| /* |
| * Copyright 2003-2007 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.threading; |
| |
| import com.intellij.psi.*; |
| import com.siyeh.HardcodedMethodConstants; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ThreadWithDefaultRunMethodInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "thread.with.default.run.method.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "InstantiatingAThreadWithDefaultRunMethod"; |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "thread.with.default.run.method.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ThreadWithDefaultRunMethodVisitor(); |
| } |
| |
| private static class ThreadWithDefaultRunMethodVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitNewExpression(@NotNull PsiNewExpression expression) { |
| super.visitNewExpression(expression); |
| final PsiAnonymousClass anonymousClass = expression.getAnonymousClass(); |
| if (anonymousClass != null) { |
| if (definesRun(anonymousClass)) { |
| return; |
| } |
| processExpression(expression, anonymousClass.getBaseClassReference()); |
| } |
| else { |
| final PsiJavaCodeReferenceElement classReference = expression.getClassReference(); |
| if (classReference == null) { |
| return; |
| } |
| processExpression(expression, classReference); |
| } |
| } |
| |
| private void processExpression(PsiNewExpression expression, PsiJavaCodeReferenceElement baseClassReference) { |
| final PsiElement referent = baseClassReference.resolve(); |
| if (referent == null) { |
| return; |
| } |
| final PsiClass referencedClass = (PsiClass)referent; |
| final String referencedClassName = referencedClass.getQualifiedName(); |
| if (!"java.lang.Thread".equals(referencedClassName)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| if (argumentList == null) { |
| return; |
| } |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| for (PsiExpression argument : arguments) { |
| if (TypeUtils.expressionHasTypeOrSubtype(argument, "java.lang.Runnable")) { |
| return; |
| } |
| } |
| |
| registerNewExpressionError(expression); |
| } |
| |
| private static boolean definesRun(PsiAnonymousClass aClass) { |
| final PsiMethod[] methods = aClass.findMethodsByName(HardcodedMethodConstants.RUN, false); |
| for (final PsiMethod method : methods) { |
| final PsiParameterList parameterList = method.getParameterList(); |
| if (parameterList.getParametersCount() == 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| } |