package com.stone.tulingdemo;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONObject;

import android.os.AsyncTask;

/**
 * 
 * @author stone
 *  获取异步通讯
 */
public class HttpData extends AsyncTask<String, Void, String> {
	
	private HttpClient httpClient;
	private HttpGet httpGet;	
	private HttpResponse response;
	private HttpEntity httpEntity;
	private String url;
	private InputStream inputStream;
	private HttpGetDatalistener httpGetDatalistener;
	
	public HttpData(String url,HttpGetDatalistener httpGetDatalistener) {
		this.url = url;
		this.httpGetDatalistener = httpGetDatalistener;
	}

	@Override
	protected String doInBackground(String... arg0) {
		try {
			httpClient = new DefaultHttpClient();
			httpGet = new HttpGet(url);
			response = httpClient.execute(httpGet);
			httpEntity = response.getEntity();//获取数据
			inputStream = httpEntity.getContent();//获取内容
			BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));//读取
			String line = null;
			StringBuffer sb = new StringBuffer();//存取数据
			while ((line = br.readLine()) != null) {
				sb.append(line);
			}
			return sb.toString();
		} catch (Exception e) {
			// TODO: handle exception
		}
		return null;
	}
	/**
	 *  覆写方法，获取上面的数据
	 */
	@Override
	protected void onPostExecute(String result) {
		httpGetDatalistener.getDataUrl(result);
		super.onPostExecute(result);
	}
	

}