001 /* 002 * Copyright 2010-2015 JetBrains s.r.o. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 package org.jetbrains.kotlin.load.java.components; 018 019 import com.intellij.codeInsight.ExternalAnnotationsManager; 020 import com.intellij.psi.PsiAnnotation; 021 import com.intellij.psi.PsiModifierListOwner; 022 import org.jetbrains.annotations.NotNull; 023 import org.jetbrains.annotations.Nullable; 024 import org.jetbrains.kotlin.load.java.structure.JavaAnnotation; 025 import org.jetbrains.kotlin.load.java.structure.JavaAnnotationOwner; 026 import org.jetbrains.kotlin.load.java.structure.impl.JavaAnnotationImpl; 027 import org.jetbrains.kotlin.load.java.structure.impl.JavaElementCollectionFromPsiArrayUtil; 028 import org.jetbrains.kotlin.load.java.structure.impl.JavaModifierListOwnerImpl; 029 import org.jetbrains.kotlin.name.FqName; 030 031 import java.util.Collection; 032 import java.util.Collections; 033 034 public class PsiBasedExternalAnnotationResolver implements ExternalAnnotationResolver { 035 @Nullable 036 @Override 037 public JavaAnnotation findExternalAnnotation(@NotNull JavaAnnotationOwner owner, @NotNull FqName fqName) { 038 if (owner instanceof JavaModifierListOwnerImpl) { 039 JavaModifierListOwnerImpl modifierListOwner = (JavaModifierListOwnerImpl) owner; 040 PsiAnnotation psiAnnotation = findExternalAnnotation(modifierListOwner.getPsi(), fqName); 041 return psiAnnotation == null ? null : new JavaAnnotationImpl(psiAnnotation); 042 } 043 return null; 044 } 045 046 @NotNull 047 @Override 048 public Collection<JavaAnnotation> findExternalAnnotations(@NotNull JavaAnnotationOwner owner) { 049 if (owner instanceof JavaModifierListOwnerImpl) { 050 PsiModifierListOwner psiOwner = ((JavaModifierListOwnerImpl) owner).getPsi(); 051 PsiAnnotation[] annotations = ExternalAnnotationsManager.getInstance(psiOwner.getProject()).findExternalAnnotations(psiOwner); 052 return annotations == null 053 ? Collections.<JavaAnnotation>emptyList() 054 : JavaElementCollectionFromPsiArrayUtil.annotations(annotations); 055 } 056 return Collections.emptyList(); 057 } 058 059 @Nullable 060 public static PsiAnnotation findExternalAnnotation(@NotNull PsiModifierListOwner owner, @NotNull FqName fqName) { 061 return ExternalAnnotationsManager.getInstance(owner.getProject()).findExternalAnnotation(owner, fqName.asString()); 062 } 063 }