Hi,
By the way, I'm just suggesting this approach as an alternative with
less work compared to your original idea. Your original design is also
fine and workable, but I like to suggest an alternative that will keep
you within the log4j framework.
Yoav Shapira
Millennium Research Informatics
>-----Original Message-----
>From: Shapira, Yoav
>Sent: Friday, September 03, 2004 9:07 AM
>To: Log4J Users List
>Subject: RE: New logging method
>
>
>Hi,
>You specify the ObjectRenderer in the configuration file, as
>log4j.renderer.fully.qualified.name.of.rendered.class=fully.qualified.n
a
>me.of.rendering.class. See the PropertyConfigurator class JavaDoc for
a
>bit more details.
>
>The Map would get passed using the normal logging calls, e.g.
>Map stuff = new HashMap();
>stuff.put("principal", myPrincipal);
>stuff.put("subject", mySubject);
>stuff.put("message", myMessage);
>logger.info(stuff);
>
>Cases like these are one of the main reasons methods like
>logger.info/warn/debug/error/fatal take Object and not String.
>
>Yoav Shapira
>Millennium Research Informatics
>
>
>>-----Original Message-----
>>From: Seaman, Sloan [mailto:[EMAIL PROTECTED]
>>Sent: Friday, September 03, 2004 8:57 AM
>>To: 'Log4J Users List'
>>Subject: RE: New logging method
>>
>>Yoav,
>>
>>How would the map get passed and where do I specify the ObjectRenderer
>to
>>use?
>>
>>Do you know of an example?
>>
>>Thanks!
>>
>>--
>>Sloan
>>
>>-----Original Message-----
>>From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
>>Sent: Friday, September 03, 2004 8:54 AM
>>To: Log4J Users List
>>Subject: RE: New logging method
>>
>>
>>
>>Hi,
>>You could use a normal JDBCLogger, pass it a Map (or other Collection
>of
>>your choice) that contains the subject, principal, and a message, and
>write
>>an ObjectRenderer that can render those classes. That way you don't
>need a
>>custom logger or a custom appender.
>>
>>Yoav Shapira
>>Millennium Research Informatics
>>
>>
>>>-----Original Message-----
>>>From: Seaman, Sloan [mailto:[EMAIL PROTECTED]
>>>Sent: Friday, September 03, 2004 8:13 AM
>>>To: '[EMAIL PROTECTED]'
>>>Subject: New logging method
>>>
>>>I'm trying to figure out the best way to implement an audit system
for
>>my
>>>companies apps and I was thinking about using Log4j's framework but
>I'm
>>not
>>>sure of the best way of doing it.
>>>
>>>I need to be able to do something like:
>>>log.audit(javax.security.auth.Subject subject, Class principalClass,
>>String
>>>msg);
>>>
>>>So I was thinking I would have to create my own Logger, such as:
>>>AuditLogger log = AuditLogger.getLogger(classname);
>>>
>>>And then use the JDBC Appender to write the audit information to the
>>>database.
>>>
>>>Now, I figure I have to create a new new patternlayout character
(such
>>as
>>>%s
>>>for subject) so that I can use all the different appenders easily...
>>>
>>>But I'm curious about the best way to get the log.audit() to work
with
>>the
>>>existing framework.
>>>
>>>Can anyone point me in the right direction? Should I do it this way
>or
>>do
>>>something like:
>>>log.setSubject();
>>>log.setPrincipalClass();
>>>log.debug(msg); // have different audit levels...
>>>
>>>Thanks!
>>>--
>>>Sloan
>>>
>>
>>
>>
>>
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