NLMessages.java

/**
 * This file is part of Archiv-Editor.
 * 
 * The software Archiv-Editor serves as a client user interface for working with
 * the Person Data Repository. See: pdr.bbaw.de
 * 
 * The software Archiv-Editor was developed at the Berlin-Brandenburg Academy
 * of Sciences and Humanities, Jägerstr. 22/23, D-10117 Berlin.
 * www.bbaw.de
 * 
 * Copyright (C) 2010-2013  Berlin-Brandenburg Academy
 * of Sciences and Humanities
 * 
 * The software Archiv-Editor was developed by @author: Christoph Plutte.
 * 
 * Archiv-Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Archiv-Editor 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Archiv-Editor.  
 * If not, see <http://www.gnu.org/licenses/lgpl-3.0.html>.
 */
package org.bbaw.pdr.ae.common;

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

import org.eclipse.osgi.util.NLS;

/** general class for internationalizing strings.
 * @author Christoph Plutte
 *
 */
public final class NLMessages extends NLS
{
	/** Bundle name. */
	private static final String BUNDLE_NAME = "org.bbaw.pdr.ae.common.nl.messages"; //$NON-NLS-1$
	/** Bundle. */
	private static ResourceBundle resourceBundle;
	/** constructor. */
	private NLMessages()
	{
	}
	/** get Resource bundle.
	 * @return resource bundle.
	 */
	private static ResourceBundle getResourceBundle()
	{
		 	if (resourceBundle == null)
		 	{
				try
				{
					resourceBundle = ResourceBundle.getBundle(BUNDLE_NAME, AEConstants.getCurrentLocale());
				}
				catch (MissingResourceException e)
				{
					e.printStackTrace();
					resourceBundle = ResourceBundle.getBundle(BUNDLE_NAME,
							Locale.ENGLISH);
				}
			}
			return resourceBundle;
		}

	  /** get nl string. key = key of string.
	 * @param key key of string.
	 * @return nl string.
	 */
	public static String getString(final String key)
	  {
	     try
	     {
	         return getResourceBundle().getString(key);
	     }
	     catch (MissingResourceException e)
	     {
	    	 e.printStackTrace();
	         return "!" + key + "!";
	     }
	}

}