Application: gvSIG desktop

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.andami.messages;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.util.Locale;

import java.util.MissingResourceException;

import java.util.Properties;

import java.util.PropertyResourceBundle;

import java.util.ResourceBundle;

/**

 * Clase que accede a los recursos para la i18n

 */

public class Messages {

    /** DOCUMENT ME! */

    private static final String BUNDLE_NAME = "com.iver.andami.text";

    /** DOCUMENT ME! */

    private static ResourceBundle RESOURCE_BUNDLE = null;

    /**

     * Inicializa la clase con el locale adecuado

     *

     * @param loc Locale de la aplicaci?n

     */

    public static void init(Locale loc) {

        RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_NAME, loc);

    }

    /**

     * @param strLocale. Ejemplo: va para valenciano

     * Se trata de permitir coexistir el valenciano con el catal?n.

     * El m?todo buscar? un fichero properties llamado "text_va.properties"

     * para usarlo con RESOURCE_BUNDLE de donde sacar los mensajes

     * traducidos.

     */

    public static void init(String strLocale) {

        final String resName = BUNDLE_NAME.replace('.', '/') + "_" + strLocale + ".properties";

        InputStream stream = (InputStream)java.security.AccessController.doPrivileged(

            new java.security.PrivilegedAction() {

                public Object run() {

                    return this.getClass().getClassLoader().getResourceAsStream(resName);

                }

            }

        );

        if (stream != null) {

            // make sure it is buffered

            stream = new java.io.BufferedInputStream(stream);

            try {

                RESOURCE_BUNDLE = new PropertyResourceBundle(stream);

            } catch (Exception e) {

            } finally {

                try {

                    stream.close();

                } catch (Exception e) {

                    // to avoid propagating an IOException back into the caller

                    // (I'm assuming this is never going to happen, and if it does,

                    // I'm obeying the precedent of swallowing exceptions set by the

                    // existing code above)

                }

            }

        }

    }

    /**

     * Obtiene el valor del recurso con clave 'key'

     *

     * @param key clave del recurso que se quiere obtener

     *

     * @return recurso que se quiere obtener o !key! en caso de no encontrarlo.

     *         En dicho caso no se notifica al framework ya que  estos son los

     *         mensajes propios de la aplicaci?n y deben de estar todos

     */

    public static String getString(String key) {

        try {

            return RESOURCE_BUNDLE.getString(key);

        } catch (MissingResourceException e) {

            return '!' + key + '!';

        }

    }

    public static String get(String key) {

        try {

            return RESOURCE_BUNDLE.getString(key);

        } catch (MissingResourceException e) {

            return null;

        }

    }

}