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1
29
38
39 package org.planetamessenger.mos.engine;
40
41 import org.planetamessenger.security.*;
42 import org.planetamessenger.io.*;
43 import org.planetamessenger.db.*;
44
45 import java.sql.*;
46 import java.sql.Connection  ;
47 import java.sql.PreparedStatement ;
48 import java.sql.ResultSet ;
49 import java.util.jar.*;
50 import java.util.*;
51 import java.io.*;
52
53
54 public class JLanguageManager {
55
56 public static final String DEFAULT_LANGUAGE = "english_us";
57 public static final String DEFAULT_LOCALE = "en";
58 private final String LANGUAGE_ATTRIBUTE = "Language";
59 private final String OWNER_ATTRIBUTE = "Owner";
60 private final String LICENSE_ATTRIBUTE = "License";
61 private final String HOMEPAGE_ATTRIBUTE = "HomePage";
62 private final String DESCRIPTION_ATTRIBUTE = "Description";
63 private final String VERSION_ATTRIBUTE = "Version";
64
65 private JJarClassLoader languageClassLoader = null;
66 private JDatabase database = null;
67 private String strLanguageId;
68
69
70
73 public JLanguageManager() {
74
75 languageClassLoader = new JJarClassLoader();
76 database = JSharedObjects.getDatabase();
77
78 try {
79 loadDefaultLanguage();
80 } catch( Exception e ) {
81 try {
82 loadLanguage( DEFAULT_LANGUAGE );
83 } catch( Exception ex ) {
84 System.err.println( "JLanguageManager.JLanguageManager() - " + ex );
85 }
86 }
87 }
88
89
93 public void destroy() {
94
95 try {
96 languageClassLoader.close();
97 } catch( java.util.jar.JarException e ) {
98 System.err.println( "JLanguageManager.destroy() - " + e );
99 }
100 }
101
102
106 public void loadDefaultLanguage() throws Exception {
107
108 String strLanguageId;
109 int nProfileId = JSharedObjects.getProfileManager().getDefaultProfile();
110 ResultSet resultSet = null;
111 Connection conn = null;
112 PreparedStatement st = null;
113
114
115 try{
116 conn = JSharedObjects.getDatabase().getConnection();
117 st = conn.prepareStatement( "SELECT language_id FROM profile WHERE profile_id = ?" );
118 st.setLong( 1, nProfileId );
119
120 resultSet = st.executeQuery();
121
122 if( resultSet == null )
123 throw new Exception ( "JLanguageManager.loadDefaultLanguage() - Database error" );
124
125 resultSet.next();
126 strLanguageId = ( resultSet.getString( "language_id" ) == null ? "" : resultSet.getString( "language_id" ) );
127 resultSet.close();
128 loadLanguage( strLanguageId );
129 } catch( java.sql.SQLException e ) {
130 throw new Exception ( "JLanguageManager.loadDefaultLanguage() - SQLException " + e );
131 } catch( Exception e ) {
132 throw new Exception ( "JLanguageManager.loadDefaultLanguage() - Exception " + e );
133 } finally {
134 resultSet.close();
135 st.close();
136 }
137 }
138
139
143 public void loadLanguage( String strLanguageId ) throws Exception {
144
145 try {
146 languageClassLoader.open( JSharedObjects.getConfiguration().getLanguagesPath() + strLanguageId + ".jar" );
147 this.strLanguageId = strLanguageId;
148 JSharedObjects.getMainWindow().windowRefresh( org.planetamessenger.mos.forms.JMOSWindow.LANGUAGE_REFRESH );
149 } catch( JarException e ) {
150 System.err.println( "JLanguageManager.loadLanguage() - " + e );
151 strLanguageId = "";
152 throw new Exception ( "JLanguageManager.loadLanguage() - Language not found" );
153 }
154 }
155
156
159 public String getCurrentLanguage() {
160
161 return strLanguageId;
162 }
163
164
169 public ArrayList<JLanguageField> getLanguageList() {
170
171 JarFile langJarFile;
172 JarEntry jarEntry;
173 JLanguageField item = null;
174 JFilenameFilter filter = new JFilenameFilter();
175 File langDir = new File( JSharedObjects.getConfiguration().getLanguagesPath() );
176 ArrayList<JLanguageField> langVector = new ArrayList<JLanguageField>();
177 String [] strDirList;
178
179
180 filter.add( "jar" );
181 filter.add( "zip" );
182
183 strDirList = langDir.list( filter );
184
185 for( int nCount = 0; nCount < strDirList.length; nCount++ ) {
187 Manifest manifest;
188 String strLanguageName = strDirList[nCount].substring( 0, strDirList[nCount].indexOf( '.' ) );
189
190 try {
191 langJarFile = new JarFile( JSharedObjects.getConfiguration().getLanguagesPath() + strDirList[nCount] );
192 manifest = langJarFile.getManifest();
193 item = new JLanguageField();
194
195 item.setLanguageId( strLanguageName );
196 item.setLanguage( manifest.getMainAttributes().getValue( LANGUAGE_ATTRIBUTE ) );
197 item.setOwner( manifest.getMainAttributes().getValue( OWNER_ATTRIBUTE ) );
198 item.setLicense( manifest.getMainAttributes().getValue( LICENSE_ATTRIBUTE ) );
199 item.setHomePage( manifest.getMainAttributes().getValue( HOMEPAGE_ATTRIBUTE ) );
200 item.setDescription( manifest.getMainAttributes().getValue( DESCRIPTION_ATTRIBUTE ) );
201 item.setVersion( manifest.getMainAttributes().getValue( VERSION_ATTRIBUTE ) );
202
203 langVector.add( item );
204 langJarFile.close();
205 langJarFile = null;
206 } catch( java.io.IOException e ) {
207 System.err.println( "JLanguageManager.getLanguagesList() - " + e );
208 continue;
209 }
210 }
211
212 langDir = null;
213 filter = null;
214
215 return langVector;
216 }
217
218
223 public JLanguageField getLanguage( String strLanguageId, ArrayList<JLanguageField> vLanguageList ) {
224
225 JLanguageField item = null;
226
227 for( int nCount = 0; nCount <= vLanguageList.size(); nCount++ ) {
228 item = vLanguageList.get( nCount );
229
230 if( item.getLanguageId().compareTo( strLanguageId ) == 0 )
231 return item;
232 }
233
234 return null;
235 }
236
237
241 public String getString( String strKeyName ) throws Exception {
242
243 ResourceBundle resourceBundle = ResourceBundle.getBundle( strLanguageId, Locale.getDefault(), languageClassLoader );
244
245 if( resourceBundle == null )
246 throw new Exception ( "JLanguageManager.getString() - Language not loaded" );
247 else {
248 String strValue = resourceBundle.getString( strKeyName );
249
250 return ( strValue == null ? "RESOURCE ID " + strKeyName + " NOT FOUND" : strValue );
251 }
252 }
253
254
260 public String getStringEx( String strKeyName ) {
261
262 try {
263 return getString( strKeyName );
264 } catch( Exception e ) {
265 System.err.println( "JLanguageManager.getStringEx() - " + e );
266 return strKeyName;
267 }
268 }
269
270
275 public boolean updateProfile( long nProfileId, String strLanguageId ) {
276
277 Connection conn = null;
278 PreparedStatement st = null;
279
280
281 if( nProfileId == -1 )
282 return false;
283
284 try {
285 conn = JSharedObjects.getDatabase().getConnection();
286 st = conn.prepareStatement( "UPDATE profile SET language_id=? WHERE profile_id=?" );
287 st.setString( 1, strLanguageId );
288 st.setLong( 2, nProfileId );
289
290 if( st.executeUpdate() <= 0 )
291 return false;
292
293 } catch( SQLException e ) {
294 System.err.println( "JLanguageManager.updateProfile() - " + e );
295 return false;
296 } finally {
297 if( st != null )
298 try {
299 st.close();
300 } catch( SQLException e ) {
301 System.err.println( "JLanguageManager.updateProfile() - " + e );
302 }
303 }
304
305 return true;
306 }
307 }
308
309 |
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