com.backendless.utils.ResponderHelper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of android Show documentation
Android SDK used by developers to provide Backendless API in apps.
There is a newer version: 3.1.0
/*
 * ********************************************************************************************************************
 *  
 *  BACKENDLESS.COM CONFIDENTIAL
 *  

 *  ********************************************************************************************************************
 *  

 *  Copyright 2012 BACKENDLESS.COM. All Rights Reserved.
 *  

 *  NOTICE: All information contained herein is, and remains the property of Backendless.com and its suppliers,
 *  if any. The intellectual and technical concepts contained herein are proprietary to Backendless.com and its
 *  suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret
 *  or copyright law. Dissemination of this information or reproduction of this material is strictly forbidden
 *  unless prior written permission is obtained from Backendless.com.
 *  
 *  ********************************************************************************************************************
 */

package com.backendless.utils;

import com.backendless.Persistence;
import com.backendless.core.responder.AdaptingResponder;
import com.backendless.core.responder.policy.CollectionAdaptingPolicy;
import com.backendless.core.responder.policy.DecoratorCachingAdaptingPolicy;
import com.backendless.core.responder.policy.IAdaptingPolicy;
import com.backendless.core.responder.policy.PoJoAdaptingPolicy;
import com.backendless.exceptions.BackendlessException;
import com.backendless.exceptions.ExceptionMessage;

import java.util.Date;

public class ResponderHelper
{
  public static  AdaptingResponder getCollectionAdaptingResponder( Class entity )
  {
    return getAdaptingResponder( entity, new CollectionAdaptingPolicy() );
  }

  public static   AdaptingResponder getPOJOAdaptingResponder( Class entity )
  {
    return getAdaptingResponder( entity, new PoJoAdaptingPolicy() );
  }

  public static  AdaptingResponder getAdaptingResponder( Class entity, IAdaptingPolicy policy )
  {
    if( needsPhantomCache( entity ) )
      policy = new DecoratorCachingAdaptingPolicy( policy );

    return new AdaptingResponder( entity, policy );
  }

  private static  boolean needsPhantomCache( Class entityClass ) throws BackendlessException
  {
    try
    {
      if( !entityClass.getField( Persistence.DEFAULT_OBJECT_ID_FIELD ).getType().equals( String.class ) )
        throw new IllegalArgumentException( ExceptionMessage.ENTITY_WRONG_OBJECT_ID_FIELD_TYPE );

      if( !entityClass.getField( Persistence.DEFAULT_META_FIELD ).getType().equals( String.class ) )
        throw new IllegalArgumentException( ExceptionMessage.ENTITY_WRONG_META_FIELD_TYPE );

      if( !entityClass.getField( Persistence.DEFAULT_CREATED_FIELD ).getType().equals( Date.class ) )
        throw new IllegalArgumentException( ExceptionMessage.ENTITY_WRONG_CREATED_FIELD_TYPE );

      if( !entityClass.getField( Persistence.DEFAULT_UPDATED_FIELD ).getType().equals( Date.class ) )
        throw new IllegalArgumentException( ExceptionMessage.ENTITY_WRONG_UPDATED_FIELD_TYPE );
    }
    catch( NoSuchFieldException e )
    {
      return true;
    }

    return false;
  }
}