| /* |
| * 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.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class ThreadPriorityInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getID() { |
| return "CallToThreadSetPriority"; |
| } |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("thread.priority.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "thread.priority.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ThreadSetPriorityVisitor(); |
| } |
| |
| private static class ThreadSetPriorityVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression( |
| @NotNull PsiMethodCallExpression methodCallExpression) { |
| super.visitMethodCallExpression(methodCallExpression); |
| if (!isThreadSetPriority(methodCallExpression)) { |
| return; |
| } |
| if (hasNormalPriorityArgument(methodCallExpression)) { |
| return; |
| } |
| registerMethodCallError(methodCallExpression); |
| } |
| |
| private static boolean isThreadSetPriority( |
| @NotNull PsiMethodCallExpression methodCallExpression) { |
| final PsiReferenceExpression methodExpression = |
| methodCallExpression.getMethodExpression(); |
| final String methodName = methodExpression.getReferenceName(); |
| @NonNls final String setPriority = "setPriority"; |
| if (!setPriority.equals(methodName)) { |
| return false; |
| } |
| final PsiMethod method = methodCallExpression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return false; |
| } |
| final String className = aClass.getQualifiedName(); |
| return "java.lang.Thread".equals(className); |
| } |
| |
| private static boolean hasNormalPriorityArgument( |
| @NotNull PsiMethodCallExpression methodCallExpression) { |
| final PsiExpressionList argumentList = |
| methodCallExpression.getArgumentList(); |
| final PsiExpression[] expressions = argumentList.getExpressions(); |
| if (expressions.length != 1) { |
| return false; |
| } |
| final PsiExpression expression = expressions[0]; |
| if (!(expression instanceof PsiReferenceExpression)) { |
| return false; |
| } |
| final PsiReferenceExpression referenceExpression = |
| (PsiReferenceExpression)expression; |
| final String referenceName = referenceExpression.getReferenceName(); |
| @NonNls final String normPriority = "NORM_PRIORITY"; |
| if (!normPriority.equals(referenceName)) { |
| return false; |
| } |
| final PsiElement element = referenceExpression.resolve(); |
| if (!(element instanceof PsiField)) { |
| return false; |
| } |
| final PsiField field = (PsiField)element; |
| final PsiClass aClass = field.getContainingClass(); |
| final String className = aClass.getQualifiedName(); |
| return "java.lang.Thread".equals(className); |
| } |
| } |
| } |