SwingUtils.java

/*
 * Copyright 2011 Luke Usherwood.
 *
 * This program 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 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package net.bettyluke.swing;

import java.awt.Component;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.Window;

public class SwingUtils {

    private SwingUtils() {}

    public static Window getWindowForComponent(Component comp) {
        assert comp != null;
        for (; comp != null; comp = comp.getParent()) {
            if (comp instanceof Frame || comp instanceof Dialog) {

                return (Window) comp;
            }
        }
        throw new IllegalStateException();
    }
}