| /* |
| * Copyright 2000-2013 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.style; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PropertyUtil; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.ExpressionUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class NestedMethodCallInspectionBase extends BaseInspection { |
| /** |
| * @noinspection PublicField |
| */ |
| public boolean m_ignoreFieldInitializations = true; |
| |
| @SuppressWarnings("PublicField") |
| public boolean ignoreStaticMethods = false; |
| |
| @SuppressWarnings("PublicField") |
| public boolean ignoreGetterCalls = false; |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("nested.method.call.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("nested.method.call.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new NestedMethodCallVisitor(); |
| } |
| |
| @Override |
| protected boolean buildQuickFixesOnlyForOnTheFlyErrors() { |
| return true; |
| } |
| |
| private class NestedMethodCallVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) { |
| super.visitMethodCallExpression(expression); |
| PsiExpression outerExpression = expression; |
| while (outerExpression != null && outerExpression.getParent() instanceof PsiExpression) { |
| outerExpression = (PsiExpression)outerExpression.getParent(); |
| } |
| if (outerExpression == null) { |
| return; |
| } |
| final PsiElement parent = outerExpression.getParent(); |
| if (!(parent instanceof PsiExpressionList)) { |
| return; |
| } |
| final PsiElement grandParent = parent.getParent(); |
| if (!(grandParent instanceof PsiCallExpression)) { |
| return; |
| } |
| if (ExpressionUtils.isConstructorInvocation(grandParent)) { |
| //ignore nested method calls at the start of a constructor, |
| //where they can't be extracted |
| return; |
| } |
| if (m_ignoreFieldInitializations) { |
| final PsiElement field = PsiTreeUtil.getParentOfType(expression, PsiField.class); |
| if (field != null) { |
| return; |
| } |
| } |
| final PsiMethod method = expression.resolveMethod(); |
| if (method == null) { |
| return; |
| } |
| if (ignoreStaticMethods || ignoreGetterCalls) { |
| if (ignoreStaticMethods && method.hasModifierProperty(PsiModifier.STATIC)) { |
| return; |
| } |
| if (ignoreGetterCalls && PropertyUtil.isSimpleGetter(method)) { |
| return; |
| } |
| } |
| registerMethodCallError(expression); |
| } |
| } |
| } |