MainClass.java

...

public static void main(String[] args){
...

MySSLSocketFactory.init();
Field field = SSLSocketFactory.class.getDeclaredFields()[0]; 
		field.setAccessible(true);
		try {
			field.set(null, new MySSLSocketFactory());
		} catch (Exception e) {

		}

...
}

...

MySSLSocketFactory.java

package logic;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.net.SocketFactory;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;

public class MySSLSocketFactory extends SSLSocketFactory {
	
	private static SocketFactory defaultFactory;
	private final static String[] protocols = new String[]{"TLSv1"};
	
	@Override
	public Socket createSocket(Socket s, String host, int port,
			boolean autoClose) throws IOException {
		Socket socket = defaultFactory.createSocket(host, port);
		((SSLSocket) socket).setEnabledProtocols(protocols);
		return socket;
	}

	@Override
	public String[] getDefaultCipherSuites() {
		return protocols;
	}

	@Override
	public String[] getSupportedCipherSuites() {
		return protocols;
	}

	@Override
	public Socket createSocket(String host, int port) throws IOException,
			UnknownHostException {
		Socket socket = defaultFactory.createSocket(host, port);
		((SSLSocket) socket).setEnabledProtocols(protocols);
		return socket;
	}

	@Override
	public Socket createSocket(InetAddress host, int port) throws IOException {
		Socket socket = defaultFactory.createSocket(host, port);
		((SSLSocket) socket).setEnabledProtocols(protocols);
		return socket;
	}

	@Override
	public Socket createSocket(String host, int port, InetAddress localHost,
			int localPort) throws IOException, UnknownHostException {
		Socket socket = defaultFactory.createSocket(host, port, localHost, localPort);
		((SSLSocket) socket).setEnabledProtocols(protocols);
		return socket;
	}

	@Override
	public Socket createSocket(InetAddress address, int port,
			InetAddress localAddress, int localPort) throws IOException {
		Socket socket = defaultFactory.createSocket(address, port, localAddress, localPort);
		((SSLSocket) socket).setEnabledProtocols(protocols);
		return socket;
	}

	public static void init() {
		defaultFactory = SSLSocketFactory.getDefault();
	}

}