| /* |
| * 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.javabeans; |
| |
| import com.intellij.codeInspection.ui.SingleCheckboxOptionsPanel; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.PsiParameterList; |
| import com.intellij.psi.PsiTypeParameter; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| |
| public class ClassWithoutNoArgConstructorInspection extends BaseInspection { |
| |
| /** |
| * @noinspection PublicField |
| */ |
| public boolean m_ignoreClassesWithNoConstructors = true; |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "class.without.no.arg.constructor.display.name"); |
| } |
| |
| @Override |
| public JComponent createOptionsPanel() { |
| return new SingleCheckboxOptionsPanel( |
| InspectionGadgetsBundle.message( |
| "class.without.no.arg.constructor.ignore.option"), |
| this, "m_ignoreClassesWithNoConstructors"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "class.without.no.arg.constructor.problem.descriptor"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new ClassWithoutNoArgConstructorVisitor(); |
| } |
| |
| private class ClassWithoutNoArgConstructorVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitClass(@NotNull PsiClass aClass) { |
| // no call to super, so it doesn't drill down |
| if (aClass.isInterface() || aClass.isEnum() || |
| aClass.isAnnotationType()) { |
| return; |
| } |
| if (aClass instanceof PsiTypeParameter) { |
| return; |
| } |
| if (m_ignoreClassesWithNoConstructors && |
| !classHasConstructor(aClass)) { |
| return; |
| } |
| if (classHasNoArgConstructor(aClass)) { |
| return; |
| } |
| registerClassError(aClass); |
| } |
| |
| private boolean classHasNoArgConstructor(PsiClass aClass) { |
| final PsiMethod[] constructors = aClass.getConstructors(); |
| for (final PsiMethod constructor : constructors) { |
| final PsiParameterList parameterList = |
| constructor.getParameterList(); |
| if (parameterList.getParametersCount() == 0) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private boolean classHasConstructor(PsiClass aClass) { |
| final PsiMethod[] constructors = aClass.getConstructors(); |
| return constructors.length != 0; |
| } |
| } |
| } |