HttpClient中使用代理连接

转载声明:版权规文章原创作者所有
转载时间:2007年07月20日

转载作者:pablo3518

HttpClient中使用代理连接

import java.io.IOException;

import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.GetMethod;

/**
 *
 * @author jiawu,jiang
 *
 */
public class Httpclient {

 
 private static String url ="http://www.163.com";
 
 /**
  * @param args
  */
 public static void main(String[] args) {

  HttpClient client = new HttpClient();
  HttpMethod method = new GetMethod(url);
  //代理的用户名和密码
  UsernamePasswordCredentials creds = new UsernamePasswordCredentials("", "");
  //代理服务器
  //client.getState().setCredentials( new AuthScope("192.168.0.254",3128),creds);
  client.getState().setProxyCredentials(AuthScope.ANY, creds); 
  HostConfiguration hcf =new HostConfiguration ();
  hcf.setProxy("192.168.0.254",3128);
  //method.setDoAuthentication( true );
     try {
       int statusCode = client.executeMethod(hcf,method);
       System.out.println("");
       if (statusCode != HttpStatus.SC_OK) {
         System.err.println("Method failed: " + method.getStatusLine());
       }
       byte[] responseBody = method.getResponseBody();
       System.out.println(new String(responseBody));
     } catch (HttpException e) {
       System.err.println("Fatal protocol violation: " + e.getMessage());
       e.printStackTrace();
     } catch (IOException e) {
       System.err.println("Fatal transport error: " + e.getMessage());
       e.printStackTrace();
     } finally {
       method.releaseConnection();
     } 
 }
}