import java.io.IOException;
import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.httpclient.HttpClient; 
import org.apache.commons.httpclient.UsernamePasswordCredentials; 

public class GetSample {
    public static void main(String[] args) {
        //构造HttpClient的实例
        HttpClient httpClient = new HttpClient();
        
        httpClient.getState().setCredentials( new AuthScope("http://10.75.72.229", 8080, null), new UsernamePasswordCredentials("admin", "admin"));//10.75.72.229不是本机
        //httpClient.getState().setCredentials( null ,"http://10.75.72.229:8080/manager/status" , new UsernamePasswordCredentials( "admin" , "admin" ) );
        httpClient.getParams().setAuthenticationPreemptive(true);


        //创建GET方法的实例
        GetMethod getMethod = new GetMethod("http://10.75.72.229:8080/manager/status?XML=true");
        getMethod.setDoAuthentication( true );
        //使用系统提供的默认的恢复策略
        getMethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
        try {
            //执行getMethod
            int statusCode = httpClient.executeMethod(getMethod);
            if (statusCode != HttpStatus.SC_OK) {
                System.err.println("Method failed: " + getMethod.getStatusLine());
            }
            //读取内容 
            byte[] responseBody = getMethod.getResponseBody();
            //处理内容
            System.out.println(new String(responseBody));
        }
        catch (HttpException e) {
            //发生致命的异常，可能是协议不对或者返回的内容有问题
            System.out.println("Please check your provided http address!");
            e.printStackTrace();
        }
        catch (IOException e) {
            //发生网络异常
            e.printStackTrace();
        }
        finally {
            //释放连接
            getMethod.releaseConnection();
        }
    }
}