| /* |
| * Copyright 2008-2009 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.style; |
| |
| import com.intellij.codeInspection.CleanupLocalInspectionTool; |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.siyeh.InspectionGadgetsBundle; |
| import com.siyeh.ig.BaseInspection; |
| import com.siyeh.ig.BaseInspectionVisitor; |
| import com.siyeh.ig.InspectionGadgetsFix; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| public class UnnecessaryConstantArrayCreationExpressionInspection extends BaseInspection implements CleanupLocalInspectionTool { |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.constant.array.creation.expression.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| protected String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.constant.array.creation.expression.problem.descriptor"); |
| } |
| |
| @Override |
| @Nullable |
| protected InspectionGadgetsFix buildFix(Object... infos) { |
| return new UnnecessaryConstantArrayCreationExpressionFix(); |
| } |
| |
| private static class UnnecessaryConstantArrayCreationExpressionFix |
| extends InspectionGadgetsFix { |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message( |
| "unnecessary.constant.array.creation.expression.quickfix"); |
| } |
| |
| @Override |
| protected void doFix(Project project, ProblemDescriptor descriptor) |
| throws IncorrectOperationException { |
| final PsiElement element = descriptor.getPsiElement(); |
| if (!(element instanceof PsiNewExpression)) { |
| return; |
| } |
| final PsiNewExpression newExpression = (PsiNewExpression)element; |
| final PsiArrayInitializerExpression arrayInitializer = |
| newExpression.getArrayInitializer(); |
| if (arrayInitializer == null) { |
| return; |
| } |
| newExpression.replace(arrayInitializer); |
| } |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new UnnecessaryConstantArrayCreationExpressionVisitor(); |
| } |
| |
| private static class UnnecessaryConstantArrayCreationExpressionVisitor |
| extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitArrayInitializerExpression( |
| PsiArrayInitializerExpression expression) { |
| super.visitArrayInitializerExpression(expression); |
| final PsiElement parent = expression.getParent(); |
| if (!(parent instanceof PsiNewExpression)) { |
| return; |
| } |
| final PsiElement grandParent = parent.getParent(); |
| if (!(grandParent instanceof PsiVariable)) { |
| return; |
| } |
| final PsiVariable variable = (PsiVariable)grandParent; |
| if (hasGenericTypeParameters(variable)) { |
| return; |
| } |
| registerError(parent); |
| } |
| |
| private static boolean hasGenericTypeParameters(PsiVariable variable) { |
| final PsiType type = variable.getType(); |
| final PsiType componentType = type.getDeepComponentType(); |
| if (!(componentType instanceof PsiClassType)) { |
| return false; |
| } |
| final PsiClassType classType = (PsiClassType)componentType; |
| final PsiType[] parameterTypes = classType.getParameters(); |
| for (PsiType parameterType : parameterTypes) { |
| if (parameterType != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| } |
| } |