Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/ressource/RessourceFactory.java @ 171:7fb9441dd8af

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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>
date Fri, 09 Oct 2009 07:54:48 +0000
parents 8cc96c9cc962
children 7b4e2f80cba2
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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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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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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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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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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 }
http://dive4elements.wald.intevation.org