| /* |
| * Copyright 2003-2014 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.numeric; |
| |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.codeInspection.ui.SingleCheckboxOptionsPanel; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.PsiUtil; |
| 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 com.siyeh.ig.PsiReplacementUtil; |
| import com.siyeh.ig.psiutils.ClassUtils; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import javax.swing.*; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public class CachedNumberConstructorCallInspection extends BaseInspection { |
| |
| private static final Set<String> cachedNumberTypes = new HashSet<String>(); |
| |
| static { |
| cachedNumberTypes.add(CommonClassNames.JAVA_LANG_LONG); |
| cachedNumberTypes.add(CommonClassNames.JAVA_LANG_BYTE); |
| cachedNumberTypes.add(CommonClassNames.JAVA_LANG_INTEGER); |
| cachedNumberTypes.add(CommonClassNames.JAVA_LANG_SHORT); |
| } |
| |
| @SuppressWarnings("PublicField") |
| public static boolean ignoreStringArguments = false; |
| |
| @Override |
| @NotNull |
| public String getDisplayName() { |
| return InspectionGadgetsBundle.message( |
| "cached.number.constructor.call.display.name"); |
| } |
| |
| @Override |
| @NotNull |
| public String buildErrorString(Object... infos) { |
| return InspectionGadgetsBundle.message( |
| "cached.number.constructor.call.problem.descriptor"); |
| } |
| |
| @Nullable |
| @Override |
| public JComponent createOptionsPanel() { |
| return new SingleCheckboxOptionsPanel(InspectionGadgetsBundle.message("cached.number.constructor.call.ignore.string.arguments.option"), |
| this, "ignoreStringArguments"); |
| } |
| |
| @Override |
| public BaseInspectionVisitor buildVisitor() { |
| return new LongConstructorVisitor(); |
| } |
| |
| @Override |
| public InspectionGadgetsFix buildFix(Object... infos) { |
| final PsiNewExpression expression = (PsiNewExpression)infos[0]; |
| final PsiJavaCodeReferenceElement classReference = expression.getClassReference(); |
| assert classReference != null; |
| final String className = classReference.getText(); |
| return new CachedNumberConstructorCallFix(className); |
| } |
| |
| private static class CachedNumberConstructorCallFix extends InspectionGadgetsFix { |
| |
| private final String className; |
| |
| CachedNumberConstructorCallFix(String className) { |
| this.className = className; |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionGadgetsBundle.message( |
| "cached.number.constructor.call.quickfix", className); |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return "Replace with '.valueOf' call"; |
| } |
| |
| @Override |
| public void doFix(Project project, ProblemDescriptor descriptor) |
| throws IncorrectOperationException { |
| final PsiNewExpression expression = PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), PsiNewExpression.class, false); |
| assert expression != null; |
| final PsiExpressionList argList = expression.getArgumentList(); |
| assert argList != null; |
| final PsiExpression[] args = argList.getExpressions(); |
| final PsiExpression arg = args[0]; |
| final String text = arg.getText(); |
| PsiReplacementUtil.replaceExpression(expression, className + ".valueOf(" + text + ')'); |
| } |
| } |
| |
| private static class LongConstructorVisitor extends BaseInspectionVisitor { |
| |
| @Override |
| public void visitNewExpression( |
| @NotNull PsiNewExpression expression) { |
| if (!PsiUtil.isLanguageLevel5OrHigher(expression)) { |
| return; |
| } |
| super.visitNewExpression(expression); |
| final PsiType type = expression.getType(); |
| if (type == null) { |
| return; |
| } |
| final String canonicalText = type.getCanonicalText(); |
| if (!cachedNumberTypes.contains(canonicalText)) { |
| return; |
| } |
| final PsiClass aClass = ClassUtils.getContainingClass(expression); |
| if (aClass != null && cachedNumberTypes.contains(aClass.getQualifiedName())) { |
| return; |
| } |
| final PsiExpressionList argumentList = expression.getArgumentList(); |
| if (argumentList == null) { |
| return; |
| } |
| final PsiExpression[] arguments = argumentList.getExpressions(); |
| if (arguments.length != 1) { |
| return; |
| } |
| final PsiExpression argument = arguments[0]; |
| final PsiType argumentType = argument.getType(); |
| if (argumentType == null || (ignoreStringArguments && argumentType.equalsToText(CommonClassNames.JAVA_LANG_STRING))) { |
| return; |
| } |
| registerNewExpressionError(expression, expression); |
| } |
| } |
| } |