Java tutorial
/* * Copyright (c) 2015 AsyncHttpClient Project. All rights reserved. * * This program is licensed to you under the Apache License Version 2.0, * and you may not use this file except in compliance with the Apache License Version 2.0. * You may obtain a copy of the Apache License Version 2.0 at * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, * software distributed under the Apache License Version 2.0 is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under. */ package org.asynchttpclient.netty; import io.netty.util.concurrent.Future; import io.netty.util.concurrent.FutureListener; public abstract class SimpleFutureListener<V> implements FutureListener<V> { @Override public final void operationComplete(Future<V> future) throws Exception { if (future.isSuccess()) { onSuccess(future.getNow()); } else { onFailure(future.cause()); } } protected abstract void onSuccess(V value) throws Exception; protected abstract void onFailure(Throwable t) throws Exception; }