content: /*
   * Created on Aug 14, 2008
   * 
   * 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.
   * 
   * Copyright @2008-2013 the original author or authors.
   */
  package org.fest.swing.edt;
  
  import java.util.concurrent.CountDownLatch;
  
  import javax.annotation.Nonnull;
  import javax.annotation.Nullable;
  
  /**
   * Action executed in the event dispatch thread (EDT.)
   * 
   * @author Alex Ruiz
   */
  abstract class GuiAction implements Runnable {
    private boolean executedInEDT;
    private Throwable caughtException;
    private CountDownLatch executionNotification;
  
    final @Nullable Throwable catchedException() {
      return caughtException;
    }
  
    final void catchedException(@Nullable Throwable catched) {
      caughtException = catched;
    }
  
    final boolean wasExecutedInEDT() {
      return executedInEDT;
    }
  
    final void clearCaughtException() {
      caughtException = null;
    }
  
    final void executionNotification(@Nonnull CountDownLatch c) {
      executionNotification = c;
    }
  
    final void notifyExecutionCompleted() {
      executedInEDT();
      if (executionNotification == null) {
        return;
      }
      executionNotification.countDown();
      executionNotification = null;
    }
  
    private void executedInEDT() {
      executedInEDT = true;
    }
  }