| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.numeric; |
| |
| import com.intellij.psi.PsiExpression; |
| import com.intellij.psi.PsiExpressionList; |
| import com.intellij.psi.PsiMethodCallExpression; |
| import com.intellij.psi.PsiReferenceExpression; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.TypeUtils; |
| import org.jetbrains.annotations.Nls; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class BigDecimalMethodWithoutRoundingCalledInspection extends BaseInspection { |
| @Nls |
| @NotNull |
| @Override |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("big.decimal.method.without.rounding.called.display.name"); |
| } |
| |
| @NotNull |
| @Override |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("big.decimal.method.without.rounding.called.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new BigDecimalMethodWithoutRoundingCalledVisitor(); |
| } |
| |
| private static class BigDecimalMethodWithoutRoundingCalledVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| final PsiReferenceExpression methodExpression = expression.getMethodExpression(); |
| final String name = methodExpression.getReferenceName(); |
| if (!"setScale".equals(name) && !"divide".equals(name)) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| if (PsiUtilCore.hasErrorElementChild(argumentList)) { |
| return; |
| } |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| if (arguments.length != 1) { |
| return; |
| } |
| if (!TypeUtils.expressionHasTypeOrSubtype(expression, "java.math.BigDecimal")) { |
| return; |
| } |
| registerMethodCallError(expression); |
| } |
| } |
| } |