com.primitive.applicationmanager.datagram.ApplicationManagerDatagram.java Source code

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Here is the source code for com.primitive.applicationmanager.datagram.ApplicationManagerDatagram.java

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/**
 * ApplicationManagerDatagram
 *
 * @license Dual licensed under the MIT or GPL Version 2 licenses.
 * @author xxxzxxx
 * Copyright 2013, Primitive, inc.
 * The MIT Licens (http://opensource.org/licenses/mit-license.php)
 * GPL Version 2 licenses (http://www.gnu.org/licenses/gpl-2.0.html)
 */
package com.primitive.applicationmanager.datagram;

import java.io.Serializable;
import java.text.ParseException;
import java.util.Date;

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

import com.primitive.library.helper.DateUtility;
import com.primitive.library.common.log.Logger;

/**
 * ApplicationManagerDatagram
 */
public abstract class ApplicationManagerDatagram implements Serializable {
    private static final long serialVersionUID = -4224625233854390371L;
    private final JSONObject json;
    protected static final String Id = "_id";

    /**
     * ApplicationManagerDatagram initialize
     * @param json
     */
    public ApplicationManagerDatagram(final JSONObject json) {
        this.json = json;
    }

    /**
     * ???Date????????
     * @param argTag
     * @return Date
     */
    public Date getDate(final String argTag) {
        final String dateString = this.getString(argTag);
        if (dateString == null) {
            return null;
        }
        Date date = null;
        try {
            date = DateUtility.getUTCDate(dateString);
        } catch (final ParseException ex) {
            Logger.warm(ex);
        }
        return date;
    }

    /**
     * I will return the value that is set to ApplicationManagerDatagram.ID tag
     * @return String
     */
    public String getID() {
        Logger.start();
        return this.getString(ApplicationManagerDatagram.Id);
    }

    /**
     * ???int????????
     * @param argTag
     * @return int
     */
    public int getInt(final String argTag) {
        try {
            return this.json.getInt(argTag);
        } catch (final JSONException ex) {
            Logger.warm(ex);
            return Integer.MIN_VALUE;
        }
    }

    /**
     * ???String????????
     * @param argTag
     * @return String
     */
    public String getString(final String argTag) {
        try {
            return this.json.getString(argTag);
        } catch (final JSONException ex) {
            Logger.warm(ex);
            return null;
        }
    }

    /**
     * ??
     * @return String[]
     */
    protected abstract String[] getTags();

    @Override
    /**
     * ?String???????
     * @retrun String
     */
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        final String[] tags = this.getTags();
        for (final String tag : tags) {
            sb.append(tag + ":" + this.getString(tag) + "\n");
        }
        return sb.toString();
    }
}