Ipify API Helper

IpifyApiHelper.java

package com.acronis.ipifydemo;

import android.util.Log;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;

public class IpifyApiHelper {
	private static final String HOST = "https://api.ipify.org";
	private static final String ENCODING = "UTF-8";

	private static final String TAG = IpifyApiHelper.class.getSimpleName();

	public static String loadIpAddress() {
		HttpURLConnection conn = null;
		try {
			conn = (HttpURLConnection) new URL(HOST).openConnection();

			int response = conn.getResponseCode();
			if (response != HttpURLConnection.HTTP_OK) return null;

			BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), Charset.forName(ENCODING)));
			try {
				return reader.readLine();
			} finally {
				reader.close();
			}
		} catch (IOException e) {
			Log.e(TAG, "Couldn't load the IP address", e);
			return null;
		} finally {
			if (conn != null) conn.disconnect();
		}
	}
}