tim@117: /**
tim@117:  *
tim@117:  */
tim@117: package de.intevation.gnv.artifacts.ressource;
tim@117: 
tim@117: import java.util.ResourceBundle;
tim@117: 
tim@117: import org.apache.log4j.Logger;
tim@117: 
tim@118: import de.intevation.artifacts.PreferredLocale;
tim@118: 
tim@117: /**
tim@117:  * @author Tim Englich <tim.englich@intevation.de>
tim@117:  *
tim@117:  */
tim@117: public class RessourceFactory {
tim@117: 
tim@117:     /**
tim@117:      * the logger, used to log exceptions and additonaly information
tim@117:      */
tim@117:     private static Logger log = Logger.getLogger(RessourceFactory.class);
tim@117:     
tim@117:     /**
tim@117:      * The singleton Instance of this Factory.
tim@117:      */
tim@117:     private static RessourceFactory instance = null;
tim@117: 
tim@117:     private static String RESSOURCE_BASE_ID = "artifact.ressource.dir";
tim@117:     
tim@117:     private static String ressourceName = "artifactMessages";
tim@117:     
tim@117:     private String ressourceDir = null;
tim@118: 
tim@117:     /**
tim@117:      * Basic-Constructor of this Class
tim@117:      */
tim@117:     private RessourceFactory() {
tim@117:         super();
tim@117:         ressourceDir = System.getProperty(RESSOURCE_BASE_ID);
tim@117:         if (ressourceDir == null){
tim@117:             ressourceDir = "de/intevation/gnv/artifacts/ressource";
tim@117:         }
tim@117:     }
tim@117: 
tim@117:     /**
tim@117:      * This Method provides an singleton Instance of this Class.
tim@117:      * @return an singleton Instance of this Class
tim@117:      */
tim@117:     public static RessourceFactory getInstance(){
tim@117:         if (instance == null){
tim@117:             instance = new RessourceFactory();
tim@117:         }
tim@117:         return instance;
tim@117:     }
tim@117:     
tim@117:     /**
tim@117:      * Deliveres the translated Value for an Key to an given Language
tim@117:      * @param locale The choosen locale
tim@117:      * @param key the key
tim@117:      * @param defaultValue the Value that should be returned.
tim@117:      * @return the translated Value
tim@117:      */
tim@118:     public String getRessource(PreferredLocale[] preferredLocales, String key, String defaultValue){
tim@118:         ResourceBundle rb = ResourceBundle.getBundle(ressourceDir+"/"+ressourceName, preferredLocales[0].getLocale());
tim@117:         try {
tim@117:             return rb.getString(key);
tim@117:         } catch (Exception e) {
tim@117:             log.warn(e.getMessage());
tim@117:             return defaultValue;
tim@117:         }
tim@117:     }
tim@117: }