package at.gv.egiz.eaaf.core.impl.idp.auth.services;

import java.util.Map;

import javax.annotation.Nonnull;

import at.gv.egiz.eaaf.core.api.IRequest;

/**
 * Extension point to add GUI model parameters into error-handling.
 * 
 * @author tlenz
 *
 */
public interface IErrorServiceModelHandler {

  /**
   * Get GUI model elements that should be added into error model.
   * 
   * @param pendingReq Current pendingRequest, but never <code>null</code>
   * @return Model elements to add, but never <code>null</code>
   */
  @Nonnull
  Map<String, String> elementsForErrorModel(@Nonnull IRequest pendingReq);

}