protected String doCalculateSignature(PsiMethod method) {
final StringBuilder buffer = new StringBuilder();
final PsiModifierList modifierList = method.getModifierList();
String modifiers = modifierList.getText();
final String oldModifier = VisibilityUtil.getVisibilityModifier(modifierList);
final String newModifier = getVisibility();
String newModifierStr = VisibilityUtil.getVisibilityString(newModifier);
if (!newModifier.equals(oldModifier)) {
int index = modifiers.indexOf(oldModifier);
if (index >= 0) {
final StringBuilder buf = new StringBuilder(modifiers);
buf.replace(
index,
index + oldModifier.length() + ("".equals(newModifierStr) ? 1 : 0),
newModifierStr);
modifiers = buf.toString();
} else {
if (!StringUtil.isEmpty(newModifierStr)) {
newModifierStr += " ";
}
modifiers = newModifierStr + modifiers;
}
}
buffer.append(modifiers);
if (modifiers.length() > 0
&& !StringUtil.endsWithChar(modifiers, '\n')
&& !StringUtil.endsWithChar(modifiers, '\r')
&& !StringUtil.endsWithChar(modifiers, ' ')) {
buffer.append(" ");
}
if (!method.isConstructor()) {
final CanonicalTypes.Type type = getReturnType();
if (type != null) {
buffer.append(type.getTypeText());
}
buffer.append(" ");
}
buffer.append(getMethodName());
buffer.append("(");
final int lineBreakIdx = buffer.lastIndexOf("\n");
String indent =
StringUtil.repeatSymbol(
' ', lineBreakIdx >= 0 ? buffer.length() - lineBreakIdx - 1 : buffer.length());
List<ParameterTableModelItemBase<ParameterInfoImpl>> items = myParametersTableModel.getItems();
int curIndent = indent.length();
for (int i = 0; i < items.size(); i++) {
final ParameterTableModelItemBase<ParameterInfoImpl> item = items.get(i);
if (i > 0) {
buffer.append(",");
buffer.append("\n");
buffer.append(indent);
}
final String text = item.typeCodeFragment.getText();
buffer.append(text).append(" ");
final String name = item.parameter.getName();
buffer.append(name);
curIndent = indent.length() + text.length() + 1 + name.length();
}
// if (!items.isEmpty()) {
// buffer.append("\n");
// }
buffer.append(")");
PsiTypeCodeFragment[] thrownExceptionsFragments = myExceptionsModel.getTypeCodeFragments();
if (thrownExceptionsFragments.length > 0) {
// buffer.append("\n");
buffer.append(" throws ");
curIndent += 9; // ") throws ".length()
indent = StringUtil.repeatSymbol(' ', curIndent);
for (int i = 0; i < thrownExceptionsFragments.length; i++) {
String text = thrownExceptionsFragments[i].getText();
if (i != 0) buffer.append(indent);
buffer.append(text);
if (i < thrownExceptionsFragments.length - 1) {
buffer.append(",");
}
buffer.append("\n");
}
}
return buffer.toString();
}
private void checkMember(@NotNull final PsiMember member) {
if (member.hasModifierProperty(PsiModifier.PRIVATE)
|| member.hasModifierProperty(PsiModifier.NATIVE)) return;
if (member instanceof PsiMethod && member instanceof SyntheticElement || !member.isPhysical())
return;
if (member instanceof PsiMethod) {
PsiMethod method = (PsiMethod) member;
if (!method.getHierarchicalMethodSignature().getSuperSignatures().isEmpty()) {
log(member.getName() + " overrides");
return; // overrides
}
if (MethodUtils.isOverridden(method)) {
log(member.getName() + " overridden");
return;
}
}
if (member instanceof PsiEnumConstant) return;
if (member instanceof PsiClass
&& (member instanceof PsiAnonymousClass
|| member instanceof PsiTypeParameter
|| member instanceof PsiSyntheticClass
|| PsiUtil.isLocalClass((PsiClass) member))) {
return;
}
final PsiClass memberClass = member.getContainingClass();
if (memberClass != null
&& (memberClass.isInterface()
|| memberClass.isEnum()
|| memberClass.isAnnotationType()
|| PsiUtil.isLocalClass(memberClass) && member instanceof PsiClass)) {
return;
}
final PsiFile memberFile = member.getContainingFile();
Project project = memberFile.getProject();
if (myDeadCodeInspection.isEntryPoint(member)) {
log(member.getName() + " is entry point");
return;
}
PsiModifierList memberModifierList = member.getModifierList();
if (memberModifierList == null) return;
final int currentLevel = PsiUtil.getAccessLevel(memberModifierList);
final AtomicInteger maxLevel = new AtomicInteger(PsiUtil.ACCESS_LEVEL_PRIVATE);
final AtomicBoolean foundUsage = new AtomicBoolean();
PsiDirectory memberDirectory = memberFile.getContainingDirectory();
final PsiPackage memberPackage =
memberDirectory == null
? null
: JavaDirectoryService.getInstance().getPackage(memberDirectory);
log(member.getName() + ": checking effective level for " + member);
boolean result =
UnusedSymbolUtil.processUsages(
project,
memberFile,
member,
new EmptyProgressIndicator(),
null,
new Processor<UsageInfo>() {
@Override
public boolean process(UsageInfo info) {
foundUsage.set(true);
PsiFile psiFile = info.getFile();
if (psiFile == null) return true;
if (!(psiFile instanceof PsiJavaFile)) {
log(" refd from " + psiFile.getName() + "; set to public");
maxLevel.set(PsiUtil.ACCESS_LEVEL_PUBLIC);
if (memberClass != null) {
childMembersAreUsedOutsideMyPackage.add(memberClass);
}
return false; // referenced from XML, has to be public
}
// int offset = info.getNavigationOffset();
// if (offset == -1) return true;
PsiElement element = info.getElement();
if (element == null) return true;
@PsiUtil.AccessLevel
int level =
getEffectiveLevel(element, psiFile, memberFile, memberClass, memberPackage);
log(
" ref in file "
+ psiFile.getName()
+ "; level = "
+ PsiUtil.getAccessModifier(level)
+ "; ("
+ element
+ ")");
while (true) {
int oldLevel = maxLevel.get();
if (level <= oldLevel || maxLevel.compareAndSet(oldLevel, level)) break;
}
if (level == PsiUtil.ACCESS_LEVEL_PUBLIC && memberClass != null) {
childMembersAreUsedOutsideMyPackage.add(memberClass);
}
return level != PsiUtil.ACCESS_LEVEL_PUBLIC;
}
});
if (!foundUsage.get()) {
log(member.getName() + " unused; ignore");
return; // do not propose private for unused method
}
int max = maxLevel.get();
if (max == PsiUtil.ACCESS_LEVEL_PRIVATE && memberClass == null) {
max = PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL;
}
log(member.getName() + ": effective level is '" + PsiUtil.getAccessModifier(max) + "'");
if (max < currentLevel) {
if (max == PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL
&& member instanceof PsiClass
&& childMembersAreUsedOutsideMyPackage.contains(member)) {
log(member.getName() + " children used outside my package; ignore");
return; // e.g. some public method is used outside my package (without importing class)
}
PsiElement toHighlight =
currentLevel == PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL
? ((PsiNameIdentifierOwner) member).getNameIdentifier()
: ContainerUtil.find(
memberModifierList.getChildren(),
new Condition<PsiElement>() {
@Override
public boolean value(PsiElement element) {
return element instanceof PsiKeyword
&& element.getText().equals(PsiUtil.getAccessModifier(currentLevel));
}
});
assert toHighlight != null
: member
+ " ; "
+ ((PsiNameIdentifierOwner) member).getNameIdentifier()
+ "; "
+ memberModifierList.getText();
myHolder.registerProblem(
toHighlight,
"Access can be " + PsiUtil.getAccessModifier(max),
new ChangeModifierFix(PsiUtil.getAccessModifier(max)));
}
}