ChannelDistributor.xml 内容如下:
1).HttpClient发送Post请求,内容格式为xml,并获取响应内容
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.log4j.Logger;
public class ServiceValidate extends HttpServlet{
private Logger log = Logger.getLogger(ServiceValidate.class);
private static final long serialVersionUID = -6995391540735187530L;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
this.doPost(req, resp);
}
/**
* 发送xml数据请求到服务器端
* @param url xml请求数据地址
* @param xmlString 发送的xml数据流
* @return null发送失败,否则返回响应内容
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
System.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.SimpleLog");
System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "true");
System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.commons.httpclient", "stdout");
String url = "http://localhost:8080/game/testServlet";
String xmlString = getXmlString();
HttpClient client = new HttpClient();
PostMethod myPost = new PostMethod(url);
client.getParams().setSoTimeout(300*1000);
String responseString = null;
try{
myPost.setRequestEntity(new StringRequestEntity(xmlString,"text/xml","utf-8"));
int statusCode = client.executeMethod(myPost);
if(statusCode == HttpStatus.SC_OK){
BufferedInputStream bis = new BufferedInputStream(myPost.getResponseBodyAsStream());
byte[] bytes = new byte[1024];
ByteArrayOutputStream bos = new ByteArrayOutputStream();
int count = 0;
while((count = bis.read(bytes))!= -1){
bos.write(bytes, 0, count);
}
byte[] strByte = bos.toByteArray();
responseString = new String(strByte,0,strByte.length,"utf-8");
bos.close();
bis.close();
}
}catch (Exception e) {
log.error(e.getMessage(), e);
}
myPost.releaseConnection();
client.getHttpConnectionManager().closeIdleConnections(0);
System.out.println("responseString:"+responseString);
}
/**
* 读取xml内容,将请求的xml
* 保存成字符串 进行post发送
* @return
*/
private String getXmlString() {
StringBuilder sb=new StringBuilder();
try {
InputStream inputStream =ServiceValidate.class.getResourceAsStream("/ChannelDistributor.xml");
BufferedReader br=new BufferedReader(new InputStreamReader(inputStream));
String line="";
for(line=br.readLine();line!=null;line=br.readLine()) {
sb.append(line+"\n");
}
} catch (FileNotFoundException e) {
log.error(e.getMessage(), e);
} catch (IOException e) {
log.error(e.getMessage(), e);
}
return sb.toString();
}
@Override
protected void doPut(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
this.doPost(req, resp);
}
}
2).获取HttpClient Post请求数据并响应内容
import org.apache.log4j.Logger;
public class TestServlet extends HttpServlet{
private static final long serialVersionUID = -6175353394519367540L;
private Logger log = Logger.getLogger(TestServlet.class);
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
this.doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
int len = request.getContentLength();
System.out.println("数据流长度:" +len);
//获取HTTP请求的输入流
InputStream is = request.getInputStream();
//已HTTP请求输入流建立一个BufferedReader对象
BufferedReader br = new BufferedReader(new InputStreamReader(is,"UTF-8"));
//读取HTTP请求内容
String buffer = null;
StringBuffer sb = new StringBuffer();
while ((buffer = br.readLine()) != null) {
//在页面中显示读取到的请求参数
sb.append(buffer+"\n");
}
System.out.println("接收post发送数据:\n"+sb.toString().trim());
PrintWriter out = response.getWriter();
StringBuffer stringBuffer = new StringBuffer("");
stringBuffer.append("
stringBuffer.append("
stringBuffer.append("
stringBuffer.append("
out.write(stringBuffer.toString());
out.flush();
out.close();
} catch (Exception e) {
log.error(e.getMessage(), e);
}
}
}
控制台输出如下:
数据流长度:175
接收post发送数据:
responseString: