DefaultUserActionProvider.java

  1. /*
  2.  * *************************************************************************************************************************************************************
  3.  *
  4.  * SteelBlue: DCI User Interfaces
  5.  * http://tidalwave.it/projects/steelblue
  6.  *
  7.  * Copyright (C) 2015 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
  8.  *
  9.  * *************************************************************************************************************************************************************
  10.  *
  11.  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
  12.  * You may obtain a copy of the License at
  13.  *
  14.  *     http://www.apache.org/licenses/LICENSE-2.0
  15.  *
  16.  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
  17.  * CONDITIONS OF ANY KIND, either express or implied.  See the License for the specific language governing permissions and limitations under the License.
  18.  *
  19.  * *************************************************************************************************************************************************************
  20.  *
  21.  * git clone https://bitbucket.org/tidalwave/steelblue-src
  22.  * git clone https://github.com/tidalwave-it/steelblue-src
  23.  *
  24.  * *************************************************************************************************************************************************************
  25.  */
  26. package it.tidalwave.ui.core.role.spi;

  27. import jakarta.annotation.Nonnull;
  28. import java.util.Collections;
  29. import java.util.List;
  30. import it.tidalwave.ui.core.role.UserAction;
  31. import it.tidalwave.ui.core.role.UserActionProvider;
  32. import it.tidalwave.util.NotFoundException;

  33. /***************************************************************************************************************************************************************
  34.  *
  35.  * A default implementation of {@link UserActionProvider} which returns no actions.
  36.  *
  37.  * @since   2.0-ALPHA-1
  38.  * @stereotype role
  39.  *
  40.  * @author  Fabrizio Giudici
  41.  *
  42.  **************************************************************************************************************************************************************/
  43. public class DefaultUserActionProvider implements UserActionProvider
  44.   {
  45.     /***********************************************************************************************************************************************************
  46.      * {@inheritDoc}
  47.      **********************************************************************************************************************************************************/
  48.     @Override @Nonnull
  49.     public List<UserAction> getActions()
  50.       {
  51.         return Collections.emptyList();
  52.       }

  53.     /***********************************************************************************************************************************************************
  54.      * {@inheritDoc}
  55.      **********************************************************************************************************************************************************/
  56.     @Override @Nonnull
  57.     public UserAction getDefaultAction()
  58.       throws NotFoundException
  59.       {
  60.         throw new NotFoundException("No default UserAction");
  61.       }
  62.   }