Android: Consuming Web service

weather.java

HttpUrlconnection connection = null;
BufferedReader reader     = null;
String forecastJsonStr    = null;
 
try {
    URL url    = new URL("http://api.openweathermap.org/data/2.5/forecast/daily?q=94043&mode=json&units=metric&cnt=7");
    connection = (HttpUrlconnection) url.openConnection();
    connection.setRequestMethod("GET");
    connection.connect();
 
    InputStream inputStream = connection.getInputStream();
    StringBuilder builder   = new StringBuilder();
    reader                  = new BufferedReader(new InputStreamReader(inputStream));
 
    String line;
    while ((line = reader.readLine()) != null) {
        builder.append(line + "\n");
    }
    
    forecastJsonStr = builder.toString();
} catch (IOException e) {
    Log.e("PlaceholderFragment", "Error ", e);
} finally {
    if (connection != null) {
        connection.disconnect();
    }
    if (reader != null) {
        try {
            reader.close();
        } catch (final IOException e) {
            Log.e("PlaceholderFragment", "Error closing stream", e);
        }
    }
}