/*
* Copyright 2008 Google Inc.
*
* 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.
*/
package com.googlecode.gwt.charts.client.ajaxloader;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
/**
* Helps with the GWT uncaught exception handler.
*/
public abstract class ExceptionHelper {
/**
* If an uncaught exception handler has been registered, execute the Runnable
* in a try/catch block and handle exceptions with the uncaught exception
* handler. Otherwise, run the Runnable and do not catch exceptions.
*
* @param runnable The Runnable to execute.
*/
public static void runProtected(Runnable runnable) {
UncaughtExceptionHandler handler = GWT.getUncaughtExceptionHandler();
if (handler != null) {
try {
runnable.run();
} catch (Throwable e) {
handler.onUncaughtException(e);
}
} else {
runnable.run();
}
}
private ExceptionHelper() {
// do not instantiate
}
}