Java tutorial
//package com.java2s; /* * Copyright JTheque (Baptiste Wicht) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import javax.swing.SwingUtilities; import java.awt.Component; import java.awt.EventQueue; public class Main { /** * Refresh the specified component. * * @param component The component to refresh. */ public static void refresh(final Component component) { inEdt(new Runnable() { @Override public void run() { SwingUtilities.updateComponentTreeUI(component); } }); } /** * Execute the specified runnable in the EDT. * * @param runnable The runnable to run in EDT. */ public static void inEdt(Runnable runnable) { if (isEDT()) { runnable.run(); } else { EventQueue.invokeLater(runnable); } } /** * Indicate if the current thread is the EDT. * * @return {@code true} if the current thread is the EDT else {@code false}. */ public static boolean isEDT() { return EventQueue.isDispatchThread(); } }