Ability to use global property to point to log4net configuration file
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Key: LOG4NET-33
URL: http://issues.apache.org/jira/browse/LOG4NET-33
Project: Log4net
Type: Improvement
Components: Core
Versions: 1.2.9
Environment: Any
Reporter: patrick conant
Priority: Minor
The log4j tool has the ability to specify a system property to point to the
logging configuration file. For instance, when starting a java program (such
as tomcat), one can pass "-Dlog4j.configuration=http://mydomain/log4j.xml"; as a
command line parameter. Log4j checks to see whether this property is available
and, if it is, uses the return value from the URL to configure categories and
appenders.
A similar mechanism in log4net would allow a few improvements in logging
configuring:
* No need to use the XmlConfiguratorAttribute in any assemblies
* No need to know at design time where the log4net config file will be located
* Ability to configure logging for all components in an app domain by setting a
property in the app domain's config file
* Ability to configure logging for all components on a machine by setting a
property in the machine.config file
* Ability to updating config file contents without updating app or machine
config contents.
I'd propose doing a direct mirror of the log4j capabilities into log4net as
follows:
* Update the LogManager class with a static constructor that mirrors the static
block in the LogManager class in log4j
* Use System.Configuration.ConfigurationSettings.AppSettings.Get(...) instead
of java's System.getProperty(...)
* Don't support the configuratorClass attribute (yet) because the
XmlConfigurator seems to be the only logical choice
* Don't implement the DEFAULT_XML_CONFIGURATION_FILE or
DEFAULT_CONFIGURATION_FILE property checks (yet).
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