java 通过tcp传送xml文件

做个记号 以后好查

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerFactoryConfigurationError;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.xml.sax.SAXException;
public class TestApp {
public static void main(String[] args) throws UnknownHostException,
    IOException, ParserConfigurationException, SAXException, TransformerFactoryConfigurationError, TransformerException {
   try {
    byte a[] = { 127, 0, 0, 1 };
    InetAddress address = InetAddress.getByAddress(a);
    Socket socket = new Socket(address, 7777);
    OutputStream os = socket.getOutputStream();
    PrintWriter out = new PrintWriter(os, true);
    File file = new File("c:\\test.xml");
    System.out.println(file.getName());
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory
      .newInstance();
    DocumentBuilder docBuilder = docBuilderFactory.newDocumentBuilder();
    Document doc = docBuilder.parse(file);
    Transformer transfomer = TransformerFactory.newInstance()
      .newTransformer();
    transfomer.setOutputProperty("encoding", "GB2312");
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    transfomer.transform((Source) (new DOMSource(doc)),
      new StreamResult(stream));
    out.println(stream.toByteArray());
    out.close();
    socket.close();
   } catch (UnknownHostException e) {
    System.out.println(e);
   } catch (IOException e) {
    System.out.println(e);
   }
}
}