java on pc

package javatest;

import com.sun.org.apache.xml.internal.serialize.OutputFormat;
import com.sun.org.apache.xml.internal.serialize.XMLSerializer;
import java.io.OutputStream;
import java.io.StringWriter;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;

public class JavaTest {

    private static Socket socket_;
    private static OutputStream outputStream_;

    public static void main(String[] args) {
        try {
            SocketAddress addr = new InetSocketAddress("192.168.1.201", 3000);
            socket_ = new Socket();
            socket_.setSoTimeout(10000);
            socket_.connect(addr, 10000);

            outputStream_ = socket_.getOutputStream();

            //generate some xml
            DocumentBuilderFactory dbf_ = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = dbf_.newDocumentBuilder();
            Document domDoc = docBuilder.newDocument();
            Element rootElement = domDoc.createElement("myStartElement");
            domDoc.appendChild(rootElement);

            Element typeLabelElement = domDoc.createElement("data");
            Text typeLabelText = domDoc.createTextNode("i want to get data!");
            typeLabelElement.appendChild(typeLabelText);
            rootElement.appendChild(typeLabelElement);

            OutputFormat format = new OutputFormat(domDoc);
            format.setIndenting(false);
            StringWriter out = new StringWriter();
            XMLSerializer serializer = new XMLSerializer(out, format);
            serializer.serialize(domDoc);
            System.out.println(">>> sending XML over socket: " + out.toString());
            Thread.sleep(1000);
            outputStream_.write(out.toString().getBytes("UTF-8"));
            outputStream_.flush();
        } catch (Exception ex) {
            System.err.println(ex);
        }
    }
}