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From "Albert Lee (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-604) Log spec sets in persistence unit's property fail with exception when run in different locale
Date Mon, 19 May 2008 15:45:55 GMT
Log spec sets in persistence unit's property fail with exception when run in different locale
---------------------------------------------------------------------------------------------

                 Key: OPENJPA-604
                 URL: https://issues.apache.org/jira/browse/OPENJPA-604
             Project: OpenJPA
          Issue Type: Improvement
          Components: lib
    Affects Versions: 1.0.3, 1.1.0, 1.2.0
            Reporter: Albert Lee
            Assignee: Albert Lee
            Priority: Minor
             Fix For: 1.2.0


When an application sets the Log property in a persistence unit (persistence.xml) or passes
in through map during createEntityManager[Factory] using one locale,  this setting will fail
when runs in a different locale.

It is caused by the LogImpl:

1) retrieve the *_STR from the localizer.properties

    public static final String TRACE_STR = _loc.get("log-trace").getMessage();
    public static final String INFO_STR = _loc.get("log-info").getMessage();
    public static final String WARN_STR = _loc.get("log-warn").getMessage();
    public static final String ERROR_STR = _loc.get("log-error").getMessage();
    public static final String FATAL_STR = _loc.get("log-fatal").getMessage();

2) compare only the current locale *_STR values;

    public static short getLevel(String str) {
        str = str.toUpperCase().trim();
        short val = TRACE_STR.equals(str) ? Log.TRACE :
            INFO_STR.equals(str) ? Log.INFO :
                WARN_STR.equals(str) ? Log.WARN :
                    ERROR_STR.equals(str) ? Log.ERROR :
                        FATAL_STR.equals(str) ? Log.FATAL : -1;

        if (val == -1)
            throw new IllegalArgumentException
                (_loc.get("log-bad-constant", str).getMessage());

        return val;
    }

I understand the intention is to match the Log setting using the same locale, however if the
Log string is set in an application's persistence unit (persistence.xml) or business logic
(createEntityManagerFactory( ...., map)), the application will fail.

I see two alternatives:
1) Since Log is part of the property and configuration framework, none of these property settings
are local sensitive.  We can make Log property NOT locale sensitive, i.e. always use TRACE,
INFO, WARN, ERROR and FATAL as the Log values.

2) Access both English (as in alternative 1) and also whatever current locale Log values.
I.e. English only Log values will work when set in persistence.xml and business logic  regardless
of the current locale setting but locale specific settings ONLY work in the same current locale.

Personally, the second option is more attractive and also backward compatible with existing
application that uses locale specific behavior.

Please comment on your preference!
Albert Lee.

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