With relation to [SPR-11126] problem converting empty parameter to List, #515
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We want to get a request parameter with the type of List in the Spring-mvc Controller class like below
When invoking ".../urlpath?param=", We expect
List<String>
has size 1 with empty String value, but actually the size ofList<String>
is 0.Actually
StringUtils.commaDelimitedListToStringArray(String)
method is a real worker, but the purpose of that method is to return the empty array in case of empty input(by java doc).So, I slightly chnaged
convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType)
method in theStringToCollectionConverter
class.
reated Issue: