com.backendless.core.responder.policy.PoJoAdaptingPolicy Maven / Gradle / Ivy

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 *  BACKENDLESS.COM CONFIDENTIAL
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 *  if any. The intellectual and technical concepts contained herein are proprietary to Backendless.com and its
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package com.backendless.core.responder.policy;

import weborb.client.Fault;
import weborb.client.IResponder;
import weborb.exceptions.AdaptingException;
import weborb.types.IAdaptingType;

public class PoJoAdaptingPolicy implements IAdaptingPolicy
{
  @Override
  public Object adapt( Class clazz, IAdaptingType entity, IResponder nextResponder )
  {
    E result = null;

    try
    {
      result = (E) (clazz != null ? entity.adapt( clazz ) : entity.defaultAdapt());

      if( nextResponder != null )
        nextResponder.responseHandler( result );
    }
    catch( AdaptingException e )
    {
      Fault fault = new Fault( "Unable to adapt response to " + clazz.getSimpleName(), e.getMessage() );

      if( nextResponder != null )
        nextResponder.errorHandler( fault );
    }
    catch( ClassCastException e )
    {
      Fault fault = new Fault( "Unable to cast result", e.getMessage() );

      if( nextResponder != null )
        nextResponder.errorHandler( fault );
    }

    return result;
  }
}