| /* |
| * 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 org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class UnconditionalWaitInspection extends BaseInspection { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "unconditional.wait.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "unconditional.wait.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new UnconditionalWaitVisitor(); |
| } |
| |
| private static class UnconditionalWaitVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethod(@NotNull PsiMethod method) { |
| super.visitMethod(method); |
| if (!method.hasModifierProperty(PsiModifier.SYNCHRONIZED)) { |
| return; |
| } |
| final PsiCodeBlock body = method.getBody(); |
| if (body != null) { |
| checkBody(body); |
| } |
| } |
| |
| @Override |
| public void visitSynchronizedStatement( |
| @NotNull PsiSynchronizedStatement statement) { |
| super.visitSynchronizedStatement(statement); |
| final PsiCodeBlock body = statement.getBody(); |
| if (body != null) { |
| checkBody(body); |
| } |
| } |
| |
| private void checkBody(PsiCodeBlock body) { |
| final PsiStatement[] statements = body.getStatements(); |
| if (statements.length == 0) { |
| return; |
| } |
| for (final PsiStatement statement : statements) { |
| if (isConditional(statement)) { |
| return; |
| } |
| if (!(statement instanceof PsiExpressionStatement)) { |
| continue; |
| } |
| final PsiExpression firstExpression = |
| ((PsiExpressionStatement)statement).getExpression(); |
| if (!(firstExpression instanceof PsiMethodCallExpression)) { |
| continue; |
| } |
| final PsiMethodCallExpression methodCallExpression = |
| (PsiMethodCallExpression)firstExpression; |
| final PsiReferenceExpression methodExpression = |
| methodCallExpression.getMethodExpression(); |
| @NonNls final String methodName = |
| methodExpression.getReferenceName(); |
| if (!HardcodedMethodConstants.WAIT.equals(methodName)) { |
| continue; |
| } |
| final PsiMethod method = methodCallExpression.resolveMethod(); |
| if (method == null) { |
| continue; |
| } |
| final PsiParameterList parameterList = |
| method.getParameterList(); |
| final int numParams = parameterList.getParametersCount(); |
| if (numParams > 2) { |
| continue; |
| } |
| final PsiParameter[] parameters = parameterList.getParameters(); |
| if (numParams > 0) { |
| final PsiType parameterType = parameters[0].getType(); |
| if (!parameterType.equals(PsiType.LONG)) { |
| continue; |
| } |
| } |
| if (numParams > 1) { |
| final PsiType parameterType = parameters[1].getType(); |
| if (!parameterType.equals(PsiType.INT)) { |
| continue; |
| } |
| } |
| registerMethodCallError(methodCallExpression); |
| } |
| } |
| |
| private static boolean isConditional(PsiStatement statement) { |
| return statement instanceof PsiIfStatement; |
| } |
| } |
| } |