/*
* Copyright 2009 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.google.gwt.language.client.transliteration.control;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.GWT.UncaughtExceptionHandler;
/**
* Listener of transliteration events. Override this class' abstract method
* onEvent() to put your own logic.
*/
public abstract class TransliterationEventListener {
/**
* Called when an event is triggered.
*
* @param result the event object
*/
protected abstract void onEvent(TransliterationEventDetail result);
/**
* This wraps onEvent method and provides a framework for catching
* exceptions in callbacks.
*
* @param event the event object.
*/
public void onEventWrapper(TransliterationEventDetail event) {
UncaughtExceptionHandler exceptionHandler = GWT.getUncaughtExceptionHandler();
if (exceptionHandler != null) {
try {
onEvent(event);
} catch (Exception e) {
exceptionHandler.onUncaughtException(e);
}
} else {
onEvent(event);
}
}
}