android

最近在做毕业设计 放出一段 自己写的android下 使用多线程处理 向服务器请求数据 的代码 请大家多多指教啊！

废话少说啦 直接上代码：

 

/**
 * 
 */
package com.wary.odClient.http;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.List;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import com.wary.odClient.context.AppContext;

/**
 * @author wary 
 * @create 2010-12-15 下午05:41:53
 *
 */
public class MyHttpClient extends Thread
{
	private String pathstr;
	private List<NameValuePair> params;
	private String result;
	private boolean done;

	/**
	 * 
	 */
	public MyHttpClient(String pathstr,List<NameValuePair> params)
	{
		// TODO Auto-generated constructor stub
		this.params = params;
		this.pathstr = pathstr;
		done = false;
	}
	
	public static  String getResult(String pathstr,List<NameValuePair> params)
	{
		MyHttpClient httpClient = new MyHttpClient(pathstr, params);
		long sTime = System.nanoTime();
		httpClient.start();
		while(true)
		{
			if((System.nanoTime() - sTime) > 5000000000l)
			{
				httpClient.interrupt();
				httpClient.setResult("连接超时……");
				httpClient.setDone(true);
				break;
			}else if(httpClient.isDone())
			{
				break;
			}
				
		}
		
		return httpClient.getResult();
	}
	
	
	
	
	@Override
	public void run()
	{
		// TODO Auto-generated method stub
		super.run();
		this.setResult(this.ResponseText());
		while(result == null && !done)
		{
			this.setResult(this.ResponseText());
		}
		this.setDone(true);
		
	}




	public String ResponseText()
	{
		String responseText = null;
		String urlStr = AppContext.serverPath + pathstr;
		HttpPost httpRequest = new HttpPost(urlStr);
		
		try
		{
			if( params != null)
			httpRequest.setEntity(new UrlEncodedFormEntity(params ,HTTP.UTF_8));
			
			HttpResponse httpResponse = new DefaultHttpClient().execute(httpRequest);
			
			if(httpResponse.getStatusLine().getStatusCode() == 200)
			{
				responseText = EntityUtils.toString(httpResponse.getEntity());
				
			}else
			{
				System.out.println(httpResponse.getStatusLine().getReasonPhrase());
			}
			
			
			
			
		} catch (UnsupportedEncodingException e)
		{
			// TODO Auto-generated catch block
			System.out.println(e.getMessage());
			e.printStackTrace();
		} catch (ClientProtocolException e)
		{
			// TODO Auto-generated catch block
			System.out.println(e.getMessage());
			e.printStackTrace();
		} catch (IOException e)
		{
			// TODO Auto-generated catch block
			System.out.println(e.getMessage());
			e.printStackTrace();
		}	
		
		return responseText;
		
	
		
		
	}




	/**
	 * @param result the result to set
	 */
	public void setResult(String result)
	{
		this.result = result;
	}




	/**
	 * @return the result
	 */
	public String getResult()
	{
		return result;
	}




	/**
	 * @param done the done to set
	 */
	public void setDone(boolean done)
	{
		this.done = done;
	}




	/**
	 * @return the done
	 */
	public boolean isDone()
	{
		return done;
	}
}