLocalizer mediaLocalizer;
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47 public MirCachingLocalizerDecorator(MirLocalizer aLocalizer) {
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48 localizer = aLocalizer;
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51 public MirProducerLocalizer producers() throws MirLocalizerFailure, MirLocalizerExc {
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52 if (producerLocalizer==null) {
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53 producerLocalizer = localizer.producers();
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56 return producerLocalizer;
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59 public MirGeneratorLocalizer generators() throws MirLocalizerFailure, MirLocalizerExc {
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60 if (generatorLocalizer==null) {
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61 generatorLocalizer = new MirCachingGeneratorLocalizer(localizer.generators());
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64 return generatorLocalizer;
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67 public MirOpenPostingLocalizer openPostings() throws MirLocalizerFailure, MirLocalizerExc {
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68 if (openPostingsLocalizer==null) {
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69 openPostingsLocalizer = localizer.openPostings();
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72 return openPostingsLocalizer;
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75 public MirProducerAssistantLocalizer producerAssistant() throws MirLocalizerFailure, MirLocalizerExc {
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76 if (producerAssistantLocalizer==null) {
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77 producerAssistantLocalizer = localizer.producerAssistant();
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80 return producerAssistantLocalizer;
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83 public MirDataModelLocalizer dataModel() throws MirLocalizerFailure, MirLocalizerExc {
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84 if (dataModelLocalizer==null) {
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85 dataModelLocalizer = new MirCachingDatamodelLocalizer(localizer.dataModel());
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88 return dataModelLocalizer;
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91 public MirAdminInterfaceLocalizer adminInterface() throws MirLocalizerFailure, MirLocalizerExc {
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92 if (adminInterfaceLocalizer==null) {
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93 adminInterfaceLocalizer = localizer.adminInterface();
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96 return adminInterfaceLocalizer;
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99 public MirMediaLocalizer media() throws MirLocalizerFailure, MirLocalizerExc {
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100 if (mediaLocalizer==null) {
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101 mediaLocalizer = localizer.media();
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104 return mediaLocalizer;
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107 private static class MirCachingDatamodelLocalizer implements MirDataModelLocalizer {
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108 private MirDataModelLocalizer master;
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109 private EntityAdapterModel adapterModel;
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111 public MirCachingDatamodelLocalizer(MirDataModelLocalizer aMaster) {
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113 adapterModel = null;
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116 public EntityAdapterModel adapterModel() throws MirLocalizerExc, MirLocalizerFailure {
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117 if (adapterModel==null) {
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118 adapterModel = master.adapterModel();
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121 return adapterModel;
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126 private static class MirCachingGeneratorLocalizer implements MirGeneratorLocalizer {
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127 private MirGeneratorLocalizer master;
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128 private WriterEngine writerEngine;
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129 private Generator.GeneratorLibrary producerGeneratorLibrary;
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130 private Generator.GeneratorLibrary adminGeneratorLibrary;
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131 private Generator.GeneratorLibrary openPostingGeneratorLibrary;
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133 public MirCachingGeneratorLocalizer(MirGeneratorLocalizer aMaster) {
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137 public WriterEngine makeWriterEngine() throws MirLocalizerExc, MirLocalizerFailure {
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138 if (writerEngine==null) {
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139 writerEngine = master.makeWriterEngine();
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142 return writerEngine;
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145 public Generator.GeneratorLibrary makeProducerGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
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146 if (producerGeneratorLibrary==null) {
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147 producerGeneratorLibrary = master.makeProducerGeneratorLibrary();
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150 return producerGeneratorLibrary;
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153 public Generator.GeneratorLibrary makeAdminGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
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154 if (adminGeneratorLibrary==null) {
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155 adminGeneratorLibrary = master.makeAdminGeneratorLibrary();
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158 return adminGeneratorLibrary;
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161 public Generator.GeneratorLibrary makeOpenPostingGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
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162 if (openPostingGeneratorLibrary==null) {
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163 openPostingGeneratorLibrary = master.makeOpenPostingGeneratorLibrary();
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166 return openPostingGeneratorLibrary;
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