de.joinout.criztovyl.tools.json.JSONCalendar.java Source code

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Here is the source code for de.joinout.criztovyl.tools.json.JSONCalendar.java

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/**
This is a part of my tool collection.
Copyright (C) 2014 Christoph "criztovyl" Schulz
    
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/>.
 */
package de.joinout.criztovyl.tools.json;

import java.util.Calendar;

import org.json.JSONObject;

/**
 * A class that holds a {@link Calendar} in an {@link JSONObject}.
 * @author criztovyl
 * 
 */
public class JSONCalendar {

    /**
     * The milliseconds since epoch
     */
    public static final String JSON_EPOCH_MILLIS = "epochMillis";

    private final Calendar calendar;

    private JSONObject json;

    /**
     * Creates a new JsonCalendar from a {@link Calendar}.
     * 
     * @param calendar
     *            the calendar
     */
    public JSONCalendar(Calendar calendar) {
        this.calendar = calendar;

        createJson();
    }

    /**
     * Creates a new JsonCalendar from a JSON object.
     * 
     * @param json
     *            the JSON object,
     */
    public JSONCalendar(JSONObject json) {

        // Create calendar and clear
        calendar = Calendar.getInstance();
        calendar.clear();

        // Receive
        calendar.setTimeInMillis(json.getLong(JSONCalendar.JSON_EPOCH_MILLIS));

        // Create JSON
        createJson();
    }

    /**
     * Creates a new JsonCalendar from a {@link Long}
     * 
     * @param lonq
     *            the long
     */
    public JSONCalendar(Long lonq) {

        // Create calendar and clear
        calendar = Calendar.getInstance();
        calendar.clear();

        // Set
        calendar.setTimeInMillis(lonq);

        // Create JSON
        createJson();
    }

    /**
     * Creates the JSON Object
     */
    private void createJson() {

        // Create object
        json = new JSONObject();

        // Store
        json.put(JSONCalendar.JSON_EPOCH_MILLIS, calendar.getTimeInMillis());

    }

    /**
     * 
     * @return the calendar
     */
    public Calendar getCalendar() {
        return calendar;
    }

    /**
     * Time will be stored as milliseconds since epoch.
     * 
     * @return the calendar as a JSON object.
     */
    public JSONObject getJSON() {
        return json;
    }

}