com.frapim.windwatch.wunderground.Api.java Source code

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Here is the source code for com.frapim.windwatch.wunderground.Api.java

Source

package com.frapim.windwatch.wunderground;

import android.util.Log;

import com.frapim.windwatch.Http;
import com.frapim.windwatch.Tide;
import com.frapim.windwatch.Wind;
import com.frapim.windwatch.Wind.Direction;

import org.json.JSONException;
import org.json.JSONObject;

/**
* WindWatch - Wind tracking application compatible with Android Wear.
* Copyright (C) 2014  Francisco Pimenta
    
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
    
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
    
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

public class Api {
    private static final String TAG = "Api";
    private static final String KEY = "<insert key here>";
    private static final String API_URL_BASE = "http://api.wunderground.com/api/" + KEY + "/";
    private static final String API_LAT_LONG_FRAGMENT = "/q/%f,%f.json";
    private Http mHttp;

    public Api() {
        mHttp = new Http();
    }

    private String getTideUrl(double lat, double lon) {
        return getUrl("tide", lat, lon);
    }

    private String getWindUrl(double lat, double lon) {
        return getUrl("conditions", lat, lon);
    }

    private String getUrl(String function, double lat, double lon) {
        String unformated = API_URL_BASE + function + API_LAT_LONG_FRAGMENT;
        return String.format(unformated, lat, lon);
    }

    public Wind requestWind(double lat, double lon) {
        String url = getWindUrl(lat, lon);
        String json = mHttp.request(url, Http.GET);
        Log.d(TAG, "wind json> " + json);
        return parseWind(json);
    }

    private Wind parseWind(String json) {
        if (json == null) {
            Log.e(TAG, "Null json when getting wind, returning null");
            return Wind.NULL;
        }

        Wind wind = new Wind();
        try {
            JSONObject root = new JSONObject(json);
            JSONObject currentObs = root.getJSONObject(Conditions.CURRENT_OBSERVATION);
            wind.observationTimestamp = currentObs.getLong(Conditions.OBSERVATION_EPOCH);
            JSONObject displayLoc = currentObs.getJSONObject(Conditions.DISPLAY_LOCATION);
            wind.location = displayLoc.getString(Conditions.FULL);
            wind.text = currentObs.getString(Conditions.Wind.TEXT);
            ///wind.degrees = Float.valueOf(currentObs.getString(Conditions.Wind.DEGREES));
            wind.direction = Direction.getFromStr(currentObs.getString(Conditions.Wind.DIRECTION));
            wind.degrees = wind.direction.degrees;
            wind.gustKph = Float.valueOf(currentObs.getString(Conditions.Wind.GUST_KPH));
            wind.gustMph = Float.valueOf(currentObs.getString(Conditions.Wind.GUST_MPH));
            wind.kph = Float.valueOf(currentObs.getString(Conditions.Wind.KPH));
            wind.setMph(Float.valueOf(currentObs.getString(Conditions.Wind.MPH)));
        } catch (JSONException e) {
            Log.e(TAG, "Error parsing json", e);
        }

        return wind;
    }

    public Tide requestTide(double lat, double lon) {
        String url = getTideUrl(lat, lon);
        String json = mHttp.request(url, Http.GET);
        Log.d(TAG, "tide json> " + json);
        return parseTide(json);
    }

    private Tide parseTide(String json) {
        if (json == null) {
            Log.e(TAG, "Null json when getting wind, returning null");
            return Tide.NULL;
        }

        Tide tide = new Tide();
        try {
            JSONObject root = new JSONObject(json);
            JSONObject tideJson = root.getJSONObject(TideTags.TIDE);
            tide.site = tideJson.getString(TideTags.SITE);

        } catch (JSONException e) {
            Log.e(TAG, "Error parsing json", e);
        }

        return tide;
    }

}