| /* |
| * Copyright 2000-2009 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.refactoring.makeStatic; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.codeStyle.CodeStyleManager; |
| import com.intellij.psi.codeStyle.CodeStyleSettingsManager; |
| import com.intellij.psi.codeStyle.JavaCodeStyleManager; |
| import com.intellij.psi.codeStyle.VariableKind; |
| import com.intellij.psi.javadoc.PsiDocTag; |
| import com.intellij.psi.search.searches.ReferencesSearch; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.PsiUtil; |
| import com.intellij.refactoring.RefactoringBundle; |
| import com.intellij.refactoring.move.MoveInstanceMembersUtil; |
| import com.intellij.refactoring.util.RefactoringChangeUtil; |
| import com.intellij.refactoring.util.RefactoringUIUtil; |
| import com.intellij.refactoring.util.RefactoringUtil; |
| import com.intellij.refactoring.util.javadoc.MethodJavaDocHelper; |
| import com.intellij.usageView.UsageInfo; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.containers.MultiMap; |
| import org.jetbrains.annotations.NonNls; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author ven |
| */ |
| public class MakeClassStaticProcessor extends MakeMethodOrClassStaticProcessor<PsiClass> { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.makeMethodStatic.MakeClassStaticProcessor"); |
| private List<PsiField> myFieldsToSplit = new ArrayList<PsiField>(); |
| |
| public MakeClassStaticProcessor(final Project project, final PsiClass aClass, final Settings settings) { |
| super(project, aClass, settings); |
| } |
| |
| protected void changeSelf(final PsiElementFactory factory, final UsageInfo[] usages) throws IncorrectOperationException { |
| PsiClass containingClass = myMember.getContainingClass(); |
| |
| //Add fields |
| if (mySettings.isMakeClassParameter()) { |
| PsiType type = factory.createType(containingClass, PsiSubstitutor.EMPTY); |
| final String classParameterName = mySettings.getClassParameterName(); |
| final String fieldName = convertToFieldName(classParameterName); |
| myMember.add(factory.createField(fieldName, type)); |
| } |
| |
| if (mySettings.isMakeFieldParameters()) { |
| List<Settings.FieldParameter> parameters = mySettings.getParameterOrderList(); |
| |
| for (Settings.FieldParameter fieldParameter : parameters) { |
| final PsiType type = fieldParameter.type; |
| final PsiField field = factory.createField(convertToFieldName(fieldParameter.name), type); |
| myMember.add(field); |
| } |
| } |
| |
| |
| PsiMethod[] constructors = myMember.getConstructors(); |
| |
| if (constructors.length == 0) { |
| final PsiMethod defConstructor = (PsiMethod)myMember.add(factory.createConstructor()); |
| constructors = new PsiMethod[]{defConstructor}; |
| } |
| |
| boolean generateFinalParams = CodeStyleSettingsManager.getSettings(myProject).GENERATE_FINAL_PARAMETERS; |
| for (PsiMethod constructor : constructors) { |
| final MethodJavaDocHelper javaDocHelper = new MethodJavaDocHelper(constructor); |
| PsiParameterList paramList = constructor.getParameterList(); |
| PsiElement addParameterAfter = null; |
| PsiDocTag anchor = null; |
| |
| if (mySettings.isMakeClassParameter()) { |
| // Add parameter for object |
| PsiType parameterType = factory.createType(containingClass, PsiSubstitutor.EMPTY); |
| final String classParameterName = mySettings.getClassParameterName(); |
| PsiParameter parameter = factory.createParameter(classParameterName, parameterType); |
| PsiUtil.setModifierProperty(parameter, PsiModifier.FINAL, makeClassParameterFinal(usages) || generateFinalParams); |
| addParameterAfter = paramList.addAfter(parameter, null); |
| anchor = javaDocHelper.addParameterAfter(classParameterName, anchor); |
| |
| addAssignmentToField(classParameterName, constructor); |
| |
| } |
| |
| if (mySettings.isMakeFieldParameters()) { |
| List<Settings.FieldParameter> parameters = mySettings.getParameterOrderList(); |
| |
| for (Settings.FieldParameter fieldParameter : parameters) { |
| final PsiType fieldParameterType = fieldParameter.field.getType(); |
| final PsiParameter parameter = factory.createParameter(fieldParameter.name, fieldParameterType); |
| PsiUtil.setModifierProperty(parameter, PsiModifier.FINAL, |
| makeFieldParameterFinal(fieldParameter.field, usages) || generateFinalParams); |
| addParameterAfter = paramList.addAfter(parameter, addParameterAfter); |
| anchor = javaDocHelper.addParameterAfter(fieldParameter.name, anchor); |
| addAssignmentToField(fieldParameter.name, constructor); |
| } |
| for (UsageInfo usage : usages) { |
| if (usage instanceof InternalUsageInfo) { |
| final PsiElement element = usage.getElement(); |
| final PsiElement referencedElement = ((InternalUsageInfo)usage).getReferencedElement(); |
| if (referencedElement instanceof PsiField && mySettings.getNameForField((PsiField)referencedElement) != null) { |
| final PsiField field = PsiTreeUtil.getParentOfType(element, PsiField.class); |
| if (field != null) { |
| MoveInstanceMembersUtil.moveInitializerToConstructor(factory, constructor, field); |
| } |
| } |
| } |
| } |
| } |
| for (PsiField field : myFieldsToSplit) { |
| MoveInstanceMembersUtil.moveInitializerToConstructor(factory, constructor, field); |
| } |
| } |
| |
| |
| setupTypeParameterList(); |
| |
| // Add static modifier |
| final PsiModifierList modifierList = myMember.getModifierList(); |
| modifierList.setModifierProperty(PsiModifier.STATIC, true); |
| modifierList.setModifierProperty(PsiModifier.FINAL, false); |
| } |
| |
| private void addAssignmentToField(final String parameterName, final PsiMethod constructor) { |
| @NonNls String fieldName = convertToFieldName(parameterName); |
| final PsiManager manager = PsiManager.getInstance(myProject); |
| PsiElementFactory factory = JavaPsiFacade.getInstance(manager.getProject()).getElementFactory(); |
| final PsiCodeBlock body = constructor.getBody(); |
| if (body != null) { |
| try { |
| final PsiReferenceExpression refExpr = (PsiReferenceExpression)factory.createExpressionFromText(fieldName, body); |
| if (refExpr.resolve() != null) fieldName = "this." + fieldName; |
| PsiStatement statement = factory.createStatementFromText(fieldName + "=" + parameterName + ";", null); |
| statement = (PsiStatement)CodeStyleManager.getInstance(manager.getProject()).reformat(statement); |
| body.add(statement); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| } |
| |
| private String convertToFieldName(final String parameterName) { |
| JavaCodeStyleManager manager = JavaCodeStyleManager.getInstance(myProject); |
| final String propertyName = manager.variableNameToPropertyName(parameterName, VariableKind.PARAMETER); |
| final String fieldName = manager.propertyNameToVariableName(propertyName, VariableKind.FIELD); |
| return fieldName; |
| } |
| |
| protected void changeSelfUsage(final SelfUsageInfo usageInfo) throws IncorrectOperationException { |
| PsiElement parent = usageInfo.getElement().getParent(); |
| LOG.assertTrue(parent instanceof PsiCallExpression); //either this() or new() |
| PsiCallExpression call = (PsiCallExpression) parent; |
| PsiElementFactory factory = JavaPsiFacade.getInstance(call.getProject()).getElementFactory(); |
| PsiExpressionList args = call.getArgumentList(); |
| PsiElement addParameterAfter = null; |
| |
| if(mySettings.isMakeClassParameter()) { |
| PsiElement arg = factory.createExpressionFromText(convertToFieldName(mySettings.getClassParameterName()), null); |
| addParameterAfter = args.addAfter(arg, null); |
| } |
| |
| if(mySettings.isMakeFieldParameters()) { |
| List<Settings.FieldParameter> parameters = mySettings.getParameterOrderList(); |
| for (Settings.FieldParameter fieldParameter : parameters) { |
| PsiElement arg = factory.createExpressionFromText(convertToFieldName(fieldParameter.name), null); |
| if (addParameterAfter == null) { |
| addParameterAfter = args.addAfter(arg, null); |
| } |
| else { |
| addParameterAfter = args.addAfter(arg, addParameterAfter); |
| } |
| } |
| } |
| } |
| |
| protected void changeInternalUsage(final InternalUsageInfo usage, final PsiElementFactory factory) throws IncorrectOperationException { |
| if (!mySettings.isChangeSignature()) return; |
| |
| PsiElement element = usage.getElement(); |
| |
| if (element instanceof PsiReferenceExpression) { |
| PsiReferenceExpression newRef = null; |
| |
| if (mySettings.isMakeFieldParameters()) { |
| PsiElement resolved = ((PsiReferenceExpression) element).resolve(); |
| if (resolved instanceof PsiField) { |
| String name = mySettings.getNameForField((PsiField)resolved); |
| if (name != null) { |
| name = convertToFieldName(name); |
| if (name != null) { |
| newRef = (PsiReferenceExpression) factory.createExpressionFromText(name, null); |
| } |
| } |
| } |
| } |
| |
| if (newRef == null && mySettings.isMakeClassParameter()) { |
| newRef = |
| (PsiReferenceExpression) factory.createExpressionFromText( |
| convertToFieldName(mySettings.getClassParameterName()) + "." + element.getText(), null); |
| } |
| |
| if (newRef != null) { |
| CodeStyleManager codeStyleManager = CodeStyleManager.getInstance(myProject); |
| newRef = (PsiReferenceExpression) codeStyleManager.reformat(newRef); |
| element.replace(newRef); |
| } |
| } |
| else if (mySettings.isMakeClassParameter() && (element instanceof PsiThisExpression || element instanceof PsiSuperExpression)) { |
| final PsiElement replace = |
| element.replace(factory.createExpressionFromText(convertToFieldName(mySettings.getClassParameterName()), null)); |
| final PsiField field = PsiTreeUtil.getParentOfType(replace, PsiField.class); |
| if (field != null) { |
| myFieldsToSplit.add(field); |
| } |
| } |
| else if (element instanceof PsiNewExpression && mySettings.isMakeClassParameter()) { |
| final PsiNewExpression newExpression = ((PsiNewExpression)element); |
| LOG.assertTrue(newExpression.getQualifier() == null); |
| final String newText = convertToFieldName(mySettings.getClassParameterName()) + "." + newExpression.getText(); |
| final PsiExpression expr = factory.createExpressionFromText(newText, null); |
| element.replace(expr); |
| } |
| } |
| |
| protected void changeExternalUsage(final UsageInfo usage, final PsiElementFactory factory) throws IncorrectOperationException { |
| final PsiElement element = usage.getElement(); |
| if (!(element instanceof PsiJavaCodeReferenceElement)) return; |
| |
| PsiJavaCodeReferenceElement methodRef = (PsiJavaCodeReferenceElement)element; |
| PsiElement parent = methodRef.getParent(); |
| if (parent instanceof PsiAnonymousClass) { |
| parent = parent.getParent(); |
| } |
| LOG.assertTrue(parent instanceof PsiCallExpression, "call expression expected, found " + parent); |
| |
| PsiCallExpression call = (PsiCallExpression)parent; |
| |
| PsiExpression instanceRef; |
| |
| instanceRef = call instanceof PsiMethodCallExpression ? ((PsiMethodCallExpression)call).getMethodExpression().getQualifierExpression() : |
| ((PsiNewExpression)call).getQualifier(); |
| PsiElement newQualifier; |
| |
| if (instanceRef == null || instanceRef instanceof PsiSuperExpression) { |
| final PsiClass thisClass = RefactoringChangeUtil.getThisClass(element); |
| @NonNls String thisText; |
| if (thisClass.getManager().areElementsEquivalent(thisClass, myMember.getContainingClass())) { |
| thisText = "this"; |
| } |
| else { |
| thisText = myMember.getContainingClass().getName() + ".this"; |
| } |
| instanceRef = factory.createExpressionFromText(thisText, null); |
| newQualifier = null; |
| } |
| else { |
| newQualifier = factory.createReferenceExpression(myMember.getContainingClass()); |
| } |
| |
| if (mySettings.getNewParametersNumber() > 1) { |
| int copyingSafetyLevel = RefactoringUtil.verifySafeCopyExpression(instanceRef); |
| if (copyingSafetyLevel == RefactoringUtil.EXPR_COPY_PROHIBITED) { |
| String tempVar = RefactoringUtil.createTempVar(instanceRef, call, true); |
| instanceRef = factory.createExpressionFromText(tempVar, null); |
| } |
| } |
| |
| |
| PsiElement anchor = null; |
| PsiExpressionList argList = call.getArgumentList(); |
| PsiExpression[] exprs = argList.getExpressions(); |
| if (mySettings.isMakeClassParameter()) { |
| if (exprs.length > 0) { |
| anchor = argList.addBefore(instanceRef, exprs[0]); |
| } |
| else { |
| anchor = argList.add(instanceRef); |
| } |
| } |
| |
| |
| if (mySettings.isMakeFieldParameters()) { |
| List<Settings.FieldParameter> parameters = mySettings.getParameterOrderList(); |
| |
| for (Settings.FieldParameter fieldParameter : parameters) { |
| PsiReferenceExpression fieldRef; |
| final String fieldName = fieldParameter.field.getName(); |
| if (newQualifier != null) { |
| fieldRef = (PsiReferenceExpression)factory.createExpressionFromText( |
| "a." + fieldName, null); |
| fieldRef.getQualifierExpression().replace(instanceRef); |
| } |
| else { |
| fieldRef = (PsiReferenceExpression)factory.createExpressionFromText(fieldName, null); |
| } |
| |
| if (anchor != null) { |
| anchor = argList.addAfter(fieldRef, anchor); |
| } |
| else { |
| if (exprs.length > 0) { |
| anchor = argList.addBefore(fieldRef, exprs[0]); |
| } |
| else { |
| anchor = argList.add(fieldRef); |
| } |
| } |
| } |
| } |
| |
| if (newQualifier != null) { |
| if (call instanceof PsiMethodCallExpression) { |
| instanceRef.replace(newQualifier); |
| } else { |
| final PsiAnonymousClass anonymousClass = ((PsiNewExpression)call).getAnonymousClass(); |
| if (anonymousClass != null) { |
| ((PsiNewExpression)call).getQualifier().delete(); |
| final PsiJavaCodeReferenceElement baseClassReference = anonymousClass.getBaseClassReference(); |
| baseClassReference.replace(((PsiNewExpression)factory.createExpressionFromText("new " + newQualifier.getText() + "." + baseClassReference.getText() + "()", baseClassReference)).getClassReference()); |
| } else { |
| PsiJavaCodeReferenceElement classReference = ((PsiNewExpression)call).getClassReference(); |
| LOG.assertTrue(classReference != null); |
| final PsiNewExpression newExpr = |
| (PsiNewExpression)factory.createExpressionFromText("new " + newQualifier.getText() + "." + classReference.getText() + "()", classReference); |
| final PsiExpressionList callArgs = call.getArgumentList(); |
| if (callArgs != null) { |
| final PsiExpressionList argumentList = newExpr.getArgumentList(); |
| LOG.assertTrue(argumentList != null); |
| argumentList.replace(callArgs); |
| } |
| call.replace(newExpr); |
| } |
| } |
| } |
| } |
| |
| protected MultiMap<PsiElement,String> getConflictDescriptions(final UsageInfo[] usages) { |
| final MultiMap<PsiElement, String> conflicts = super.getConflictDescriptions(usages); |
| |
| //Check fields already exist |
| if (mySettings.isMakeClassParameter()) { |
| final String fieldName = convertToFieldName(mySettings.getClassParameterName()); |
| final PsiField existing = myMember.findFieldByName(fieldName, false); |
| if (existing != null) { |
| String message = RefactoringBundle.message("there.is.already.a.0.in.1", RefactoringUIUtil.getDescription(existing, false), |
| RefactoringUIUtil.getDescription(myMember, false)); |
| conflicts.putValue(existing, message); |
| } |
| } |
| |
| if (mySettings.isMakeFieldParameters()) { |
| final List<Settings.FieldParameter> parameterOrderList = mySettings.getParameterOrderList(); |
| for (Settings.FieldParameter parameter : parameterOrderList) { |
| final String fieldName = convertToFieldName(parameter.name); |
| final PsiField existing = myMember.findFieldByName(fieldName, false); |
| |
| if (existing != null) { |
| String message = RefactoringBundle.message("there.is.already.a.0.in.1", RefactoringUIUtil.getDescription(existing, false), |
| RefactoringUIUtil.getDescription(myMember, false)); |
| conflicts.putValue(existing, message); |
| } |
| } |
| } |
| |
| return conflicts; |
| } |
| |
| protected void findExternalUsages(final ArrayList<UsageInfo> result) { |
| PsiMethod[] constructors = myMember.getConstructors(); |
| if (constructors.length > 0) { |
| for (PsiMethod constructor : constructors) { |
| findExternalReferences(constructor, result); |
| } |
| } else { |
| findDefaultConstructorReferences(result); |
| } |
| } |
| |
| private void findDefaultConstructorReferences(final ArrayList<UsageInfo> result) { |
| for (PsiReference ref : ReferencesSearch.search(myMember)) { |
| PsiElement element = ref.getElement(); |
| if (element.getParent() instanceof PsiNewExpression) { |
| PsiNewExpression newExpression = (PsiNewExpression)element.getParent(); |
| PsiElement qualifier = newExpression.getQualifier(); |
| if (qualifier instanceof PsiThisExpression) qualifier = null; |
| if (!PsiTreeUtil.isAncestor(myMember, element, true) || qualifier != null) { |
| result.add(new UsageInfo(element)); |
| } else { |
| result.add(new InternalUsageInfo(element, myMember)); |
| } |
| } |
| } |
| } |
| } |
