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From Matthias Weßendorf (JIRA) <...@myfaces.apache.org>
Subject [jira] Created: (TRINIDAD-1524) i18n issue with (German) format pattern
Date Thu, 02 Jul 2009 08:54:47 GMT
i18n issue with (German) format pattern
---------------------------------------

                 Key: TRINIDAD-1524
                 URL: https://issues.apache.org/jira/browse/TRINIDAD-1524
             Project: MyFaces Trinidad
          Issue Type: Bug
    Affects Versions:  1.2.11-core
            Reporter: Matthias Weßendorf
            Assignee: Matthias Weßendorf


This is not only a bug in Trinidad... It is mainly an issue in the core date_time_converter
as well:

       <h:form>
         <h:messages/>
         <h:inputText value="#{input.date}" immediate="true">
           <f:convertDateTime type="both" timeStyle="full"
           timeZone="America/New_York"
           pattern="dd.MM.yyyy HH:mm' Uhr '"
           locale="de"
           />
         </h:inputText>
         <h:commandButton value="Submit" type="submit"/>
       </h:form>

Note that the pattern is like this: dd.MM.yyyy HH:mm' Uhr '
After the word "Uhr" there is an empty space (required by the pattern).

Now when you enter this String "30.06.09 12:11 Uhr " (notice the empty String at the end),
we run into the problem, that the spec wants the converter to trim leading/trailing whitespaces
before proceeding. Makes sense....
but gives us a (neat) error.

See this JavaDoc section:
http://java.sun.com/javaee/javaserverfaces/1.2_MR1/docs/api/javax/faces/convert/DateTimeConverter.html

<snip>
If the specified String is null, return a null. Otherwise, trim leading and trailing whitespace
before proceeding.
</snip>

However, when the pattern requires an empty space at the end, we (the converter) should honor
that...

possible change in the converter code (after the trim() has been called):
    if(pattern.endsWith(" '"))
    {	
      value += " ";
         
    }

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