org.mule.util.NetworkUtils.java Source code

Introduction

Here is the source code for org.mule.util.NetworkUtils.java

Source

/*
 * $Id$
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.util;

import java.net.Socket;
import java.net.URL;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public final class NetworkUtils {
    private static final Log logger = LogFactory.getLog(NetworkUtils.class);

    private NetworkUtils() {
        // utility class only
    }

    public static boolean isServerReachable(URL url, int timeout) {
        int port = url.getPort() != -1 ? url.getPort() : url.getDefaultPort();
        return isServerReachable(url.getHost(), port, timeout);
    }

    public static boolean isServerReachable(String host, int port, int timeout) {
        boolean isServerReachable = false;
        Socket socket = null;

        try {
            socket = TimedSocket.createSocket(host, port, timeout);
            isServerReachable = true;
        } catch (Exception e) {
            logger.debug("Server at " + host + ":" + port + " not reachable. " + e.getMessage());
            try {
                if (socket != null) {
                    socket.close();
                }
            } catch (Exception socketNotClosed) {
                logger.debug(socketNotClosed);
            }
        }

        return isServerReachable;
    }
}