package com.everyone.android.net;

 

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.HttpURLConnection;

import java.net.URL;

import java.net.URLEncoder;

import java.util.Map;

 

import org.apache.http.protocol.HTTP;

 

import com.everyone.android.callback.ParseCallback;

import com.everyone.android.callback.ResultCallback;

 

public class AsyncHttpPost extends AsyncBaseRequest {

 

    /**

    private static final long serialVersionUID = 3L;

 

    public AsyncHttpPost(String url, Map<String, String> parameter,

            ParseCallback handler, ResultCallback requestCallback) {

        super(url, parameter, handler, requestCallback);

    }

 

    @Override

    protected InputStream getRequestResult() throws IOException {

        StringBuilder sb = new StringBuilder();

        if(parameter!=null && !parameter.isEmpty()){

            for(Map.Entry<String, String> entry : parameter.entrySet()){

                sb.append(entry.getKey()).append('=')

                    .append(URLEncoder.encode(entry.getValue(), HTTP.UTF_8)).append('&');

            }

            sb.deleteCharAt(sb.length()-1);

        }

         

        // 得到实体的二进制数据

        byte[] entitydata = sb.toString().getBytes();

        URL url = new URL(requestUrl);

        mHttpURLConn = (HttpURLConnection)url.openConnection();

        mHttpURLConn.setRequestMethod("POST");

        mHttpURLConn.setConnectTimeout(5 * 1000);

        // 如果通过post提交数据，必须设置允许对外输出数据

        mHttpURLConn.setDoOutput(true);

        mHttpURLConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        mHttpURLConn.setRequestProperty("Content-Length", String.valueOf(entitydata.length));

        OutputStream outStream = mHttpURLConn.getOutputStream();

        outStream.write(entitydata);

        outStream.flush();

        outStream.close();

        if(mHttpURLConn.getResponseCode()== HttpURLConnection.HTTP_OK){

            return mHttpURLConn.getInputStream();

        }

        return null;

    }