KoneksiActivity.java

------------ SCRIPT UNTUK KoneksiActivity.java --------------------------------------------------------------

package com.ggwp.perpusktg;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.io.*;
import java.net.*;

public class KoneksiActivity {

    //mendapatkan nilai bit yg diperlukan
    public String call(String url){
        int BUFFER_SIZE = 2000;
        InputStream in = null;
        try{
            in = openHttpConnection(url);
        } catch (IOException e) {
            e.printStackTrace();
            return "";
        }
        //membaca nilai bit menjadi nilai karakter
        InputStreamReader inputStreamReader = new InputStreamReader(in);
        int charRead;
        String string = "";
        char[] inputBuffer = new char[BUFFER_SIZE];
        try{
            while ((charRead = inputStreamReader.read(inputBuffer)) > 0) {
                String readString = String.copyValueOf(inputBuffer,0,charRead);
                string += readString;
                inputBuffer = new char[BUFFER_SIZE];
            }
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
            return "";
        }
        return string;
}
//membuka URL dan meminta respon dari input streamreader
private InputStream openHttpConnection(String url) throws IOException {
        InputStream in = null;
        int response = -1;
        URL url1 = new URL(url);
        URLConnection conn = url1.openConnection();
        if(!(conn instanceof HttpURLConnection)) throw new IOException("Not An Http Connection");
        try{
                HttpURLConnection httpurlconnection = (HttpURLConnection) conn;
                httpurlconnection.setAllowUserInteraction(false);
                httpurlconnection.setInstanceFollowRedirects(true);
                httpurlconnection.setRequestMethod("GET");
                httpurlconnection.connect();
                response = httpurlconnection.getResponseCode();
                if(response == HttpURLConnection.HTTP_OK) {
                    in = httpurlconnection.getInputStream();
                }
        } catch (Exception e) {
                    // TODO: handle exception
                    throw new IOException("Error Connecting");
                }
                return in;
        }
}