private void appendForecastTemperature(SimpleWeatherCondition condition, JSONObject json)
throws JSONException {
WeatherParser parser = new ForecastWeatherParser(json);
AppendableTemperature existedTemp = (AppendableTemperature) condition.getTemperature();
SimpleTemperature newTemp = parser.parseTemperature();
existedTemp.append(newTemp);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.weather);
InputStream weather = checkWeather();
WeatherParser weatherParser = new WeatherParser(weather);
TextView conditionsText = (TextView) findViewById(R.id.conditionsText);
conditionsText.setText(weatherParser.getConditions());
TextView temperatureText = (TextView) findViewById(R.id.temperatureText);
temperatureText.setText(weatherParser.getTemperature() + "ºC");
TextView humidityText = (TextView) findViewById(R.id.humidityText);
humidityText.setText(weatherParser.getHumidity());
}
@Test
public void should_get_weather_info() throws IOException {
WeatherParser parser = new WeatherParser();
Weather weather;
try (InputStream inputStream =
getClass().getClassLoader().getResourceAsStream("new_orleans_weather.xml")) {
weather = parser.parse(inputStream);
}
assertEquals("New Orleans", weather.getCity());
assertEquals("LA", weather.getRegion());
assertEquals("US", weather.getCountry());
assertEquals(66, weather.getTemperature(), 0.001);
assertEquals("Mostly Cloudy", weather.getCondition());
assertEquals("81", weather.getHumidity());
assertEquals("9", weather.getWindSpeed());
}
void parseCurrentWeather(JSONObject json) throws WeatherException {
try {
int code = json.getInt("cod");
if (code != 200) {
this.empty = true;
return;
}
parseCityId(json);
parseLocation(json);
parseTime(json);
WeatherParser parser = new CurrentWeatherParser(json);
parser.parseCondition();
} catch (JSONException e) {
throw new WeatherException("cannot parse the weather", e);
}
this.empty = false;
}
private void parseForecast(SimpleWeatherCondition condition, JSONObject json)
throws JSONException {
appendForecastTemperature(condition, json);
WeatherParser parser = new ForecastWeatherParser(json);
condition.setHumidity(parser.parseHumidity());
condition.setWind(parser.parseWind());
condition.setPrecipitation(parser.parsePrecipitation());
condition.setCloudiness(parser.parseCloudiness());
parser.parseWeatherType(condition);
}
@Override
protected String[] doInBackground(String... strings) {
// These two need to be declared outside the try/catch
// so that they can be closed in the finally block.
HttpURLConnection urlConnection = null;
BufferedReader reader = null;
// Will contain the raw JSON response as a string.
String forecastJsonStr;
String format = "json";
String units = "metric";
String numDays = "7";
try {
// Construct the URL for the OpenWeatherMap query
// Possible parameters are avaiable at OWM's forecast API page, at
// http://openweathermap.org/API#forecast
final String FORECAST_BASE_URL = "http://api.openweathermap.org/data/2.5/forecast/daily";
final String QUERY_PARAM = "q";
final String FORMAT_PARAM = "format";
final String UNITS_PARAM = "units";
final String DAYS_PARAM = "cnt";
Uri.Builder builder =
Uri.parse(FORECAST_BASE_URL)
.buildUpon()
.appendQueryParameter(QUERY_PARAM, strings[0])
.appendQueryParameter(FORMAT_PARAM, format)
.appendQueryParameter(UNITS_PARAM, units)
.appendQueryParameter(DAYS_PARAM, numDays);
URL url = new URL(builder.build().toString());
// Create the request to OpenWeatherMap, and open the connection
urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setRequestMethod("GET");
urlConnection.connect();
// Read the input stream into a String
InputStream inputStream = urlConnection.getInputStream();
StringBuffer buffer = new StringBuffer();
if (inputStream == null) {
// Nothing to do.
forecastJsonStr = null;
}
reader = new BufferedReader(new InputStreamReader(inputStream));
String line;
while ((line = reader.readLine()) != null) {
// Since it's JSON, adding a newline isn't necessary (it won't affect parsing)
// But it does make debugging a *lot* easier if you print out the completed
// buffer for debugging.
buffer.append(line + "\n");
}
if (buffer.length() == 0) {
// Stream was empty. No point in parsing.
forecastJsonStr = null;
}
forecastJsonStr = buffer.toString();
} catch (IOException e) {
Log.e(LOG_TAG, "Error ", e);
// If the code didn't successfully get the weather data, there's no point in attemping
// to parse it.
forecastJsonStr = null;
} finally {
if (urlConnection != null) {
urlConnection.disconnect();
}
if (reader != null) {
try {
reader.close();
} catch (final IOException e) {
Log.e(LOG_TAG, "Error closing stream", e);
}
}
}
String[] weather = null;
if (forecastJsonStr != null) {
try {
weather = WeatherParser.getWeatherDataFromJson(forecastJsonStr, 7);
} catch (JSONException e) {
Log.e(LOG_TAG, e.getMessage(), e);
e.printStackTrace();
}
}
return weather;
}
