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 static void fixJavadocsForChangedMethod(
PsiMethod method, JavaChangeInfo changeInfo, int newParamsLength)
throws IncorrectOperationException {
final PsiParameter[] parameters = method.getParameterList().getParameters();
final JavaParameterInfo[] newParms = changeInfo.getNewParameters();
LOG.assertTrue(parameters.length <= newParamsLength);
final Set<PsiParameter> newParameters = new HashSet<PsiParameter>();
final String[] oldParameterNames = changeInfo.getOldParameterNames();
for (int i = 0; i < newParamsLength; i++) {
JavaParameterInfo newParm = newParms[i];
if (newParm.getOldIndex() < 0
|| !newParm.getName().equals(oldParameterNames[newParm.getOldIndex()])) {
newParameters.add(parameters[i]);
}
}
RefactoringUtil.fixJavadocsForParams(method, newParameters);
}
@Nullable
public static List<UnresolvableCollisionUsageInfo> removeConflictUsages(Set<UsageInfo> usages) {
final List<UnresolvableCollisionUsageInfo> result =
new ArrayList<UnresolvableCollisionUsageInfo>();
for (Iterator<UsageInfo> iterator = usages.iterator(); iterator.hasNext(); ) {
UsageInfo usageInfo = iterator.next();
if (usageInfo instanceof UnresolvableCollisionUsageInfo) {
result.add((UnresolvableCollisionUsageInfo) usageInfo);
iterator.remove();
}
}
return result.isEmpty() ? null : result;
}
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();
}
}
}
}
}
}
@Nullable
private static PsiExpression createDefaultValue(
JavaChangeInfo changeInfo,
final PsiElementFactory factory,
final JavaParameterInfo info,
final PsiExpressionList list)
throws IncorrectOperationException {
if (info.isUseAnySingleVariable()) {
final PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(list.getProject()).getResolveHelper();
final PsiType type = info.getTypeWrapper().getType(changeInfo.getMethod(), list.getManager());
final VariablesProcessor processor =
new VariablesProcessor(false) {
protected boolean check(PsiVariable var, ResolveState state) {
if (var instanceof PsiField
&& !resolveHelper.isAccessible((PsiField) var, list, null)) return false;
if (var instanceof PsiLocalVariable
&& list.getTextRange().getStartOffset() <= var.getTextRange().getStartOffset())
return false;
if (PsiTreeUtil.isAncestor(var, list, false)) return false;
final PsiType varType = state.get(PsiSubstitutor.KEY).substitute(var.getType());
return type.isAssignableFrom(varType);
}
public boolean execute(PsiElement pe, ResolveState state) {
super.execute(pe, state);
return size() < 2;
}
};
PsiScopesUtil.treeWalkUp(processor, list, null);
if (processor.size() == 1) {
final PsiVariable result = processor.getResult(0);
return factory.createExpressionFromText(result.getName(), list);
}
if (processor.size() == 0) {
final PsiClass parentClass = PsiTreeUtil.getParentOfType(list, PsiClass.class);
if (parentClass != null) {
PsiClass containingClass = parentClass;
final Set<PsiClass> containingClasses = new HashSet<PsiClass>();
while (containingClass != null) {
if (type.isAssignableFrom(factory.createType(containingClass, PsiSubstitutor.EMPTY))) {
containingClasses.add(containingClass);
}
containingClass = PsiTreeUtil.getParentOfType(containingClass, PsiClass.class);
}
if (containingClasses.size() == 1) {
return RefactoringUtil.createThisExpression(
parentClass.getManager(),
containingClasses.contains(parentClass)
? null
: containingClasses.iterator().next());
}
}
}
}
final PsiCallExpression callExpression =
PsiTreeUtil.getParentOfType(list, PsiCallExpression.class);
final String defaultValue = info.getDefaultValue();
return callExpression != null
? info.getValue(callExpression)
: defaultValue.length() > 0 ? factory.createExpressionFromText(defaultValue, list) : null;
}