向远程服务器传送XML文件的java代码

package com.yuchai.marketing.vehicleSCM.sendNC;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.CharArrayWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.Socket;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownHostException;
import java.util.Properties;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.io.SAXReader;
import org.w3c.dom.*;

import com.yuchai.marketing.vehicleSCM.xml.builder.NCInvoiceXMLBuilder;
import com.yuchai.marketing.vehicleSCM.xml.builder.SuperBuilder;

/**
* 2006-04-04
* @author weiwei

*/
public class HttpSend {

protected URL url;

private URLConnection conn;

/**
* POST方法是向服务器传送数据，以便服务器做出相应的处理。例如网页上常用的 提交表格。
*/
public void POST(Document content) {
sendMessage(content);
}

/**
* 把xml文件写入到输出流中，从而实现想nc服务器传送数据
*
* @param content
*/
private void sendMessage(Document content) {
try {
OutputStream raw = conn.getOutputStream();
OutputStream buf = new BufferedOutputStream(raw);
OutputStreamWriter out = new OutputStreamWriter(buf);
/*
* SAXReader saxReader = new SAXReader(); Document documentFROMD =
* saxReader.read("d://try.xml");
* documentFROMD.setXMLEncoding("gb2312");
*/
// out.write(new String(content));
out.write(content.asXML());
out.flush();
out.close();
raw.close();
} catch (IOException e) {
new IOException("传送失败");
}
}

/**
* 从输入流中读取回执文件
*
* @return
*/
public Document getReceiverMessage() {
try {

InputStream raw = conn.getInputStream();
InputStream in = new BufferedInputStream(raw);
Reader reader = new InputStreamReader(in);
BufferedReader bufreader = new BufferedReader(reader);

String xmlString = "";

// 输出在后台
int c;
System.out.println("==================Beging====================");
while ((c = bufreader.read()) != -1) {
System.out.print((char) c);
xmlString += (char) c;
}
in.close();
System.out.println("===================End======================");
// 把xml字符串转换成xml文件
Document document = DocumentHelper.parseText(xmlString);
return document;
} catch (DocumentException e) {
new DocumentException("回执文件格式不合法");
} catch (IOException e) {
new IOException("无法取得回执文件");
}
return null;
}

/**
* 建立连接，并设置输出准备为true
*
* @param urlString
*/
public void openServer(String urlString) {
try {
checkHTTP(urlString);
conn = url.openConnection();
conn.setDoOutput(true);
} catch (IOException e) {
new IOException("连接服务器失败");
}
}

/**
* 存储文件
*
* @param bytes
*/
public void saveFile(Document doc) {
Element root = doc.getRootElement();

//生成的文件名可以自己命名，这里是取某个标签里的值

String filename = "d://生成的XML文件//" + "[REC]"
+ root.attributeValue("filename");
try {
OutputFormat format = OutputFormat.createPrettyPrint();
format.setEncoding("gb2312");
XMLWriter writer = new XMLWriter(
new FileWriter(new File(filename)), format);

writer.write(doc);
writer.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

/**
* 检查URL合法性
*
* @param urlString
* @throws ProtocolException
*/
protected void checkHTTP(String urlString) throws ProtocolException {
try {
URL url = new URL(urlString);
if (url == null || !url.getProtocol().toUpperCase().equals("HTTP"))
throw new ProtocolException("这不是HTTP协议");
this.url = url;
} catch (MalformedURLException m) {
throw new ProtocolException("协议格式错误");
}
}
}

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