| /* |
| * 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.errorhandling; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.InheritanceUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ExceptionUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ThreadDeathRethrownInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "ThreadDeathNotRethrown"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("thread.death.rethrown.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("thread.death.rethrown.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ThreadDeathRethrownVisitor(); |
| } |
| |
| private static class ThreadDeathRethrownVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitCatchSection(PsiCatchSection section) { |
| super.visitCatchSection(section); |
| final PsiParameter parameter = section.getParameter(); |
| if (parameter == null) { |
| return; |
| } |
| final PsiCodeBlock catchBlock = section.getCatchBlock(); |
| if (catchBlock == null) { |
| return; |
| } |
| final PsiTypeElement typeElement = parameter.getTypeElement(); |
| if (typeElement == null) { |
| return; |
| } |
| final PsiType type = typeElement.getType(); |
| if (!hasJavaLangThreadDeathType(type) || ExceptionUtils.isThrowableRethrown(parameter, catchBlock)) { |
| return; |
| } |
| registerVariableError(parameter); |
| } |
| |
| private static boolean hasJavaLangThreadDeathType(PsiType type) { |
| if (type instanceof PsiDisjunctionType) { |
| final PsiDisjunctionType disjunctionType = (PsiDisjunctionType)type; |
| for (PsiType disjunction : disjunctionType.getDisjunctions()) { |
| if (hasJavaLangThreadDeathType(disjunction)) { |
| return true; |
| } |
| } |
| } |
| else if (type instanceof PsiClassType) { |
| final PsiClassType classType = (PsiClassType)type; |
| final PsiClass aClass = classType.resolve(); |
| if (InheritanceUtil.isInheritor(aClass, "java.lang.ThreadDeath")) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| } |