HttpRequest.java

import android.util.Log;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpRequest {
	public static String aksesInternet(String urlParam) {
		HttpURLConnection urlConnection = null;
		BufferedReader reader = null;

		String jsonStr = null;
		try {
			URL url = new URL(urlParam);
			urlConnection = (HttpURLConnection) url.openConnection();
			urlConnection.setRequestMethod("GET");
			urlConnection.connect();

			InputStream inputStream = urlConnection.getInputStream();
			StringBuffer buffer = new StringBuffer();
			if (inputStream == null) {
				jsonStr = null;
			}
			reader = new BufferedReader(new InputStreamReader(inputStream));
			String line;
			while((line = reader.readLine()) != null) {
				buffer.append(line).append("\n");
			}

			if (buffer.length() != 0) {
				jsonStr = buffer.toString();
			}
		} catch (IOException e) {
			Log.e("HttpRequest", "Error", e);
		} finally {
			if (urlConnection != null) {
				urlConnection.disconnect();
			}
			if (reader != null) {
				try {
					reader.close();
				} catch (final IOException e) {
					Log.e("HttpRequest", "Error closing stream", e);
				}
			}
		}
		return jsonStr;
	}
}