protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
final UsageInfo[] usages = refUsages.get();
MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
final Set<PsiMember> members = new HashSet<PsiMember>();
members.add(myMethod);
if (myTargetVariable instanceof PsiField) members.add((PsiMember) myTargetVariable);
if (!myTargetClass.isInterface()) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, myTargetClass, conflicts, myNewVisibility);
} else {
for (final UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, ((InheritorUsageInfo) usage).getInheritor(), conflicts, myNewVisibility);
}
}
}
if (myTargetVariable instanceof PsiParameter) {
PsiParameter parameter = (PsiParameter) myTargetVariable;
for (final UsageInfo usageInfo : usages) {
if (usageInfo instanceof MethodCallUsageInfo) {
final PsiElement methodCall = ((MethodCallUsageInfo) usageInfo).getMethodCallExpression();
if (methodCall instanceof PsiMethodCallExpression) {
final PsiExpression[] expressions =
((PsiMethodCallExpression) methodCall).getArgumentList().getExpressions();
final int index = myMethod.getParameterList().getParameterIndex(parameter);
if (index < expressions.length) {
PsiExpression instanceValue = expressions[index];
instanceValue = RefactoringUtil.unparenthesizeExpression(instanceValue);
if (instanceValue instanceof PsiLiteralExpression
&& ((PsiLiteralExpression) instanceValue).getValue() == null) {
String message =
RefactoringBundle.message(
"0.contains.call.with.null.argument.for.parameter.1",
RefactoringUIUtil.getDescription(
ConflictsUtil.getContainer(methodCall), true),
CommonRefactoringUtil.htmlEmphasize(parameter.getName()));
conflicts.putValue(instanceValue, message);
}
}
} else if (methodCall instanceof PsiMethodReferenceExpression) {
conflicts.putValue(methodCall, "Method reference would be broken after move");
}
}
}
}
try {
ConflictsUtil.checkMethodConflicts(myTargetClass, myMethod, getPatternMethod(), conflicts);
} catch (IncorrectOperationException e) {
}
return showConflicts(conflicts, usages);
}
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 PsiQualifiedReference) {
PsiClass accessObjectClass = null;
PsiElement qualifier = ((PsiQualifiedReference) element).getQualifier();
if (qualifier instanceof PsiExpression) {
accessObjectClass =
(PsiClass) PsiUtil.getAccessObjectClass((PsiExpression) qualifier).getElement();
}
if (!JavaPsiFacade.getInstance(element.getProject())
.getResolveHelper()
.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();
}
}
}
}
}
}