| /* |
| * Copyright 2003-2012 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.naming; |
| |
| import com.intellij.codeInspection.ui.SingleCheckboxOptionsPanel; |
| import com.intellij.psi.*; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.psiutils.MethodUtils; |
| import org.jetbrains.annotations.NotNull; |
| |
| import javax.swing.*; |
| |
| public class OverloadedMethodsWithSameNumberOfParametersInspection extends BaseInspection { |
| |
| @SuppressWarnings({"PublicField"}) |
| public boolean ignoreInconvertibleTypes = true; |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message("overloaded.methods.with.same.number.parameters.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message("overloaded.methods.with.same.number.parameters.problem.descriptor"); |
| } |
| |
| @Override |
| public JComponent createOptionsPanel() { |
| return new SingleCheckboxOptionsPanel(InspectionGadgetsBundle.message( |
| "overloaded.methods.with.same.number.parameters.option"), this, "ignoreInconvertibleTypes"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new OverloadedMethodsWithSameNumberOfParametersVisitor(); |
| } |
| |
| private class OverloadedMethodsWithSameNumberOfParametersVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitMethod(@NotNull PsiMethod method) { |
| if (method.isConstructor()) { |
| return; |
| } |
| if (method.getNameIdentifier() == null) { |
| return; |
| } |
| final PsiParameterList parameterList = method.getParameterList(); |
| final int parameterCount = parameterList.getParametersCount(); |
| if (parameterCount == 0) { |
| return; |
| } |
| final PsiClass aClass = method.getContainingClass(); |
| if (aClass == null) { |
| return; |
| } |
| if (MethodUtils.hasSuper(method)) { |
| return; |
| } |
| final String methodName = method.getName(); |
| final PsiMethod[] sameNameMethods = aClass.findMethodsByName(methodName, false); |
| for (PsiMethod sameNameMethod : sameNameMethods) { |
| if (method.equals(sameNameMethod)) { |
| continue; |
| } |
| final PsiParameterList otherParameterList = sameNameMethod.getParameterList(); |
| if (parameterCount == otherParameterList.getParametersCount()) { |
| if (ignoreInconvertibleTypes && !areParameterTypesConvertible(parameterList, otherParameterList)) { |
| return; |
| } |
| registerMethodError(method); |
| return; |
| } |
| } |
| } |
| |
| private boolean areParameterTypesConvertible(PsiParameterList parameterList, PsiParameterList otherParameterList) { |
| final PsiParameter[] parameters = parameterList.getParameters(); |
| final PsiParameter[] otherParameters = otherParameterList.getParameters(); |
| for (int i = 0; i < parameters.length; i++) { |
| final PsiType type = parameters[i].getType(); |
| final PsiType otherType = otherParameters[i].getType(); |
| if (!type.isAssignableFrom(otherType) && !otherType.isAssignableFrom(type)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |
| } |