| // *************************************************************************************************************************** |
| // * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * |
| // * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * |
| // * to you 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. * |
| // *************************************************************************************************************************** |
| package org.apache.juneau.rest.springboot; |
| |
| import static org.apache.juneau.internal.CollectionUtils.*; |
| |
| import java.util.*; |
| import java.util.stream.*; |
| |
| import org.apache.juneau.cp.*; |
| import org.springframework.context.*; |
| |
| /** |
| * A bean store that uses Spring bean resolution to find beans if they're not already in this store. |
| * |
| * <h5 class='section'>See Also:</h5><ul> |
| * <li class='link'><a class="doclink" href="../../../../../index.html#juneau-rest-server-springboot">juneau-rest-server-springboot</a> |
| * </ul> |
| */ |
| public class SpringBeanStore extends BeanStore { |
| |
| private final Optional<ApplicationContext> appContext; |
| |
| /** |
| * Constructor. |
| * |
| * @param appContext The Spring application context used to resolve beans. |
| * @param parent The parent REST object bean store. Can be <jk>null</jk>. |
| * @param resource The REST object. Can be <jk>null</jk>. |
| */ |
| public SpringBeanStore(Optional<ApplicationContext> appContext, Optional<BeanStore> parent, Object resource) { |
| super(create().parent(parent.orElse(null)).outer(resource)); |
| this.appContext = appContext; |
| } |
| |
| @Override |
| public <T> Optional<T> getBean(Class<T> c) { |
| try { |
| Optional<T> o = super.getBean(c); |
| if (o.isPresent()) |
| return o; |
| if (appContext.isPresent()) { |
| return optional(appContext.get().getBeanProvider(c).getIfAvailable()); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| return empty(); |
| } |
| |
| @Override |
| public <T> Optional<T> getBean(Class<T> c, String name) { |
| try { |
| Optional<T> o = super.getBean(c, name); |
| if (o.isPresent()) |
| return o; |
| if (appContext.isPresent()) { |
| ApplicationContext ctx = appContext.get(); |
| if (name != null) |
| return optional(ctx.containsBean(name) ? appContext.get().getBean(name, c) : null); |
| return optional(appContext.get().getBean(c)); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| return empty(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T> Stream<BeanStoreEntry<T>> stream(Class<T> c) { |
| try { |
| Stream<BeanStoreEntry<T>> o = super.stream(c); |
| if (appContext.isPresent()) |
| o = Stream.concat(o, appContext.get().getBeansOfType(c).entrySet().stream().map(x -> BeanStoreEntry.create(c, ()->x.getValue(), x.getKey()))); |
| return o; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| return Collections.emptyList().stream().map(x -> (BeanStoreEntry<T>)x); |
| } |
| } |