/** * 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 com.github.cameltooling.idea.reference.blueprint; import java.util.Optional; import com.github.cameltooling.idea.reference.blueprint.model.ReferenceableBeanId; import com.github.cameltooling.idea.util.BeanUtils; import com.github.cameltooling.idea.util.CamelIdeaUtils; import com.intellij.openapi.module.Module; import com.intellij.openapi.module.ModuleUtilCore; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiReferenceBase; import org.jetbrains.annotations.NotNull; import org.jetbrains.annotations.Nullable; /** * Reference from an usage of a bean, to its declaration. * * For example - when using bean id in a 'ref' attribute - <property name='xxx' ref='myBean'/>, the myBean is a reference * to its declaration - <bean id='myBean' .../> */ public class BeanReference extends PsiReferenceBase<PsiElement> { private final String id; public BeanReference(@NotNull PsiElement element, @NotNull String id) { super(element); this.id = id; } public String getBeanId() { return id; } @Nullable @Override public PsiElement resolve() { return findReferenceableBeanId() .map(ref -> new ReferenceableIdPsiElement(ref.getElement(), id)) .orElse(null); } public Optional<ReferenceableBeanId> findReferenceableBeanId() { final Module module = ModuleUtilCore.findModuleForPsiElement(getElement()); if (module != null) { return BeanUtils.getService().findReferenceableBeanId(module, id); } else { return Optional.empty(); } } }