package gummyflat.blogspot.com.crud_phpmysql;
 
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
import javax.net.ssl.HttpsURLConnection;
 
public class RequestHandler {
    //Metode yang digunakan mengirim httpPostRequest
    public String sendPostRequest(String requestURL, HashMap<String, String> postDataParams) {
        URL url;
        StringBuilder sb = new StringBuilder();
        try {
            url = new URL(requestURL);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setReadTimeout(15000);
            conn.setConnectTimeout(15000);
            conn.setRequestMethod("POST");
            conn.setDoInput(true);
            conn.setDoOutput(true);
 
            OutputStream os = conn.getOutputStream();
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
            writer.write(getPostDataString(postDataParams));
            writer.flush();
            writer.close();
            os.close();
            int responseCode = conn.getResponseCode();
            if (responseCode == HttpsURLConnection.HTTP_OK) {
                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                sb = new StringBuilder();
                String response;
                while ((response = br.readLine()) != null) {
                    sb.append(response);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return sb.toString();
    }
 
    public String sendGetRequest(String requestURL) {
        StringBuilder sb = new StringBuilder();
        try {
            URL url = new URL(requestURL);
            HttpURLConnection con = (HttpURLConnection) url.openConnection();
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String s;
            while ((s = bufferedReader.readLine()) != null) {
                sb.append(s + "\n");
            }
        } catch (Exception e) {
        }
        return sb.toString();
    }
 
    public String sendGetRequestParam(String requestURL, String id) {
        StringBuilder sb = new StringBuilder();
        try {
            URL url = new URL(requestURL + id);
            HttpURLConnection con = (HttpURLConnection) url.openConnection();
            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String s;
            while ((s = bufferedReader.readLine()) != null) {
                sb.append(s + "\n");
            }
        } catch (Exception e) {
        }
        return sb.toString();
    }
 
    private String getPostDataString(HashMap<String, String> params ) throws UnsupportedEncodingException {
        StringBuilder result = new StringBuilder();
        boolean first = true;
        for (Map.Entry<String, String> entry : params.entrySet()) {
            if (first)
                first = false;
            else
                result.append("&amp;");
            result.append(URLEncoder.encode(entry.getKey(), "UTF-8"));
            result.append("=");
            result.append(URLEncoder.encode(entry.getValue(), "UTF-8"));
        }
        return result.toString();
    }
}