/*******************************************************************************
* Copyright (c) 2010 Robert "Unlogic" Olofsson (unlogic@unlogic.se).
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser Public License v3
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl-3.0-standalone.html
******************************************************************************/
package se.unlogic.standardutils.net;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.UnknownHostException;
public class SocketUtils {
public static Socket getSocket(String host, int port, int timeout) throws IOException{
SocketAddress sockaddr = new InetSocketAddress(host, port);
Socket socket = new Socket();
socket.connect(sockaddr, timeout);
return socket;
}
public static boolean isValidInetAddress(String address){
try {
InetAddress.getByName(address);
return true;
} catch (UnknownHostException e) {
return false;
}
}
public static boolean isPortAvailable(int port) {
try {
ServerSocket srv = new ServerSocket(port);
srv.close();
srv = null;
return true;
} catch (IOException e) {
return false;
}
}
public static void closeSocket(Socket socket) {
if(socket != null){
try {
socket.close();
} catch (IOException e) {}
}
}
}