[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-4089) Allow for custom LogProviders

[Bob Thule (JIRA)]

Allow for custom LogProviders
-----------------------------

                 Key: JBSEAM-4089
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-4089
             Project: Seam
          Issue Type: Feature Request
          Components: Core
    Affects Versions: 2.1.1.GA
            Reporter: Bob Thule


Please see forum:  http://www.seamframework.org/Community/CustomLogProvider

org.jboss.seam.log.Logging finds a log provider by:

   static LogProvider getLogProvider(String category, boolean wrapped)
   {
      return isLog4JAvailable ? 
               new Log4JProvider(category, wrapped) : 
               new JDKProvider(category, wrapped);
   }

This does not allow users to supply a custom log provider.  There are two reasons I can see for wanting to use a custom log provider:
1.  To allow an alternative logging api, such as SLF4J.  (for SLF$j, the current work-around for this is to use an log4j-to-slf4j bridge jar)
2.  To allow custom work to be done, such as when error is called, to looking for an object in the contexts and to add a message to that object.
i.e.  
public void error(String message, Exception e) {
   ((ErrorLog)Contexts.getSessionContext().get("errorLog")).add(message, e);

   if (level>=ERROR)
       logImp.error(message, e);
}

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