| /* |
| * Copyright 2000-2014 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.intellij.codeInspection.sameParameterValue; |
| |
| import com.intellij.codeInspection.InspectionsBundle; |
| import com.intellij.codeInspection.LocalQuickFix; |
| import com.intellij.codeInspection.ProblemDescriptor; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.psi.*; |
| import com.intellij.psi.search.searches.ReferencesSearch; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.refactoring.changeSignature.ChangeSignatureProcessor; |
| import com.intellij.refactoring.changeSignature.ParameterInfoImpl; |
| import com.intellij.refactoring.util.CommonRefactoringUtil; |
| import com.intellij.refactoring.util.InlineUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * @author max |
| */ |
| public class SameParameterValueInspection extends SameParameterValueInspectionBase { |
| private static final Logger LOG = Logger.getInstance("#" + SameParameterValueInspectionBase.class.getName()); |
| |
| protected LocalQuickFix createFix(String paramName, String value) { |
| return new InlineParameterValueFix(paramName, value); |
| } |
| |
| public static class InlineParameterValueFix implements LocalQuickFix { |
| private final String myValue; |
| private final String myParameterName; |
| |
| public InlineParameterValueFix(final String parameterName, final String value) { |
| myValue = value; |
| myParameterName = parameterName; |
| } |
| |
| @Override |
| public String toString() { |
| return getParamName() + " " + getValue(); |
| } |
| |
| @Override |
| @NotNull |
| public String getName() { |
| return InspectionsBundle.message("inspection.same.parameter.fix.name", myParameterName, myValue); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getName(); |
| } |
| |
| @Override |
| public void applyFix(@NotNull final Project project, @NotNull ProblemDescriptor descriptor) { |
| final PsiElement element = descriptor.getPsiElement(); |
| final PsiMethod method = PsiTreeUtil.getParentOfType(element, PsiMethod.class); |
| if (method == null) return; |
| PsiParameter parameter = PsiTreeUtil.getParentOfType(element, PsiParameter.class, false); |
| if (parameter == null) { |
| final PsiParameter[] parameters = method.getParameterList().getParameters(); |
| for (PsiParameter psiParameter : parameters) { |
| if (Comparing.strEqual(psiParameter.getName(), myParameterName)) { |
| parameter = psiParameter; |
| break; |
| } |
| } |
| } |
| if (parameter == null) return; |
| if (!CommonRefactoringUtil.checkReadOnlyStatus(project, parameter)) return; |
| |
| final PsiExpression defToInline; |
| try { |
| defToInline = JavaPsiFacade.getInstance(project).getElementFactory().createExpressionFromText(myValue, parameter); |
| } |
| catch (IncorrectOperationException e) { |
| return; |
| } |
| final PsiParameter parameterToInline = parameter; |
| inlineSameParameterValue(method, parameterToInline, defToInline); |
| } |
| |
| public static void inlineSameParameterValue(final PsiMethod method, final PsiParameter parameter, final PsiExpression defToInline) { |
| final Collection<PsiReference> refsToInline = ReferencesSearch.search(parameter).findAll(); |
| |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| PsiExpression[] exprs = new PsiExpression[refsToInline.size()]; |
| int idx = 0; |
| for (PsiReference reference : refsToInline) { |
| if (reference instanceof PsiJavaCodeReferenceElement) { |
| exprs[idx++] = InlineUtil.inlineVariable(parameter, defToInline, (PsiJavaCodeReferenceElement)reference); |
| } |
| } |
| |
| for (final PsiExpression expr : exprs) { |
| if (expr != null) InlineUtil.tryToInlineArrayCreationForVarargs(expr); |
| } |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| }); |
| |
| removeParameter(method, parameter); |
| } |
| |
| public static void removeParameter(final PsiMethod method, final PsiParameter parameter) { |
| final PsiParameter[] parameters = method.getParameterList().getParameters(); |
| final List<ParameterInfoImpl> psiParameters = new ArrayList<ParameterInfoImpl>(); |
| int paramIdx = 0; |
| final String paramName = parameter.getName(); |
| for (PsiParameter param : parameters) { |
| if (!Comparing.strEqual(paramName, param.getName())) { |
| psiParameters.add(new ParameterInfoImpl(paramIdx, param.getName(), param.getType())); |
| } |
| paramIdx++; |
| } |
| |
| new ChangeSignatureProcessor(method.getProject(), method, false, null, method.getName(), method.getReturnType(), |
| psiParameters.toArray(new ParameterInfoImpl[psiParameters.size()])).run(); |
| } |
| |
| public String getValue() { |
| return myValue; |
| } |
| |
| public String getParamName() { |
| return myParameterName; |
| } |
| } |
| } |