| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * 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. |
| */ |
| package com.intellij.spi; |
| |
| import com.intellij.lang.annotation.AnnotationHolder; |
| import com.intellij.lang.annotation.Annotator; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.util.ClassUtil; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.spi.psi.SPIClassProviderReferenceElement; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * User: anna |
| */ |
| public class SPIAnnotator implements Annotator{ |
| @Override |
| public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) { |
| final VirtualFile file = PsiUtilCore.getVirtualFile(element); |
| if (file != null && file.getFileType() instanceof SPIFileType) { |
| final String serviceProviderName = file.getName(); |
| final PsiClass psiClass = |
| ClassUtil.findPsiClass(element.getManager(), serviceProviderName, null, true, element.getContainingFile().getResolveScope()); |
| if (element instanceof PsiFile) { |
| if (psiClass == null) { |
| holder.createErrorAnnotation(element, "No service provider \"" + serviceProviderName + "\' found").setFileLevelAnnotation(true); |
| } |
| } else if (element instanceof SPIClassProviderReferenceElement) { |
| final PsiElement resolve = ((SPIClassProviderReferenceElement)element).resolve(); |
| if (resolve == null) { |
| holder.createErrorAnnotation(element, "Cannot resolve symbol " + element.getText()); |
| } else if (resolve instanceof PsiClass && psiClass != null) { |
| if (!((PsiClass)resolve).isInheritor(psiClass, true)) { |
| holder.createErrorAnnotation(element, "Registered extension should implement " + serviceProviderName); |
| } |
| } |
| } |
| } |
| } |
| } |