package com.rl.client;

import java.io.BufferedInputStream;

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.OutputStream;

import java.io.StringReader;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

import java.util.Iterator;

import java.util.List;

import org.dom4j.Document;

import org.dom4j.Element;

import org.dom4j.io.SAXReader;

public class TestHttpURLConnection {

      public static void main(String[] args) throws URLException {

        URL url = new URL("http://127.0.0.1:8080/hello?wsdl");

        URLConnection uc = url.openConnection();

        HttpURLConnection httpuc = (HttpURLConnection) uc;

        httpuc.setDoInput(true);

        httpuc.setDoOutput(true);//开启输入输出

        httpuc.setRequestMethod("POST");

        httpuc.setRequestProperty("Content-Type", "text/xml;charset=UTF-8");

        String data = "<soapenv:Envelop xmlns:soapenv=\"http://schemas.xmlsoap.org/soap\">"

                + "<soapenv:Body>"

                + "<q0:sayBye>"

                + "<arg0>wangwu</arg0>"

                + "</q0:sayBye>"

                + "</soapenv:Body>"

                + "</soapenv:Envelope>";

        OutputStream  out  = httpuc.getOutputStream();

        out.write(data.getBytes());//已经把消息给写过去了.

        if(httpuc.getResponseCode()==200){

            InputStream in = httpuc.getInputStream();//通过输入流把消息接收完

            BufferedReader br = new BufferedReader(new InputStreamReader(in));

            //写Socket的那种输入流的方式来读它

            String line  = null;

            StringBuffer sb = new StringBuffer();

            while((line = br.readLine())!=null ){

                sb.append(line);

            }

            //StringBuffer是一个可变字符串,我们要把它变成一个文档来解析

            //java代码里面解析XML

            SAXReader reader = new SAXReader();

            Document doc = reader.read(new StringReader(sb.toString()));//它的返回值是一个文档对象Document

            List<Element> eList = doc.selectNodes("//return");

            for (Element element : eList) {

                System.out.println(element.getText());

            }

        }

    }

}