KeepAliveSocketFactory.java

/**
 * Socket factory with keep alive setting.
 * For using with com.sun.jndi.ldap.LdapCtxFactory add it in the env Hastable:
 * env.put("java.naming.ldap.factory.socket", "yourpackage.KeepAliveSocketFactory");
 */
public class KeepAliveSocketFactory extends SocketFactory {

    @Override
    public Socket createSocket() throws IOException {
        Socket socket = new Socket();
        socket.setKeepAlive(true);
        return socket;
    }

    @Override
    public Socket createSocket(InetAddress host, int port) throws IOException {
        Socket socket = new Socket(host, port);
        socket.setKeepAlive(true);
        return socket;
    }

    @Override
    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort) throws IOException {
        Socket socket = new Socket(address, port, localAddress, localPort);
        socket.setKeepAlive(true);
        return socket;
    }

    @Override
    public Socket createSocket(String host, int port) throws IOException, SocketException {
        Socket socket = new Socket(host, port);
        socket.setKeepAlive(true);
        return socket;
    }

    @Override
    public Socket createSocket(String host, int port, InetAddress localHost, int localPort) throws IOException {
        Socket socket = new Socket(host, port, localHost, localPort);
        socket.setKeepAlive(true);
        return socket;
    }

    public static SocketFactory getDefault() {
        synchronized (KeepAliveSocketFactory.class) {
            return new KeepAliveSocketFactory();
        }
    }
}