001 /* 002 * Created on Aug 11, 2008 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 * 014 * Copyright @2008-2010 the original author or authors. 015 */ 016 package org.fest.swing.edt; 017 018 import static javax.swing.SwingUtilities.isEventDispatchThread; 019 020 import org.fest.swing.exception.ActionFailedException; 021 022 /** 023 * Understands a task that should be executed in the event dispatch thread. 024 * 025 * @author Alex Ruiz 026 */ 027 public abstract class GuiTask extends GuiAction { 028 029 /** 030 * Runs this task action and verifies that it is executed in the event dispatch thread. 031 * @throws ActionFailedException if this task is not executed in the event dispatch thread. 032 */ 033 public final void run() { 034 if (!isEventDispatchThread()) 035 throw ActionFailedException.actionFailure("Task should be executed in the event dispatch thread"); 036 try { 037 executeInEDT(); 038 } catch (Throwable t) { 039 catchedException(t); 040 } finally { 041 notifyExecutionCompleted(); 042 } 043 } 044 045 /** 046 * Specifies the action to execute in the event dispatch thread. 047 * @throws Throwable any error thrown when executing an action in the event dispatch thread. 048 */ 049 protected abstract void executeInEDT() throws Throwable; 050 }