Sebb created LANG-1090:
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Summary: FastDateParser does not set error indication in
ParsePosition
Key: LANG-1090
URL: https://issues.apache.org/jira/browse/LANG-1090
Project: Commons Lang
Issue Type: Bug
Reporter: Sebb
Priority: Minor
FastDateParser#parse(String,ParsePosition) does not throw ParseException if the
input cannot be matched.
If the parse succeeds, the ParsePosition is updated to the index of the next
character after the last one used, and the error index is left as -1.
If the parse fails, at present the ParsePosition is not updated at all, unlike
SimpleDateFormat which is able to set the error Index to the location where the
error occurr.
It does not appear to be possible to determine the error location because the
matching against the format string is all or nothing.
This means that a successful parse can only be detected by checking whether the
ParsePosition has been updated.
This needs to be documented, and some unit tests added.
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