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1
16
19
20 package org.apache.pluto.portalImpl.om.common.impl;
21
22 import java.util.Collection  ;
23 import java.util.Iterator ;
24 import java.util.Locale ;
25 import java.util.MissingResourceException ;
26 import java.util.ResourceBundle ;
27 import java.util.Vector ;
28
29 import org.apache.pluto.om.common.Language;
30 import org.apache.pluto.om.common.LanguageSet;
31 import org.apache.pluto.portalImpl.om.common.AbstractSupportSet;
32 import org.apache.pluto.portalImpl.om.common.Support;
33 import org.apache.pluto.util.StringUtils;
34
35 public class LanguageSetImpl extends AbstractSupportSet implements LanguageSet, java.io.Serializable , Support
36 {
37
38 private String castorKeywords;
39
40 private ClassLoader classLoader;
41
42
45 private Vector locales;
46 private boolean resourceBundleInitialized;
47
48 private String resources;
49 private String shortTitle;
50
51 private String title;
52
53 public LanguageSetImpl()
54 {
55 locales = new Vector ();
56 }
57
58 private Language createLanguage(Locale locale, ResourceBundle bundle)
60 {
61 LanguageImpl lang = new LanguageImpl(locale, bundle, title, shortTitle, castorKeywords);
62 return lang;
63 }
64
65
67 public Language get(Locale locale)
68 {
69 if (resources!=null && resourceBundleInitialized==false)
70 {
71 initResourceBundle();
72 this.resourceBundleInitialized = true;
73 }
74
75 if (!locales.contains(locale))
76 {
77 locale = matchLocale(locale);
78 }
79
80 Iterator iterator = this.iterator();
81 while (iterator.hasNext())
82 {
83 Language language = (Language)iterator.next();
84 if (language.getLocale().equals(locale) || size()==1)
85 {
86 return language;
87 }
88 }
89
90 return null;
91 }
92
93 public Iterator getLocales()
94 {
95 return locales.iterator();
96 }
97
98 public Locale getDefaultLocale()
99 {
100 Locale defLoc = null;
101
102 if (locales != null && locales.size() > 0)
103 {
104 defLoc = (Locale )locales.firstElement();
105
106 if (defLoc == null)
107 {
108 defLoc = new Locale ("en","");
109 locales.add(defLoc);
110 }
111 }
112 else
113 {
114 defLoc = new Locale ("en","");
115 locales.add(defLoc);
116 }
117
118 return defLoc;
119 }
120
121
123 public void postBuild(Object parameter) throws Exception
124 {
125 }
126
127
128 public void postLoad(Object parameter) throws Exception
129 {
130 locales.addAll((Collection )parameter);
131 initInlinedInfos();
132 if ( resources != null )
133 initResourceBundle();
134 }
135
136 public void postStore(Object parameter) throws Exception
137 {
138 }
139
140 public void preBuild(Object parameter) throws Exception
141 {
142 }
143
144 public void preStore(Object parameter) throws Exception
145 {
146 }
147
148
149
151 private void initInlinedInfos() throws Exception
152 {
153
156 if (locales.isEmpty())
157 {
158 getDefaultLocale(); }
160 if (castorKeywords == null)
161 {
162 castorKeywords="";
163 }
164 if (shortTitle == null)
165 {
166 shortTitle="";
167 }
168 if (title == null)
169 {
170 title="";
171 }
172 boolean added = add(createLanguage(getDefaultLocale(), null));
173 }
174
175 private void initResourceBundle()
177 {
178 Iterator iter = locales.iterator();
179 while (iter.hasNext())
180 {
181 Locale locale = (Locale )iter.next();
182 ResourceBundle bundle = null;
183 bundle = loadResourceBundle(locale);
184 if (bundle != null)
185 {
186 Language language = createLanguage(locale, bundle);
187 remove(language);
188 add(language);
189 }
190 }
191 }
192
193 private Locale matchLocale(Locale locale)
195 {
196
197 String variant = locale.getVariant();
198 if (variant != null && variant.length() > 0)
199 {
200 locale = new Locale (locale.getLanguage(), locale.getCountry());
201 }
202
203 if (! locales.contains(locale))
204 {
205 String country = locale.getCountry();
206 if (country != null && country.length() > 0)
207 {
208 locale = new Locale (locale.getLanguage(), "");
209 }
210 }
211
212 if (! locales.contains(locale))
213 {
214 locale = getDefaultLocale();
215 }
216
217 return locale;
218 }
219
220
222 public String getCastorKeywords()
223 {
224 return this.castorKeywords;
225 }
226
227
229 public String getResources()
230 {
231 return resources;
232 }
233
234 public String getShortTitle()
235 {
236 return this.shortTitle;
237 }
238
239 public String getTitle()
241 {
242 return this.title;
243 }
244
245 protected ResourceBundle loadResourceBundle(Locale locale)
247 {
248 ResourceBundle resourceBundle = null;
249 try
250 {
251 if (classLoader != null)
252 {
253 resourceBundle=ResourceBundle.getBundle(resources, locale, classLoader);
254 }
255 else
256 {
257 resourceBundle=ResourceBundle.getBundle(resources, locale, Thread.currentThread().getContextClassLoader());
258 }
259 }
260 catch (MissingResourceException x)
261 {
262 return null;
263 }
264 return resourceBundle;
265 }
266
267 public void setCastorKeywords(String keywords)
268 {
269 this.castorKeywords = keywords;
270 }
271
273
274 public void setClassLoader(ClassLoader loader)
275 {
276 this.classLoader = loader;
277 }
278
279 public void setResources(String resources)
280 {
281 this.resources = resources;
282 }
283
284 public void setShortTitle(String shortTitle)
285 {
286 this.shortTitle = shortTitle;
287 }
288
289 public void setTitle(String title)
290 {
291 this.title = title;
292 }
293
294 public String toString()
295 {
296 return toString(0);
297 }
298
299 public String toString(int indent)
300 {
301 StringBuffer buffer = new StringBuffer (50);
302 StringUtils.newLine(buffer,indent);
303 buffer.append(getClass().toString());
304 buffer.append(": ");
305 Iterator iterator = this.iterator();
306 while (iterator.hasNext())
307 {
308 buffer.append(((LanguageImpl)iterator.next()).toString(indent+2));
309 }
310 return buffer.toString();
311 }
312 }
313 |
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