Sunil

There is a hierarchy. I would compile trace and error levels. Use the
gwt meta property and URL parameter as you suggested.

Compiling more levels cause longer compilation time. Compiling at a
lower level caused less code to be excluded in the output and also
introduces some overhead.

Fred
On 9/11/08, Sunil <[EMAIL PROTECTED]> wrote:
>
> Thanks for the response. I was assuming that there is a level
> hierarchy for compile settings, i.e., that since I compiled for DEBUG,
> then INFO/WARN/FATAL/ERROR are enabled which doesn't seem to be the
> case.
>
> In my scenario, I want to be able to log ERROR and FATAL in
> production, but have the option to see all levels if necessary while
> debugging. So here's what I might need to do.
>
> - In the module.xml, compile all levels
> <inherits name="com.allen_sauer.gwt.log.gwt-log-OFF" />
> <extend-property name="log_level" values="TRACE, DEBUG, INFO, WARN,
> ERROR, FATAL"/>
>
> - In the host file
> <meta name="gwt:property" content="log_level=ERROR">
> Assuming that this will also log both ERROR and FATAL.
>
> - If I then need to debug, I can use the URL parameter log_level=DEBUG
>
> Is there a runtime overhead to compiling all levels, and by default
> setting log_level to ERROR in the host file?
>
> Thanks
> Sunil.
>
> On Sep 9, 10:15 pm, "Fred Sauer" <[EMAIL PROTECTED]> wrote:
>> Sunil,
>> Since you're compiling with OFF and DEBUG compile time log levels in your
>> *.gwt.xml file, INFO is not a valid *compile time* log level to pass in
>> the
>> URL, and it is getting ignored. Instead it is using the default 'OFF'.
>>
>> I think what you want to do is use DEBUG level in the URL, and then in
>> your
>> code call Log.setCurrentLogLevel(Log.LOG_LEVEL_INFO). This way you will
>> only
>> see INFO level messages, although the compiled application is able to
>> disable DEBUG level ones if you change the current runtime log level.
>>
>> Fred Sauer
>> [EMAIL PROTECTED]
>>
>> On Tue, Sep 9, 2008 at 12:03 PM, Sunil <[EMAIL PROTECTED]> wrote:
>>
>> > On Sep 5, 9:56 pm, "Fred Sauer" <[EMAIL PROTECTED]> wrote:
>> > > Sunil,
>>
>> > > If you compile with OFF, isLoggingEnabled() will always return false.
>>
>> > > If you compile at any other level, then:
>> > > - if the current (runtime) log level is OFF, isLoggingEnabled() will
>> > return
>> > > false
>> > > - if the current (runtime) log level is any other value,
>> > isLoggingEnabled()
>> > > will return true
>>
>> > > In your case (compiled level = DEBUG and runtime level = INFO),
>> > > isLoggingEnabled() will return true.'
>>
>> > That's not what I am seeing.
>>
>> > The compiled level is DEBUG and OFF, since I have the following code
>> > in my module.xml
>> > <inherits name="com.allen_sauer.gwt.log.gwt-log-OFF"/>
>> > <extend-property name="log_level" values="DEBUG"/>
>>
>> > Then if I launch the GWT with a URL parameter of log_level=DEBUG,
>> > Log.isLoggingEnabled returns true.
>> > If I launch with a URL parameter of log_level=INFO, the impl object in
>> > Log class is of type LogImplOff, which returns false. I am presuming
>> > that since INFO is a lower level than DEBUG which has been compiled,
>> > it should be enabled.
>>
>> > Thanks
>> > Sunil.
>>
>> > > Fred Sauer
>> > > [EMAIL PROTECTED]
>>
>> > > On Fri, Sep 5, 2008 at 8:00 AM, Sunil <[EMAIL PROTECTED]> wrote:
>>
>> > > > On Sep 4, 9:01 pm, "Fred Sauer" <[EMAIL PROTECTED]> wrote:
>> > > > > Sunil,
>>
>> > > > > Fred Sauer
>> > > > > [EMAIL PROTECTED]
>>
>> > > > > On Thu, Sep 4, 2008 at 2:34 PM, Sunil <[EMAIL PROTECTED]> wrote:
>>
>> > > > > > Excellent tool.
>>
>> > > > > Thanks
>>
>> > > > > - Which loggers are enabled by default, and which are not? I
>> > > > > noticed
>>
>> > > > > > that the WindowLogger is not enabled by default. It would be
>> > > > > > great
>> > to
>> > > > > > add this to the documentation.
>>
>> > > > > I added a note about the WindowLogger to the getting started wiki:
>> > > > >    http://code.google.com/p/gwt-log/wiki/GettingStarted
>>
>> > > > > Also added a note showing which loggers are activate by default.
>>
>> > > > That's great. Thanks for the quick response.
>>
>> > > > > - The Log.isLoggingEnabled method, returns true only if the
>> > > > > log_level
>>
>> > > > > > is DEBUG. I would have expected it to return true even if ERROR
>> > > > > > is
>> > > > > > enabled for instance. Is there any method which can check if
>> > logging
>> > > > > > is enabled in general at runtime or not?
>>
>> > > > > It shouldn't work that way. When the log level is anything but
>> > > > > OFF,
>> > the
>> > > > > implementation is:
>> > > > >   public final boolean isLoggingEnabled() {
>> > > > >     return getLowestLogLevel() != Log.LOG_LEVEL_OFF &&
>> > > > getCurrentLogLevel()
>> > > > > != Log.LOG_LEVEL_OFF;
>> > > > >   }
>>
>> > > > I guess I am seeing this because I misunderstood the logging levels.
>> > > > I was assuming that if I compiled at DEBUG level, it would
>> > > > automatically include levels below it.
>> > > > I compiled for DEBUG, and set the runtime log_level to INFO. Then if
>> > > > I
>> > > > call isLoggingEnabled(), it returns false.
>>
>> > > > Does this mean that there is no inherent hierarchy in the levels
>> > > > like
>> > > > log4j has, and that I have to specify compilation for all levels
>> > > > that
>> > > > I need?
>>
>> > > > > > Thanks
>> > > > > > Sunil.
> >
>


-- 
Fred Sauer
[EMAIL PROTECTED]

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