net.homelinux.penecoptero.android.citybikes.app.AccountHelper.java Source code

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Here is the source code for net.homelinux.penecoptero.android.citybikes.app.AccountHelper.java

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/*
 * Copyright (C) 2010 Jean-Pierre Cadiat
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.homelinux.penecoptero.android.citybikes.app;

import java.io.IOException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.TimeZone;

import org.apache.http.HttpException;
import org.apache.http.client.ClientProtocolException;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class AccountHelper {

    public static final String SERVER_URL = "https://gw.cyclocity.fr/3311a6cea2e49b10";

    private static RESTHelper mRESTHelper; // Handles http requests
    private String token = null; // Stores identification token
    private Date expiryDate = new Date(Long.MAX_VALUE); // The token have a expiry date

    /**
     * Return a map with subscriber account information
     * @param city The city of the subscription
     * @param subscriberNumber the ID of the subscriber as indicated on his card
     * @param subscriberName The family name of the subscriber
     * @param subscriberPIN The PIN code of the subscriber
     * @return A map with subscriber account information
     */
    public JSONObject getSubscriberAccountInfo(String city, String subscriberNumber, String subscriberName,
            String subscriberPIN) {
        String info = getUrl(SERVER_URL + "/client/" + city + "/info/" + subscriberNumber + "?cltNm="
                + subscriberName + "&cltPin=" + subscriberPIN);
        try {
            return new JSONObject(info);
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return new JSONObject();
    }

    private String getUrl(String url) {
        // Check if token is still valid
        if (token == null || expiryDate.before(new Date(System.currentTimeMillis()))) {
            try {
                // Get token
                JSONObject response = new JSONObject(
                        getRESTHelper().restGET(SERVER_URL + "/token/key/b885ab926fdca7dbfbf717084fb36b5f"));
                // Token ID
                token = response.getString("token");
                // Get expiration date given as UTC date and convert it to local time zone
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss'Z'");
                expiryDate = sdf.parse(response.getString("endValidity"));
                expiryDate.setTime(expiryDate.getTime() + TimeZone.getDefault().getOffset(expiryDate.getTime()));

            } catch (ClientProtocolException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (HttpException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (ParseException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }

        try {
            return getRESTHelper().restGET(url + (url.indexOf('?') > 0 ? '&' : '?') + "token=" + token);
        } catch (ClientProtocolException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (HttpException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        return null;
    }

    /**
     * @return Returns a List of cities. Each city is described in a Map of Strings.
     * Each Map contains a "code" value for the city code and a "name" value containing
     * the name of the city.
     */
    public List<Map<String, String>> getCities() {
        try {
            String citiesString = getUrl(SERVER_URL + "/contracts/full");
            JSONArray cities = new JSONArray(citiesString);
            ArrayList<Map<String, String>> citiesList = new ArrayList<Map<String, String>>();
            for (int i = 0; i < cities.length(); i++) {
                JSONObject city = cities.getJSONObject(i);
                Map<String, String> cityMap = new HashMap<String, String>(2);
                cityMap.put("code", city.getString("code"));
                cityMap.put("name", city.getString("name"));
                citiesList.add(cityMap);
            }
            return citiesList;
        } catch (JSONException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return new ArrayList<Map<String, String>>();
        }
    }

    private RESTHelper getRESTHelper() {
        if (mRESTHelper == null) {
            mRESTHelper = new RESTHelper(false, null, null);
        }
        return mRESTHelper;
    }
}