| /* |
| * Copyright 2003-2013 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.visibility; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class TypeParameterHidesVisibleTypeInspectionBase extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("type.parameter.hides.visible.type.display.name"); |
| } |
| |
| @Override |
| protected boolean buildQuickFixesOnlyForOnTheFlyErrors() { |
| return true; |
| } |
| |
| @Override |
| public boolean isEnabledByDefault() { |
| return true; |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| final PsiClass aClass = (PsiClass)infos[0]; |
| if (aClass instanceof PsiTypeParameter) { |
| return InspectionGadgetsBundle.message("type.parameter.hides.type.parameter.problem.descriptor", aClass.getName()); |
| } |
| else { |
| String name = aClass.getQualifiedName(); |
| if (name == null) { |
| name = aClass.getName(); |
| } |
| return InspectionGadgetsBundle.message("type.parameter.hides.visible.type.problem.descriptor", name); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new TypeParameterHidesVisibleTypeVisitor(); |
| } |
| |
| private static class TypeParameterHidesVisibleTypeVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitTypeParameter(PsiTypeParameter parameter) { |
| super.visitTypeParameter(parameter); |
| final String unqualifiedClassName = parameter.getName(); |
| PsiTypeParameterListOwner context = parameter.getOwner(); |
| if (context == null) { |
| return; |
| } |
| final PsiResolveHelper resolveHelper = JavaPsiFacade.getInstance(parameter.getProject()).getResolveHelper(); |
| while (true) { |
| if (context.hasModifierProperty(PsiModifier.STATIC)) { |
| return; |
| } |
| context = PsiTreeUtil.getParentOfType(context, PsiTypeParameterListOwner.class); |
| if (context == null) { |
| return; |
| } |
| final PsiClass aClass = resolveHelper.resolveReferencedClass(unqualifiedClassName, context); |
| if (aClass instanceof PsiTypeParameter) { |
| final PsiTypeParameter typeParameter = (PsiTypeParameter)aClass; |
| final PsiTypeParameterListOwner owner = typeParameter.getOwner(); |
| if (owner == null) { |
| return; |
| } |
| if (!owner.equals(context)) { |
| continue; |
| } |
| } |
| if (aClass != null) { |
| registerClassError(parameter, aClass); |
| return; |
| } |
| } |
| } |
| } |
| } |