@Nullable
private static String getCannotRefactorMessage(PsiMember member) {
if (member == null) {
return RefactoringBundle.message("locate.caret.inside.a.method");
}
if (member instanceof PsiMethod) {
if (((PsiMethod) member).isConstructor()) {
return RefactoringBundle.message("replace.with.method.call.does.not.work.for.constructors");
}
final PsiCodeBlock body = ((PsiMethod) member).getBody();
if (body == null) {
return RefactoringBundle.message("method.does.not.have.a.body", member.getName());
}
final PsiStatement[] statements = body.getStatements();
if (statements.length == 0) {
return RefactoringBundle.message("method.has.an.empty.body", member.getName());
}
} else if (member instanceof PsiField) {
final PsiField field = (PsiField) member;
if (field.getInitializer() == null) {
return "Field " + member.getName() + " doesn't have initializer";
}
final PsiClass containingClass = field.getContainingClass();
if (!field.hasModifierProperty(PsiModifier.FINAL)
|| !field.hasModifierProperty(PsiModifier.STATIC)
|| containingClass == null
|| containingClass.getQualifiedName() == null) {
return "Replace Duplicates works with constants only";
}
} else {
return "Caret should be inside method or constant";
}
return null;
}
@Nullable
public static String getPropertyName(final PsiMember member) {
if (member instanceof PsiMethod) {
return getPropertyName((PsiMethod) member);
} else if (member instanceof PsiField) {
return member.getName();
} else return null;
}
public static boolean isStaticallyImported(
@NotNull PsiMember member, @NotNull PsiElement context) {
final PsiClass memberClass = member.getContainingClass();
if (memberClass == null) {
return false;
}
final PsiClass containingClass = PsiTreeUtil.getParentOfType(context, PsiClass.class);
if (InheritanceUtil.isInheritorOrSelf(containingClass, memberClass, true)) {
return false;
}
final PsiFile psiFile = context.getContainingFile();
if (!(psiFile instanceof PsiJavaFile)) {
return false;
}
final PsiJavaFile javaFile = (PsiJavaFile) psiFile;
final PsiImportList importList = javaFile.getImportList();
if (importList == null) {
return false;
}
final String memberName = member.getName();
if (memberName == null) {
return false;
}
final PsiImportStatementBase existingImportStatement =
importList.findSingleImportStatement(memberName);
if (existingImportStatement instanceof PsiImportStaticStatement) {
final PsiClass importClass =
((PsiImportStaticStatement) existingImportStatement).resolveTargetClass();
if (InheritanceUtil.isInheritorOrSelf(importClass, memberClass, true)) {
return true;
}
}
final String memberClassName = memberClass.getQualifiedName();
if (memberClassName == null) {
return false;
}
final PsiImportStaticStatement onDemandImportStatement =
findOnDemandImportStaticStatement(importList, memberClassName);
if (onDemandImportStatement != null) {
if (!hasOnDemandImportStaticConflict(memberClassName, memberName, context)) {
return true;
}
}
return false;
}
@NotNull
private static Map<String, List<Pair<PsiMember, PsiSubstitutor>>> generateMapByList(
@NotNull final List<Pair<PsiMember, PsiSubstitutor>> list) {
Map<String, List<Pair<PsiMember, PsiSubstitutor>>> map =
new THashMap<String, List<Pair<PsiMember, PsiSubstitutor>>>();
map.put(ALL, list);
for (final Pair<PsiMember, PsiSubstitutor> info : list) {
PsiMember element = info.getFirst();
String currentName = element.getName();
List<Pair<PsiMember, PsiSubstitutor>> listByName = map.get(currentName);
if (listByName == null) {
listByName = new ArrayList<Pair<PsiMember, PsiSubstitutor>>(1);
map.put(currentName, listByName);
}
listByName.add(info);
}
return map;
}
public static Set<String> getAllLookupStrings(@NotNull PsiMember member) {
Set<String> allLookupStrings = ContainerUtil.newLinkedHashSet();
String name = member.getName();
allLookupStrings.add(name);
PsiClass containingClass = member.getContainingClass();
while (containingClass != null) {
final String className = containingClass.getName();
if (className == null) {
break;
}
name = className + "." + name;
allLookupStrings.add(name);
final PsiElement parent = containingClass.getParent();
if (!(parent instanceof PsiClass)) {
break;
}
containingClass = (PsiClass) parent;
}
return allLookupStrings;
}
@NotNull
private static List<PsiMember> findByMap(
@NotNull PsiClass aClass, String name, boolean checkBases, @NotNull MemberType type) {
if (name == null) return Collections.emptyList();
if (checkBases) {
Map<String, List<Pair<PsiMember, PsiSubstitutor>>> allMethodsMap = getMap(aClass, type);
List<Pair<PsiMember, PsiSubstitutor>> list = allMethodsMap.get(name);
if (list == null) return Collections.emptyList();
List<PsiMember> ret = new ArrayList<PsiMember>(list.size());
for (final Pair<PsiMember, PsiSubstitutor> info : list) {
ret.add(info.getFirst());
}
return ret;
} else {
PsiMember[] members = null;
switch (type) {
case METHOD:
members = aClass.getMethods();
break;
case CLASS:
members = aClass.getInnerClasses();
break;
case FIELD:
members = aClass.getFields();
break;
}
List<PsiMember> list = new ArrayList<PsiMember>();
for (PsiMember member : members) {
if (name.equals(member.getName())) {
list.add(member);
}
}
return list;
}
}
@Override
public GrReferenceExpression bindToElementViaStaticImport(@NotNull PsiMember member) {
if (getQualifier() != null) {
throw new IncorrectOperationException("Reference has qualifier");
}
if (StringUtil.isEmpty(getReferenceName())) {
throw new IncorrectOperationException("Reference has empty name");
}
PsiClass containingClass = member.getContainingClass();
if (containingClass == null) {
throw new IncorrectOperationException("Member has no containing class");
}
final PsiFile file = getContainingFile();
if (file instanceof GroovyFile) {
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(getProject());
String text = "import static " + containingClass.getQualifiedName() + "." + member.getName();
final GrImportStatement statement = factory.createImportStatementFromText(text);
((GroovyFile) file).addImport(statement);
}
return this;
}