/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

 */

/*

 *

 * This code is subject to the freebxml License, Version 1.1

 *

 * Copyright (c) 2001 - 2005 freebxml.org.  All rights reserved.

 *

 * $Header: /zpool01/javanet/scm/svn/tmp/cvs2svn/fi/FastInfoset/src/com/sun/xml/internal/fastinfoset/AbstractResourceBundle.java,v 1.3.2.4 2009-05-13 08:53:01 oleksiys Exp $

 */

package com.sun.xml.internal.fastinfoset;

import java.text.MessageFormat;

import java.util.Enumeration;

import java.util.Locale;

import java.util.ResourceBundle;

/**

 * This class contains methods common to all *ResourceBundle classes

 *

 * @author FastInfoset team

 */

public abstract class AbstractResourceBundle extends ResourceBundle {

    public static final String LOCALE = "com.sun.xml.internal.fastinfoset.locale";

    /**

     * Gets 'key' from ResourceBundle and format mesage using 'args'.

     *

     * @param key String key for message.

     * @param args Array of arguments for message.

     * @return String formatted message.

     */

    public String getString(String key, Object args[]) {

        String pattern = getBundle().getString(key);

        return MessageFormat.format(pattern, args);

    }

    /**

     * Parse a locale string, return corresponding Locale instance.

     *

     * @param localeString

     * Name for the locale of interest.  If null, use VM default locale.

     * @return New Locale instance.

     */

    public static Locale parseLocale(String localeString) {

        Locale locale = null;

        if (localeString == null) {

            locale = Locale.getDefault();

        } else {

            try {

                String[] args = localeString.split("_");

                if (args.length == 1) {

                    locale = new Locale(args[0]);

                } else if (args.length == 2) {

                    locale = new Locale(args[0], args[1]);

                } else if (args.length == 3) {

                    locale = new Locale(args[0], args[1], args[2]);

                }

            } catch (Throwable t) {

                locale = Locale.getDefault();

            }

        }

        return locale;

    }

    /**

     * Subclasses of this class must implement this method so that the

     * correct resource bundle is passed to methods in this class

     *

     * @return

     *  A java.util.ResourceBundle from the subsclass. Methods in this class

     *  will use this reference.

     */

    public abstract ResourceBundle getBundle();

    /**

     * Since we are changing the ResourceBundle extension point, must

     * implement handleGetObject() using delegate getBundle().  Uses

     * getObject() call to work around protected access to

     * ResourceBundle.handleGetObject().  Happily, this means parent tree

     * of delegate bundle is searched for a match.

     *

     * Implements java.util.ResourceBundle.handleGetObject; inherits that

     * javadoc information.

     *

     * @see java.util.ResourceBundle#handleGetObject(String)

     */

    protected Object handleGetObject(String key) {

       return getBundle().getObject(key);

    }

    /**

     * Since we are changing the ResourceBundle extension point, must

     * implement getKeys() using delegate getBundle().

     *

     * Implements java.util.ResourceBundle.getKeys; inherits that javadoc

     * information.

     *

     * @see java.util.ResourceBundle#getKeys()

     */

    public final Enumeration getKeys() {

       return getBundle().getKeys();

    }

}