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From Ralph Goers <ralph.go...@dslextreme.com>
Subject Re: Logger Wrapper + Trace API = Issues
Date Sun, 11 Sep 2016 06:39:10 GMT
Do we have documentation on making custom Loggers?

Ralph

> On Sep 10, 2016, at 5:09 PM, Remko Popma <remko.popma@gmail.com> wrote:
> 
> The easier way is to use the wrapper generator tool included in log4j. The tool is intended
to be used with custom log levels and is documented here: https://logging.apache.org/log4j/2.x/manual/customloglevels.html#AddingOrReplacingLevels
> 
> I should add this question to the faq page, this is at least the 3rd or 4th time this
came up. 
> 
> Sent from my iPhone
> 
>> On 2016/09/11, at 6:11, Juan Fuentes <juanmarianofuentes@gmail.com> wrote:
>> 
>> Thanks Matt and Ralph,
>> 
>> I have extended ExtendedLoggerWrapper and it seems to work. Let’s hope I don’t
stumble against other peculiarities.
>> 
>> Thanks again!
>> Juan
>> 
>>> On 10 Sep 2016, at 21:44, Matt Sicker <boards@gmail.com> wrote:
>>> 
>>> If there's an easier way to do it, that'd be cool, but all the bridges in
>>> log4j itself use ExtendedLoggerWrapper as it is.
>>> 
>>> On 10 September 2016 at 14:35, Ralph Goers <ralph.goers@dslextreme.com>
>>> wrote:
>>> 
>>>> Yes, you use ExtendedLoggerWrapper and pass the fully qualified class name
>>>> of your wrapper class on the logMessage call. I seem to recall there is an
>>>> even easier way but it escapes me and I don’t see it documented on the
web
>>>> site.
>>>> 
>>>> Ralph
>>>> 
>>>>> On Sep 10, 2016, at 12:06 PM, Matt Sicker <boards@gmail.com> wrote:
>>>>> 
>>>>> I should note that you might want to use ExtendedLoggerWrapper in this
>>>>> scenario as the methods are protected otherwise that I just mentioned.
>>>>> 
>>>>>> On 10 September 2016 at 14:03, Matt Sicker <boards@gmail.com>
wrote:
>>>>>> 
>>>>>> When you make a custom Logger wrapper, you need to use the logMessage()
>>>>>> methods that include the fqcn string which should be the fully qualified
>>>>>> class name of the logger wrapper. See AbstractLogger for an example.
>>>>>> 
>>>>>> On 10 September 2016 at 13:57, Juan Fuentes <
>>>> juanmarianofuentes@gmail.com>
>>>>>> wrote:
>>>>>> 
>>>>>>> Dear all,
>>>>>>> 
>>>>>>> After spending half a day on this I have decide to try luck on
the
>>>>>>> official mailing list, hopefully some dev can throw some light
over
>>>> this.
>>>>>>> 
>>>>>>> I’m trying to use a wrapper over a Logger object to restrict
the
>>>> methods
>>>>>>> of the API to the ones on my interface, for example:
>>>>>>> 
>>>>>>> class Log4JLogger implements com.opencms.core.logging.Logger
{
>>>>>>> 
>>>>>>> private Logger logger;
>>>>>>> 
>>>>>>> public Log4JLogger(Logger logger) {
>>>>>>>     this.logger = logger;
>>>>>>> }
>>>>>>> 
>>>>>>> @Override
>>>>>>> public void traceEntry(String message, Object... args) {
>>>>>>>     this.logger.traceEntry(message, args);
>>>>>>> }
>>>>>>> 
>>>>>>> If I combine this with a pattern that includes the line and the
method
>>>>>>> name, for example:
>>>>>>> <PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} %-5level
%class{36}
>>>> %L
>>>>>>> %M - %msg%xEx%n"/>
>>>>>>> 
>>>>>>> I get as result the line and method name on the wrapper, what
makes
>>>>>>> sense, but is not what I want to. I want the ones from the class
that
>>>> calls
>>>>>>> the wrapper.
>>>>>>> 
>>>>>>> Any way to configure/specify this in any way?
>>>>>>> 
>>>>>>> I would be also happy if I can just extend a Logger and implement
my
>>>>>>> interface on it, but what logger should I extend? How can I create
an
>>>>>>> instance of this custom logger afterwards?
>>>>>>> 
>>>>>>> Thanks in advance,
>>>>>>> Juan
>>>>>>> ---------------------------------------------------------------------
>>>>>>> To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
>>>>>>> For additional commands, e-mail: log4j-user-help@logging.apache.org
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> Matt Sicker <boards@gmail.com>
>>>>> 
>>>>> 
>>>>> 
>>>>> --
>>>>> Matt Sicker <boards@gmail.com>
>>>> 
>>>> 
>>>> 
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
>>>> For additional commands, e-mail: log4j-user-help@logging.apache.org
>>> 
>>> 
>>> -- 
>>> Matt Sicker <boards@gmail.com>
>> 
>> 
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>> 
> 
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> 
> 



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