| /* |
| * Copyright 2000-2013 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 org.jetbrains.plugins.groovy.refactoring.changeSignature; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.psi.*; |
| import com.intellij.refactoring.RefactoringBundle; |
| import com.intellij.refactoring.changeSignature.JavaChangeInfo; |
| import com.intellij.refactoring.changeSignature.JavaParameterInfo; |
| import com.intellij.refactoring.rename.RenameUtil; |
| import com.intellij.refactoring.util.CanonicalTypes; |
| import com.intellij.refactoring.util.ConflictsUtil; |
| import com.intellij.refactoring.util.RefactoringUIUtil; |
| import com.intellij.usageView.UsageInfo; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.VisibilityUtil; |
| import com.intellij.util.containers.HashSet; |
| import com.intellij.util.containers.MultiMap; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameter; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| /** |
| * @author Maxim.Medvedev |
| */ |
| class GrChangeSignatureConflictSearcher { |
| private static final Logger LOG = Logger.getInstance(GrChangeSignatureConflictSearcher.class); |
| private final JavaChangeInfo myChangeInfo; |
| |
| GrChangeSignatureConflictSearcher(JavaChangeInfo changeInfo) { |
| myChangeInfo = changeInfo; |
| } |
| |
| public MultiMap<PsiElement, String> findConflicts(Ref<UsageInfo[]> refUsages) { |
| MultiMap<PsiElement, String> conflictDescriptions = new MultiMap<PsiElement, String>(); |
| addMethodConflicts(conflictDescriptions); |
| UsageInfo[] usagesIn = refUsages.get(); |
| RenameUtil.addConflictDescriptions(usagesIn, conflictDescriptions); |
| Set<UsageInfo> usagesSet = new HashSet<UsageInfo>(Arrays.asList(usagesIn)); |
| RenameUtil.removeConflictUsages(usagesSet); |
| if (myChangeInfo.isVisibilityChanged()) { |
| try { |
| addInaccessibilityDescriptions(usagesSet, conflictDescriptions); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| |
| return conflictDescriptions; |
| } |
| |
| private boolean needToChangeCalls() { |
| return myChangeInfo.isNameChanged() || myChangeInfo.isParameterSetOrOrderChanged() || myChangeInfo.isExceptionSetOrOrderChanged(); |
| } |
| |
| private void addInaccessibilityDescriptions(Set<UsageInfo> usages, MultiMap<PsiElement, String> conflictDescriptions) |
| throws IncorrectOperationException { |
| PsiMethod method = myChangeInfo.getMethod(); |
| PsiModifierList modifierList = (PsiModifierList)method.getModifierList().copy(); |
| VisibilityUtil.setVisibility(modifierList, myChangeInfo.getNewVisibility()); |
| |
| for (Iterator<UsageInfo> iterator = usages.iterator(); iterator.hasNext();) { |
| UsageInfo usageInfo = iterator.next(); |
| PsiElement element = usageInfo.getElement(); |
| if (element != null) { |
| if (element instanceof GrReferenceExpression) { |
| PsiClass accessObjectClass = null; |
| GrExpression qualifier = ((GrReferenceExpression)element).getQualifierExpression(); |
| if (qualifier != null) { |
| accessObjectClass = (PsiClass)PsiUtil.getAccessObjectClass(qualifier).getElement(); |
| } |
| |
| PsiResolveHelper helper = JavaPsiFacade.getInstance(element.getProject()).getResolveHelper(); |
| if (!helper.isAccessible(method, modifierList, element, accessObjectClass, null)) { |
| String message = |
| RefactoringBundle.message("0.with.1.visibility.is.not.accessible.from.2", |
| RefactoringUIUtil.getDescription(method, true), |
| myChangeInfo.getNewVisibility(), |
| RefactoringUIUtil.getDescription(ConflictsUtil.getContainer(element), true)); |
| conflictDescriptions.putValue(method, message); |
| if (!needToChangeCalls()) { |
| iterator.remove(); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private void addMethodConflicts(MultiMap<PsiElement, String> conflicts) { |
| try { |
| GrMethod prototype; |
| final PsiMethod method = myChangeInfo.getMethod(); |
| if (!(method instanceof GrMethod)) return; |
| |
| PsiManager manager = method.getManager(); |
| GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(manager.getProject()); |
| final CanonicalTypes.Type returnType = myChangeInfo.getNewReturnType(); |
| String newMethodName = myChangeInfo.getNewName(); |
| if (method.isConstructor()) { |
| prototype = factory.createConstructorFromText("foo", ArrayUtil.EMPTY_STRING_ARRAY, ArrayUtil.EMPTY_STRING_ARRAY, "{}", method); |
| } |
| else { |
| prototype = factory.createMethodFromText("", "foo", returnType != null ? returnType.getTypeText() : null, ArrayUtil.EMPTY_STRING_ARRAY, method); |
| } |
| prototype.setName(newMethodName); |
| |
| JavaParameterInfo[] parameters = myChangeInfo.getNewParameters(); |
| |
| for (JavaParameterInfo info : parameters) { |
| GrParameter param; |
| if (info instanceof GrParameterInfo) { |
| param = factory.createParameter(info.getName(), info.getTypeText(), ((GrParameterInfo)info).getDefaultInitializer(), (GroovyPsiElement)method); |
| } |
| else { |
| param = factory.createParameter(info.getName(), info.getTypeText(), (GroovyPsiElement)method); |
| } |
| prototype.getParameterList().add(param); |
| } |
| |
| ConflictsUtil.checkMethodConflicts(method.getContainingClass(), method, prototype, conflicts); |
| GrMethodConflictUtil.checkMethodConflicts(method.getContainingClass(), prototype, ((GrMethod)method), conflicts, true); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| } |