/*******************************************************************************
 * Copyright (c) 2000, 2006 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.examples.propertysheet;

import java.text.MessageFormat;
import java.util.MissingResourceException;
import java.util.ResourceBundle;

/**
 * Utility class which helps with managing messages.
 */
/* package */class MessageUtil {

	private static final String RESOURCE_BUNDLE = "org.eclipse.ui.examples.propertysheet.messages";//$NON-NLS-1$

	private static ResourceBundle fgResourceBundle = ResourceBundle
			.getBundle(RESOURCE_BUNDLE);

	private MessageUtil() {
	}

	/**
	 * Returns the formatted message for the given key in
	 * the resource bundle.
	 *
	 * @param key the resource name
	 * @param args the message arguments
	 * @return the string
	 */
	public static String format(String key, Object[] args) {
		return MessageFormat.format(getString(key), args);
	}

	/**
	 * Returns the resource object with the given key in
	 * the resource bundle. If there isn't any value under
	 * the given key, the key is returned, surrounded by '!'s.
	 *
	 * @param key the resource name
	 * @return the string
	 */
	public static String getString(String key) {
		try {
			return fgResourceBundle.getString(key);
		} catch (MissingResourceException e) {
			return "!" + key + "!";//$NON-NLS-2$ //$NON-NLS-1$
		}
	}
}
