private String[] suggestVariableNameByType(
PsiType type, final VariableKind variableKind, boolean correctKeywords) {
String longTypeName = getLongTypeName(type);
CodeStyleSettings.TypeToNameMap map = getMapByVariableKind(variableKind);
if (map != null && longTypeName != null) {
if (type.equals(PsiType.NULL)) {
longTypeName = CommonClassNames.JAVA_LANG_OBJECT;
}
String name = map.nameByType(longTypeName);
if (name != null && isIdentifier(name)) {
return new String[] {name};
}
}
Collection<String> suggestions = new LinkedHashSet<String>();
suggestNamesForCollectionInheritors(type, variableKind, suggestions, correctKeywords);
suggestNamesFromGenericParameters(type, variableKind, suggestions, correctKeywords);
String typeName = normalizeTypeName(getTypeName(type));
if (typeName != null) {
ContainerUtil.addAll(
suggestions,
getSuggestionsByName(
typeName, variableKind, type instanceof PsiArrayType, correctKeywords));
}
return ArrayUtil.toStringArray(suggestions);
}
private String[] suggestVariableNameByType(
final PsiType type,
final VariableKind variableKind,
final boolean correctKeywords,
boolean skipIndices) {
String longTypeName = skipIndices ? type.getCanonicalText() : getLongTypeName(type);
CodeStyleSettings.TypeToNameMap map = getMapByVariableKind(variableKind);
if (map != null && longTypeName != null) {
if (type.equals(PsiType.NULL)) {
longTypeName = CommonClassNames.JAVA_LANG_OBJECT;
}
String name = map.nameByType(longTypeName);
if (name != null && isIdentifier(name)) {
return new String[] {name};
}
}
final Collection<String> suggestions = new LinkedHashSet<String>();
final PsiClass psiClass =
!skipIndices && type instanceof PsiClassType ? ((PsiClassType) type).resolve() : null;
if (!skipIndices) {
suggestNamesForCollectionInheritors(type, variableKind, suggestions, correctKeywords);
if (psiClass != null
&& CommonClassNames.JAVA_UTIL_OPTIONAL.equals(psiClass.getQualifiedName())
&& ((PsiClassType) type).getParameterCount() == 1) {
PsiType optionalContent = ((PsiClassType) type).getParameters()[0];
Collections.addAll(
suggestions,
suggestVariableNameByType(optionalContent, variableKind, correctKeywords, false));
}
suggestNamesFromGenericParameters(type, variableKind, suggestions, correctKeywords);
}
String typeName = getTypeName(type, !skipIndices);
if (typeName != null) {
typeName = normalizeTypeName(typeName);
ContainerUtil.addAll(
suggestions,
getSuggestionsByName(
typeName, variableKind, type instanceof PsiArrayType, correctKeywords));
}
if (psiClass != null && psiClass.getContainingClass() != null) {
InheritanceUtil.processSupers(
psiClass,
false,
new Processor<PsiClass>() {
@Override
public boolean process(PsiClass superClass) {
if (PsiTreeUtil.isAncestor(superClass, psiClass, true)) {
ContainerUtil.addAll(
suggestions,
getSuggestionsByName(
superClass.getName(), variableKind, false, correctKeywords));
}
return false;
}
});
}
return ArrayUtil.toStringArray(suggestions);
}