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/*
* 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.
*/
/*
* Created by IntelliJ IDEA.
* User: dsl
* Date: 07.06.2002
* Time: 18:48:01
* To change template for new class use
* Code Style | Class Templates options (Tools | IDE Options).
*/
package com.intellij.util;
import com.intellij.psi.*;
import com.intellij.psi.util.InheritanceUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtil;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NonNls;
public class VisibilityUtil {
@NonNls public static final String ESCALATE_VISIBILITY = "EscalateVisible";
private static final String[] visibilityModifiers = {
PsiModifier.PRIVATE,
PsiModifier.PACKAGE_LOCAL,
PsiModifier.PROTECTED,
PsiModifier.PUBLIC
};
private VisibilityUtil() {
}
public static int compare(@PsiModifier.ModifierConstant String v1, @PsiModifier.ModifierConstant String v2) {
return ArrayUtilRt.find(visibilityModifiers, v2) - ArrayUtilRt.find(visibilityModifiers, v1);
}
@PsiModifier.ModifierConstant
public static String getHighestVisibility(@PsiModifier.ModifierConstant String v1, @PsiModifier.ModifierConstant String v2) {
return compare(v1, v2) < 0 ? v1 : v2;
}
public static void escalateVisibility(PsiMember modifierListOwner, PsiElement place) throws IncorrectOperationException {
final String visibilityModifier = getVisibilityModifier(modifierListOwner.getModifierList());
int index;
for (index = 0; index < visibilityModifiers.length; index++) {
String modifier = visibilityModifiers[index];
if(modifier.equals(visibilityModifier)) break;
}
for(;index < visibilityModifiers.length && !PsiUtil.isAccessible(modifierListOwner, place, null); index++) {
@PsiModifier.ModifierConstant String modifier = visibilityModifiers[index];
PsiUtil.setModifierProperty(modifierListOwner, modifier, true);
}
}
@PsiModifier.ModifierConstant
public static String getPossibleVisibility(final PsiMember psiMethod, final PsiElement place) {
if (PsiUtil.isAccessible(psiMethod, place, null)) return getVisibilityModifier(psiMethod.getModifierList());
if (JavaPsiFacade.getInstance(psiMethod.getProject()).arePackagesTheSame(psiMethod, place)) {
return PsiModifier.PACKAGE_LOCAL;
}
if (InheritanceUtil.isInheritorOrSelf(PsiTreeUtil.getParentOfType(place, PsiClass.class),
psiMethod.getContainingClass(), true)) {
return PsiModifier.PROTECTED;
}
return PsiModifier.PUBLIC;
}
@PsiModifier.ModifierConstant
public static String getVisibilityModifier(PsiModifierList list) {
if (list == null) return PsiModifier.PACKAGE_LOCAL;
for (@PsiModifier.ModifierConstant String modifier : visibilityModifiers) {
if (list.hasModifierProperty(modifier)) {
return modifier;
}
}
return PsiModifier.PACKAGE_LOCAL;
}
public static String getVisibilityString(@PsiModifier.ModifierConstant String visibilityModifier) {
if(PsiModifier.PACKAGE_LOCAL.equals(visibilityModifier)) {
return "";
}
return visibilityModifier;
}
@Nls
public static String getVisibilityStringToDisplay(PsiMember member) {
if (member.hasModifierProperty(PsiModifier.PUBLIC)) {
return toPresentableText(PsiModifier.PUBLIC);
}
if (member.hasModifierProperty(PsiModifier.PROTECTED)) {
return toPresentableText(PsiModifier.PROTECTED);
}
if (member.hasModifierProperty(PsiModifier.PRIVATE)) {
return toPresentableText(PsiModifier.PRIVATE);
}
return toPresentableText(PsiModifier.PACKAGE_LOCAL);
}
public static String toPresentableText(@PsiModifier.ModifierConstant String modifier) {
return PsiBundle.visibilityPresentation(modifier);
}
public static void fixVisibility(PsiElement[] elements, PsiMember member, @PsiModifier.ModifierConstant String newVisibility) {
if (newVisibility == null) return;
if (ESCALATE_VISIBILITY.equals(newVisibility)) {
for (PsiElement element : elements) {
if (element != null) {
escalateVisibility(member, element);
}
}
} else {
setVisibility(member.getModifierList(), newVisibility);
}
}
public static void setVisibility(PsiModifierList modifierList, @PsiModifier.ModifierConstant String newVisibility) throws IncorrectOperationException {
modifierList.setModifierProperty(newVisibility, true);
}
public static void fixVisibility(PsiExpression[] expressions, PsiMember member, String newVisibility) {
if (newVisibility == null) return;
if (ESCALATE_VISIBILITY.equals(newVisibility)) {
for (PsiExpression element : expressions) {
escalateVisibility(member, element);
}
}
else {
setVisibility(member.getModifierList(), newVisibility);
}
}
}
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