AsExtensionsBean.java
- /*
- * *********************************************************************************************************************
- *
- * TheseFoolishThings: Miscellaneous utilities
- * http://tidalwave.it/projects/thesefoolishthings
- *
- * Copyright (C) 2009 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *********************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * 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 CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * *********************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
- * git clone https://github.com/tidalwave-it/thesefoolishthings-src
- *
- * *********************************************************************************************************************
- */
- package it.tidalwave.role;
- import javax.annotation.Nonnull;
- import javax.inject.Inject;
- import java.util.List;
- import it.tidalwave.util.As;
- import it.tidalwave.util.NotFoundException;
- import it.tidalwave.role.spi.RoleManager;
- import org.springframework.beans.factory.annotation.Configurable;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @Configurable
- public class AsExtensionsBean
- {
- @Inject @Nonnull
- private RoleManager roleManager;
- public <T> T as (@Nonnull final Object datum,
- @Nonnull final Class<T> roleType,
- @Nonnull final As.NotFoundBehaviour<T> notFoundBehaviour)
- {
- final List<? extends T> roles = asMany(datum, roleType);
- if (roles.isEmpty())
- {
- return notFoundBehaviour.run(new NotFoundException("No " + roleType.getName() + " in " + datum));
- }
- return roles.get(0);
- }
- public <T> List<? extends T> asMany (@Nonnull final Object datum, @Nonnull final Class<T> roleType)
- {
- assert roleManager != null : "roleManager not present or not injected";
- return roleManager.findRoles(datum, roleType);
- }
- }