com.tempescope.wunderground.WeatherLocationManager.java Source code

Introduction

Here is the source code for com.tempescope.wunderground.WeatherLocationManager.java

Source

package com.tempescope.wunderground;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;

import org.json.simple.JSONObject;

/*
 * WeatherLocationManager.java - manager for locations on Wunderground
 * Released as part of the Tempescope project - http://kenkawakenkenke.github.io/tempescope/
 * Copyright (c) 2013 Ken Kawamoto.  All right reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
public class WeatherLocationManager implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 6116121608138385631L;

    private Set<WeatherLocation> weatherLocations = new HashSet<WeatherLocation>();

    public Set<WeatherLocation> locations() {
        return weatherLocations;
    }

    private HashMap<String, WeatherLocation> locationForFull = new HashMap<String, WeatherLocation>();

    private transient File file;

    public void addWeatherLocation(WeatherLocation location) {
        if (!locationForFull.containsKey(location.full)) {
            weatherLocations.add(location);
            locationForFull.put(location.full, location);
            save();
        }
    }

    public static WeatherLocationManager getManager(File file) {
        if (!file.exists()) {
            WeatherLocationManager manager = new WeatherLocationManager();
            manager.file = file;
            return manager;
        }
        try {
            ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream(file)));
            WeatherLocationManager manager = (WeatherLocationManager) in.readObject();
            in.close();
            manager.file = file;
            return manager;
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }

    public void save() {
        if (file != null) {
            try {
                ObjectOutputStream out = new ObjectOutputStream(
                        new BufferedOutputStream(new FileOutputStream(file)));
                out.writeObject(this);
                out.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}