request By HTTP Post via URL - Android Network

Android examples for Network:HTTP Request

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Description

request By HTTP Post via URL

Demo Code


//package com.java2s;
import java.io.DataOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import android.util.Log;

public class Main {
    private static final int HTTP_200 = 200;
    private static final String TAG_POST = "Web POST";

    public static void requestByPost(String path) throws Throwable {
        // byte/*from w  w  w . java  2s.co m*/
        String params = "id=" + URLEncoder.encode("t_stop", "UTF-8");
        byte[] postData = params.getBytes();
        // ?URL
        URL url = new URL(path);
        // HttpURLConnection
        HttpURLConnection urlConn = (HttpURLConnection) url
                .openConnection();
        // 
        urlConn.setConnectTimeout(5 * 10000);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        urlConn.setRequestMethod("POST");
        urlConn.setInstanceFollowRedirects(true);
        urlConn.setRequestProperty("Content-Type",
                "application/x-www-form-urlencode");
        // 
        urlConn.connect();
        // 
        DataOutputStream dos = new DataOutputStream(
                urlConn.getOutputStream());
        dos.write(postData);
        dos.flush();
        dos.close();
        // 
        if (urlConn.getResponseCode() == HTTP_200) {
            // 
            byte[] data = readStream(urlConn.getInputStream());
        } 
    }

    public static byte[] readStream(InputStream inStream) throws Exception {
        int count = 0;
        while (count == 0) {
            count = inStream.available();
        }
        byte[] b = new byte[count];
        inStream.read(b);
        return b;
    }
}

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