| /* |
| * Copyright 2006-2012 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ig.bugs; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ReflectionForUnavailableAnnotationInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("reflection.for.unavailable.annotation.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("reflection.for.unavailable.annotation.problem.descriptor"); |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ReflectionForUnavailableAnnotationVisitor(); |
| } |
| |
| private static class ReflectionForUnavailableAnnotationVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| final PsiReferenceExpression methodExpression = expression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"isAnnotationPresent".equals(methodName) && !"getAnnotation".equals(methodName)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] args = argumentList.getExpressions(); |
| if (args.length != 1) { |
| return; |
| } |
| final PsiExpression arg = args[0]; |
| if (arg == null) { |
| return; |
| } |
| if (!(arg instanceof PsiClassObjectAccessExpression)) { |
| return; |
| } |
| final PsiExpression qualifier = methodExpression.getQualifierExpression(); |
| if (!TypeUtils.expressionHasTypeOrSubtype(qualifier, "java.lang.reflect.AnnotatedElement")) { |
| return; |
| } |
| final PsiClassObjectAccessExpression classObjectAccessExpression = (PsiClassObjectAccessExpression)arg; |
| final PsiTypeElement operand = classObjectAccessExpression.getOperand(); |
| |
| final PsiClassType annotationClassType = (PsiClassType)operand.getType(); |
| final PsiClass annotationClass = annotationClassType.resolve(); |
| if (annotationClass == null) { |
| return; |
| } |
| final PsiModifierList modifierList = annotationClass.getModifierList(); |
| if (modifierList == null) { |
| return; |
| } |
| final PsiAnnotation retentionAnnotation = modifierList.findAnnotation("java.lang.annotation.Retention"); |
| if (retentionAnnotation == null) { |
| registerError(arg); |
| return; |
| } |
| final PsiAnnotationParameterList parameters = retentionAnnotation.getParameterList(); |
| final PsiNameValuePair[] attributes = parameters.getAttributes(); |
| for (PsiNameValuePair attribute : attributes) { |
| @NonNls final String name = attribute.getName(); |
| if (name != null && !"value".equals(name)) { |
| continue; |
| } |
| final PsiAnnotationMemberValue value = attribute.getValue(); |
| if (value == null) { |
| continue; |
| } |
| @NonNls final String text = value.getText(); |
| if (!text.contains("RUNTIME")) { |
| registerError(arg); |
| return; |
| } |
| } |
| } |
| } |
| } |