/** * Licensed under the Artistic License; you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * *      http://displaytag.sourceforge.net/license.html * * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */package org.displaytag;import java.text.MessageFormat;import java.util.MissingResourceException;import java.util.ResourceBundle;/** * Helper class for message bundle access. * @author Fabrizio Giustina * @version $Revision: 1081 $ ($Author: fgiust $) */public final class Messages{    /**     * Base name for the bundle.     */    private static final String BUNDLE_NAME = "org.displaytag.messages"; //$NON-NLS-1$    /**     * Loaded ResourceBundle.     */    private static final ResourceBundle RESOURCE_BUNDLE = ResourceBundle.getBundle(BUNDLE_NAME);    /**     * Don't instantiate.     */    private Messages()    {        // unused    }    /**     * Returns a message from the resource bundle.     * @param key Message key.     * @return message String.     */    public static String getString(String key)    {        try        {            return RESOURCE_BUNDLE.getString(key);        }        catch (MissingResourceException e)        {            return '!' + key + '!';        }    }    /**     * Reads a message from the resource bundle and format it using java MessageFormat.     * @param key Message key.     * @param parameters Parameters to pass to MessageFormat.format()     * @return message String.     */    public static String getString(String key, Object[] parameters)    {        String baseMsg;        try        {            baseMsg = RESOURCE_BUNDLE.getString(key);        }        catch (MissingResourceException e)        {            return '!' + key + '!';        }        return MessageFormat.format(baseMsg, parameters);    }    /**     * Reads a message from the resource bundle and format it using java MessageFormat.     * @param key Message key.     * @param parameter single parameter to pass to MessageFormat.format()     * @return message String.     */    public static String getString(String key, Object parameter)    {        return getString(key, new Object[]{parameter});    }}