modelibra.swing.app.config.NatLang.java Source code

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Here is the source code for modelibra.swing.app.config.NatLang.java

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/*
 * Modelibra
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package modelibra.swing.app.config;

import java.util.Locale;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.modelibra.util.Log4jConfigurator;

/**
 * Natural language for supporting i18n versions.
 * 
 * @author Dzenan Ridjanovic
 * @version 2008-01-20
 */
public class NatLang {

    private static Log log = LogFactory.getLog(NatLang.class);

    private static final String TEXT_RESOURCES = "modelibra.swing.app.config.TextRes";

    private Locale locale;

    private ResourceBundle resource;

    /**
     * Gets the current locale.
     * 
     * @return current locale
     */
    public Locale getLocale() {
        return locale;
    }

    /**
     * Gets the text based on a given text key for the current language.
     * 
     * @param key
     *            text key
     * @return current language text
     */
    public String getText(String key) {
        String lookFor = null;
        try {
            lookFor = resource.getString(key);
        } catch (MissingResourceException e) {
            System.out.println(e.getMessage() + " // Missing string: " + key);
            lookFor = "Missing string: " + key;
        }
        return lookFor;
    }

    /**
     * Sets the language with the defualt location for text resources.
     * 
     * @param language
     *            language
     */
    public void setNaturalLanguage(String language) {
        setNaturalLanguage(language, TEXT_RESOURCES);
    }

    /**
     * Sets the language with the location for text resources.
     * 
     * @param language
     *            language
     * @param textResources
     *            text resources
     */
    public void setNaturalLanguage(String language, String textResources) {
        try {
            if ((language == null) || (language.equals("en"))) {
                locale = Locale.ENGLISH;
            } else if (language.equals("fr")) {
                locale = Locale.FRENCH;
            } else if (language.equals("ba")) {
                locale = new Locale("ba"); // bosnian language
            } else if (language.equals("hr")) {
                locale = new Locale("hr"); // croatian language
            } else if (language.equals("sr")) {
                locale = new Locale("sr"); // serbian language
            } else { // other languages are not supported, English used
                locale = Locale.ENGLISH;
            }
            resource = ResourceBundle.getBundle(textResources, locale);
        } catch (MissingResourceException e) {
            System.out.println(e.getMessage());
        } catch (Exception e) {
            System.out.println(e.getMessage());
        }
    }

    public static void main(String[] args) {
        Log4jConfigurator log4jConfigurator = new Log4jConfigurator();
        log4jConfigurator.configure();

        NatLang lang = new NatLang();
        lang.setNaturalLanguage("en");
        Locale locale = lang.getLocale();
        log.info("--- Language ---");
        log.info("Country: " + locale.getCountry());
        log.info("Language: " + locale.getLanguage());
        String text = lang.getText("selectDirectory");
        log.info("Selected text: " + text);
    }

}