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 any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
31 package mircoders.localizer;
33 import mir.entity.adapter.EntityAdapterModel;
34 import mir.generator.Generator;
35 import mir.generator.WriterEngine;
37 public class MirCachingLocalizerDecorator implements MirLocalizer {
38 private MirLocalizer localizer;
39 private MirProducerLocalizer producerLocalizer;
40 private MirGeneratorLocalizer generatorLocalizer;
41 private MirOpenPostingLocalizer openPostingsLocalizer;
42 private MirProducerAssistantLocalizer producerAssistantLocalizer;
43 private MirDataModelLocalizer dataModelLocalizer;
44 private MirAdminInterfaceLocalizer adminInterfaceLocalizer;
45 private MirMediaLocalizer mediaLocalizer;
47 public MirCachingLocalizerDecorator(MirLocalizer aLocalizer) {
48 localizer = aLocalizer;
51 public MirProducerLocalizer producers() throws MirLocalizerFailure, MirLocalizerExc {
52 if (producerLocalizer==null) {
53 producerLocalizer = localizer.producers();
56 return producerLocalizer;
59 public MirGeneratorLocalizer generators() throws MirLocalizerFailure, MirLocalizerExc {
60 if (generatorLocalizer==null) {
61 generatorLocalizer = new MirCachingGeneratorLocalizer(localizer.generators());
64 return generatorLocalizer;
67 public MirOpenPostingLocalizer openPostings() throws MirLocalizerFailure, MirLocalizerExc {
68 if (openPostingsLocalizer==null) {
69 openPostingsLocalizer = localizer.openPostings();
72 return openPostingsLocalizer;
75 public MirProducerAssistantLocalizer producerAssistant() throws MirLocalizerFailure, MirLocalizerExc {
76 if (producerAssistantLocalizer==null) {
77 producerAssistantLocalizer = localizer.producerAssistant();
80 return producerAssistantLocalizer;
83 public MirDataModelLocalizer dataModel() throws MirLocalizerFailure, MirLocalizerExc {
84 if (dataModelLocalizer==null) {
85 dataModelLocalizer = new MirCachingDatamodelLocalizer(localizer.dataModel());
88 return dataModelLocalizer;
91 public MirAdminInterfaceLocalizer adminInterface() throws MirLocalizerFailure, MirLocalizerExc {
92 if (adminInterfaceLocalizer==null) {
93 adminInterfaceLocalizer = localizer.adminInterface();
96 return adminInterfaceLocalizer;
99 public MirMediaLocalizer media() throws MirLocalizerFailure, MirLocalizerExc {
100 if (mediaLocalizer==null) {
101 mediaLocalizer = localizer.media();
104 return mediaLocalizer;
107 private static class MirCachingDatamodelLocalizer implements MirDataModelLocalizer {
108 private MirDataModelLocalizer master;
109 private EntityAdapterModel adapterModel;
111 public MirCachingDatamodelLocalizer(MirDataModelLocalizer aMaster) {
116 public EntityAdapterModel adapterModel() throws MirLocalizerExc, MirLocalizerFailure {
117 if (adapterModel==null) {
118 adapterModel = master.adapterModel();
126 private static class MirCachingGeneratorLocalizer implements MirGeneratorLocalizer {
127 private MirGeneratorLocalizer master;
128 private WriterEngine writerEngine;
129 private Generator.GeneratorLibrary producerGeneratorLibrary;
130 private Generator.GeneratorLibrary adminGeneratorLibrary;
131 private Generator.GeneratorLibrary openPostingGeneratorLibrary;
133 public MirCachingGeneratorLocalizer(MirGeneratorLocalizer aMaster) {
137 public WriterEngine makeWriterEngine() throws MirLocalizerExc, MirLocalizerFailure {
138 if (writerEngine==null) {
139 writerEngine = master.makeWriterEngine();
145 public Generator.GeneratorLibrary makeProducerGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
146 if (producerGeneratorLibrary==null) {
147 producerGeneratorLibrary = master.makeProducerGeneratorLibrary();
150 return producerGeneratorLibrary;
153 public Generator.GeneratorLibrary makeAdminGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
154 if (adminGeneratorLibrary==null) {
155 adminGeneratorLibrary = master.makeAdminGeneratorLibrary();
158 return adminGeneratorLibrary;
161 public Generator.GeneratorLibrary makeOpenPostingGeneratorLibrary() throws MirLocalizerExc, MirLocalizerFailure {
162 if (openPostingGeneratorLibrary==null) {
163 openPostingGeneratorLibrary = master.makeOpenPostingGeneratorLibrary();
166 return openPostingGeneratorLibrary;