Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/ressource/RessourceFactory.java @ 171:7fb9441dd8af
Format Code to max 80 Chars per Row and Cleanup
gnv-artifacts/trunk@208 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Fri, 09 Oct 2009 07:54:48 +0000 |
parents | 8cc96c9cc962 |
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1 /** |
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2 * |
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3 */ |
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4 package de.intevation.gnv.artifacts.ressource; |
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5 |
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6 import java.util.MissingResourceException; |
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7 import java.util.ResourceBundle; |
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8 |
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9 import org.apache.log4j.Logger; |
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10 |
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11 import de.intevation.artifacts.PreferredLocale; |
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12 |
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13 /** |
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14 * @author Tim Englich <tim.englich@intevation.de> |
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15 * |
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16 */ |
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17 public class RessourceFactory { |
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18 |
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19 /** |
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20 * the logger, used to log exceptions and additonaly information |
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21 */ |
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22 private static Logger log = Logger.getLogger(RessourceFactory.class); |
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23 |
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24 /** |
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25 * The singleton Instance of this Factory. |
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26 */ |
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27 private static RessourceFactory instance = null; |
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28 |
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29 private static String RESSOURCE_BASE_ID = "artifact.ressource.dir"; |
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30 |
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31 private static String ressourceName = "artifactMessages"; |
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32 private static String DEFAULT_DIR = "lang"; |
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33 |
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34 private String ressourceDir = null; |
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35 |
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36 /** |
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37 * Basic-Constructor of this Class |
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38 */ |
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39 private RessourceFactory() { |
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40 super(); |
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41 ressourceDir = System.getProperty(RESSOURCE_BASE_ID, DEFAULT_DIR); |
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42 } |
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43 |
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44 /** |
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45 * This Method provides an singleton Instance of this Class. |
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46 * |
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47 * @return an singleton Instance of this Class |
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48 */ |
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49 public static synchronized RessourceFactory getInstance() { |
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50 if (instance == null) { |
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51 instance = new RessourceFactory(); |
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52 } |
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53 return instance; |
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54 } |
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55 |
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56 /** |
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57 * Deliveres the translated Value for an Key to an given Language |
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58 * |
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59 * @param locale |
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60 * The choosen locale |
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61 * @param key |
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62 * the key |
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63 * @param defaultValue |
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64 * the Value that should be returned. |
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65 * @return the translated Value |
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66 */ |
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67 public String getRessource(PreferredLocale[] preferredLocales, String key, |
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68 String defaultValue) { |
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69 if (key == null || preferredLocales.length == 0) { |
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70 return defaultValue; |
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71 } |
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72 |
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73 try { |
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74 ResourceBundle rb = ResourceBundle.getBundle(ressourceDir + "/" |
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75 + ressourceName, |
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76 preferredLocales[0].getLocale()); |
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77 |
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78 return rb.getString(key); |
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79 } catch (MissingResourceException mre) { |
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80 log.warn(mre.getLocalizedMessage()); |
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81 return defaultValue; |
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82 } |
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83 } |
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84 } |