content: //
  //  Copyright (c) 2014 VK.com
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy of
  //  this software and associated documentation files (the "Software"), to deal in
  //  the Software without restriction, including without limitation the rights to
  //  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  //  the Software, and to permit persons to whom the Software is furnished to do so,
  //  subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in all
  //  copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  //  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  //  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  //  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  //  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  //
  
  /**
   * BaseModel.java
   * vk-android-sdk
   *
   * Created by Babichev Vitaly on 06.01.14.
   * Copyright (c) 2014 VK. All rights reserved.
   */
  package com.vk.sdk.api.model;
  
  import android.os.Parcelable;
  import android.util.SparseArray;
  import org.json.JSONException;
  import org.json.JSONObject;
  
  /**
   * Root class for all VK models.
   * Any VK model supports Parcelable interface so you can pass it as extra.
   *
   * VK model is also allows you to store some object inside as a tag.
   * These objects are retained by hard links,
   * and never will be saved during parcelization.
   */
  @SuppressWarnings("unused")
  public abstract class VKApiModel implements Parcelable {
  
      public JSONObject fields;
      /**
       * The model's tag.
       */
      private Object mTag;
  
      /**
       * Map used to store model's tags.
       */
      private SparseArray<Object> mKeyedTags;
  
  	/**
  	 * Creates empty model
  	 */
  	public VKApiModel() {
  
  	}
      /**
       * Returns this model's tag.
       *
       * @return the Object stored in this model as a tag
       *
       * @see #setTag(Object)
       * @see #getTag(int)
       */
      public Object getTag() {
          return mTag;
      }
  
      /**
       * Sets the tag associated with this model. A tag can be used to store
       * data within a model without resorting to another data structure.
       *
       * @param tag an Object to tag the model with
       *
       * @see #getTag()
       * @see #setTag(int, Object)
       */
      public void setTag(Object tag) {
          mTag = tag;
      }
  
      /**
       * Returns the tag associated with this model and the specified key.
       *
       * @param key The key identifying the tag
       *
       * @return the Object stored in this model as a tag
       *
       * @see #setTag(int, Object)
       * @see #getTag()
       */
      public Object getTag(int key) {
          if (mKeyedTags != null) return mKeyedTags.get(key);
          return null;
      }
  
      /**
       * Sets a tag associated with this model and a key. A tag can be used
       * to store data within a model without resorting to another
       * data structure.
       *
       * @see #setTag(Object)
       * @see #getTag(int)
       */
      public void setTag(int key, final Object tag) {
          if (mKeyedTags == null) {
              mKeyedTags = new SparseArray<Object>(2);
          }
          mKeyedTags.put(key, tag);
      }
  
  	public VKApiModel(JSONObject from) throws JSONException
  	{
  		parse(from);
  	}
      /**
       * Parses object from source.
       * @param response server API object.
       * @return this object.
       * @throws JSONException if any critical error occurred while parsing.
       */
      public VKApiModel parse(JSONObject response) throws JSONException {
          return ParseUtils.parseViaReflection(this, response);
      }
  }
  