Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (C) 2012 i2peer
 * 
 * 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.
 */

import java.io.IOException;
import java.nio.channels.SocketChannel;
import java.util.concurrent.Callable;
import java.util.concurrent.FutureTask;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

public class Main {
    public static void blockUntilConnected(final SocketChannel channel, long timeout) throws IOException {
        ThreadPoolExecutor executor = new ThreadPoolExecutor(1, 1, timeout, TimeUnit.MILLISECONDS,
                new LinkedBlockingQueue<Runnable>());
        FutureTask<Boolean> future = new FutureTask<Boolean>(new Callable<Boolean>() {
            public Boolean call() {
                while (!channel.isConnected()) {
                    try {
                        Thread.sleep(300);
                    } catch (InterruptedException e) {
                    }
                }
                return true;
            }
        });
        executor.execute(future);

        try {
            future.get(timeout, TimeUnit.MILLISECONDS);
        } catch (Exception e) {
            channel.close();
            throw new IOException(e);
        }
    }
}