Hi Vincent
I do it this way (and I am really happy with it):
org.apache.log.Logger rootLogger =
org.apache.log.Hierarchy.getDefaultHierarchy().getLoggerFor("MyApp");
MyApp main = new MyApp(args[0]);
main.setLogger(rootLogger);
main.initialize();
(later...)
DefaultConfigurationBuilder cfgBuilder = new DefaultConfigurationBuilder();
Configuration cfg = cfgBuilder.buildFromFile(cfgFile);
getLogger().setPriority(org.apache.log.Priority.getPriorityForName(cfg.getAttribute("log",
"INFO")));
//Log Manager
this.logmanager = new DefaultLogKitManager();
setupLogger(logmanager, "logmanager");
((Configurable)logmanager).configure(cfg.getChild("logkit"));
//Configuration
this.manager = new ExcaliburComponentManager();
this.manager.setLogger(logmanager.getLogger("environment"));
this.manager.setLogKitManager(logmanager);
this.manager.configure(cfg.getChild("environment"));
this.manager.initialize();
The config file looks approximately like this:
<config log="INFO">
<logkit>
<factories>
<factory type="stream"
class="org.apache.avalon.excalibur.logger.factory.StreamTargetFactory"/>
<factory type="file"
class="org.apache.avalon.excalibur.logger.factory.FileTargetFactory"/>
<factory type="priority-filter"
class="org.apache.avalon.excalibur.logger.factory.PriorityFilterTargetFactory"/>
</factories>
<targets>
<stream id="console">
<stream>System.out</stream>
<format type="avalon">%19.19{time:yyyy-MM-dd'T'HH:mm:ss.SSS}
%5.5{priority}[%-15.15{category}]: %{message}\n%{throwable}</format>
</stream>
</targets>
<categories>
<category name="environment" log-level="INFO">
<log-target id-ref="console"/>
</category>
<category name="XML" log-level="DEBUG">
<log-target id-ref="console"/>
<category name="XPath" log-level="DEBUG">
<log-target id-ref="console"/>
</category>
</category>
</categories>
</logkit>
<components>
<component role="com.outline.util.vfs.VFSManager"
class="com.outline.util.vfs.DefaultVFSManager">
<vfs name="test" class="com.outline.util.vfs.os.OSFileSystem">
<root>../../test</root>
</vfs>
</component>
<component role="com.outline.outputcenter.util.JNDIProviderSelector"
class="org.apache.avalon.excalibur.component.ExcaliburComponentSelector">
<component-instance name="default"
class="com.outline.outputcenter.util.DefaultJNDIProvider" logger="JNDI"/>
<component-instance name="jboss"
class="com.outline.outputcenter.util.DefaultJNDIProvider" logger="JNDI">
<java.naming.factory.initial>org.jnp.interfaces.NamingContextFactory</java.naming.factory.initial>
<java.naming.provider.url>localhost</java.naming.provider.url>
<java.naming.factory.url.pkgs>org.jboss.naming</java.naming.factory.url.pkgs>
</component-instance>
</component>
<!-- more config... -->
</components>
</config>
Of course, I also have the chicken/egg problem until the logmanager has
been started, but I can live with that since until this instant nothing
important happens anyway.
On Fri, 11 Jan 2002 08:17:58 -0000 Vincent Massol wrote:
> Hi,
>
> I'm using ExcaliburComponentManager to manage my components. It needs a
> LogKit logger to work. I am using something like :
>
> manager.setLogger(Hierarchy.getDefaultHierarchy().getLoggerFor("systemCo
> nfig"));
>
> This works fine. However, the logs are printed on the console and I
> would like to know how to configure it with other
> appender/filters/format etc. I would like this configuration to be
> externalized in a configuration file (same a log4j.properties or
> log4j.xml one for Log4j).
>
> It is my understanding that logkit does not provide a configuration file
> abstraction, is that right ? It is also my understanding that there is
> an excalibur DefaultLogKitManager component that does this, is that
> correct ?
>
> Looking at the source code for DefaultLogKitManager, I can see that :
> * it is itself a component. So I'll have to manually initialize it as
> there is no component manager at this stage,
> * it itself needs a LogKit logger to work ... This is the chicken and
> egg problem.
>
> What is the recommended way to do this ? Can someone provide some
> pointers to me ?
>
> Thanks
> -Vincent
Cheers,
Jeremias Märki
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