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Ian Darwin's assorted Java stuff, assembled as an API.

There is a newer version: 1.8.0

// BEGIN main
package com.darwinsys.swingui;

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

import javax.swing.*;

/** Convenience routines for internationalized code.
 * All methods are static, for ease of use.
 */
public class I18N {

	/** Convenience routine to make a JButton */
	public static JButton mkButton(ResourceBundle b, String name) {
		String label;
		try { label = b.getString(name+".label"); }
		catch (MissingResourceException e) { label=name; }
		return new JButton(label);
	}

	/** Convenience routine to make a JMenu */
	public static JMenu mkMenu(ResourceBundle b, String name) {
		String menuLabel;
		try { menuLabel = b.getString(name+".label"); }
		catch (MissingResourceException e) { menuLabel=name; }
		return new JMenu(menuLabel);
	}

	/** Convenience routine to make a JMenuItem */
	public static JMenuItem mkMenuItem(ResourceBundle b,
			String menu, String name) {

		String miLabel;
		try { miLabel = b.getString(menu + "." + name + ".label"); }
		catch (MissingResourceException e) { miLabel=name; }
		String key = null;
		try { key = b.getString(menu + "." + name + ".key"); }
		catch (MissingResourceException e) { key=null; }

		if (key == null)
			return new JMenuItem(miLabel);
		else
			return new JMenuItem(miLabel, key.charAt(0));
	}

	/** Show a JOptionPane message dialog */
	public static void mkDialog(ResourceBundle b,JFrame parent,
		String dialogTag, String titleTag, int messageType) {
			JOptionPane.showMessageDialog(
				parent,
				getString(b, dialogTag, "DIALOG TEXT MISSING: " + dialogTag),
				getString(b, titleTag, "DIALOG TITLE MISSING: "  + titleTag),
				messageType);
	}

	/** Just get a String (for dialogs, labels, etc.) */
	public static String getString(ResourceBundle b, String name, String dflt) {
		String result;
		try {
			result = b.getString(name);
		} catch (MissingResourceException e) {
			result = dflt;
		}
		return result;
	}
}
// END main