| /* |
| * Copyright 2003-2011 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.intellij.psi.util.InheritanceUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| class ThreadingUtils { |
| |
| private ThreadingUtils() { |
| } |
| |
| public static boolean isWaitCall( |
| @NotNull PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"wait".equals(methodName)) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiParameterList parameterList = method.getParameterList(); |
| final int numParams = parameterList.getParametersCount(); |
| if (numParams > 2) { |
| return false; |
| } |
| final PsiParameter[] parameters = parameterList.getParameters(); |
| if (numParams > 0) { |
| final PsiType parameterType = parameters[0].getType(); |
| if (!parameterType.equals(PsiType.LONG)) { |
| return false; |
| } |
| } |
| if (numParams > 1) { |
| final PsiType parameterType = parameters[1].getType(); |
| if (!parameterType.equals(PsiType.INT)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public static boolean isNotifyOrNotifyAllCall( |
| @NotNull PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"notify".equals(methodName) && !"notifyAll".equals(methodName)) { |
| return false; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] args = argumentList.getExpressions(); |
| return args.length == 0; |
| } |
| |
| public static boolean isSignalOrSignalAllCall( |
| @NotNull PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"signal".equals(methodName) && !"signalAll".equals(methodName)) { |
| return false; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| final PsiExpression[] args = argumentList.getExpressions(); |
| if (args.length != 0) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass containingClass = method.getContainingClass(); |
| if (containingClass == null) { |
| return false; |
| } |
| return InheritanceUtil.isInheritor(containingClass, |
| "java.util.concurrent.locks.Condition"); |
| } |
| |
| public static boolean isAwaitCall( |
| @NotNull PsiMethodCallExpression expression) { |
| final PsiReferenceExpression methodExpression = |
| expression.getMethodExpression(); |
| @NonNls final String methodName = methodExpression.getReferenceName(); |
| if (!"await".equals(methodName) |
| && !"awaitUntil".equals(methodName) |
| && !"awaitUninterruptibly".equals(methodName) |
| && !"awaitNanos".equals(methodName)) { |
| return false; |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return false; |
| } |
| final PsiClass containingClass = method.getContainingClass(); |
| if (containingClass == null) { |
| return false; |
| } |
| return InheritanceUtil.isInheritor(containingClass, |
| "java.util.concurrent.locks.Condition"); |
| } |
| } |