| /* |
| * 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.siyeh.ig.inheritance; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import com.siyeh.ig.fixes.ConvertToVarargsMethodFix; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class ProblematicVarargsMethodOverrideInspection extends BaseInspection { |
| |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("problematic.varargs.method.display.name"); |
| } |
| |
| @NotNull |
| @Override |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("problematic.varargs.method.override.problem.descriptor"); |
| } |
| |
| @Nullable |
| @Override |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new ConvertToVarargsMethodFix(); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new NonVarargsMethodOverridesVarArgsMethodVisitor(); |
| } |
| |
| private static class NonVarargsMethodOverridesVarArgsMethodVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethod(PsiMethod method) { |
| super.visitMethod(method); |
| final PsiParameterList parameterList = method.getParameterList(); |
| final PsiParameter[] parameters = parameterList.getParameters(); |
| if (parameters.length == 0) { |
| return; |
| } |
| final PsiParameter parameter = parameters[parameters.length - 1]; |
| final PsiType type = parameter.getType(); |
| if (!(type instanceof PsiArrayType) || type instanceof PsiEllipsisType) { |
| return; |
| } |
| final PsiMethod[] superMethods = method.findDeepestSuperMethods(); |
| for (final PsiMethod superMethod : superMethods) { |
| if (superMethod.isVarArgs()) { |
| registerMethodError(method); |
| return; |
| } |
| } |
| } |
| } |
| } |