http Url Post from URL and parameter map - Android Network

Android examples for Network:URL

  1. HOME
  2. Android
  3. Network
  4. URL

Description

http Url Post from URL and parameter map

Demo Code


//package com.java2s;
import android.util.Log;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;
import java.util.Set;

public class Main {
    public static String httpUrlPost(String URL, Map<String, Object> map) {
        String result = "";
        try {/* ww  w  . j  a  v a 2  s  .co m*/
            // url
            URL url = new URL(URL);
            // url
            HttpURLConnection conn = (HttpURLConnection) url
                    .openConnection();
            // post
            conn.setRequestMethod("POST");
            // 
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 
            conn.setRequestProperty("content-type",
                    "application/x-www-form-urlencoded");
            conn.setRequestProperty("Charset", "utf-8");
            // 
            String data = checkMap(map);
            // 
            conn.setRequestProperty("Content-Length",
                    String.valueOf(data.getBytes().length));
            // 
            OutputStream out = conn.getOutputStream();
            out.write(data.getBytes());
            out.flush();
            // 
            InputStream in = conn.getInputStream();
            BufferedReader reader = new BufferedReader(
                    new InputStreamReader(in));
            // 
            if (conn.getResponseCode() == 200) {
                String line = "";
                while ((line = reader.readLine()) != null) {
                    // 
                    result += line;
                }
            } else {// 
                Log.i("info", "HttpUrlConnectionPost");
                result = "";
            }
            // 
            in.close();
            // 
            conn.disconnect();
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return result;
    }

    private static String checkMap(Map<String, Object> map) {
        String data = "";
        Set<String> set = map.keySet();
        for (String key : set) {
            data = data + key + "=" + map.get(key) + "&";
        }
        data = data.substring(0, data.length() - 1);
        return data;
    }
}

Related Tutorials