That's a good idea... the code would be similar, except we'd catch
SecurityException instead of ClassNotFoundException.
-Chris
----- Original Message -----
From: "Anders Kristensen" <[EMAIL PROTECTED]>
To: "LOG4J Developers Mailing List" <[EMAIL PROTECTED]>
Sent: Monday, June 18, 2001 9:39 AM
Subject: Re: [Update] source that handles classloading properly on Java 1.X
versus Java 2.X
> Alternatively, inspect the "java.specification.version" system property.
> For JDK 1.3 it's "1.3".
>
> Anders
>
>
> Michael McCauley wrote:
> >
> > Chris,
> >
> > In the source code for VersionHelper, the getInstance method is as
follows.
> >
> > public static VersionHelper getInstance()
> > {
> > if (helper == null)
> > {
> > try
> > {
> > // Try and load a class from JDK 1.2 or higher
> > Class.forName("java.util.List");
> > return
> >
(VersionHelper)Class.forName("org.apache.log4j.helpers.VersionHelper11").new
> > Instance();
> > }
> > catch (ClassNotFoundException oops)
> > {
> > return new VersionHelper11();
> > }
> > return helper;
> > }
> >
> > Are you sure this is correct? Should it not be the following?
> >
> > public static VersionHelper getInstance()
> > {
> > if (helper == null)
> > {
> > try
> > {
> > // Try and load a class from JDK 1.1 or higher // **** change
to
> > the comment 1.2 -> 1.1
> > Class.forName("java.util.List");
> > helper =
> >
(VersionHelper)Class.forName("org.apache.log4j.VersionHelper11").newInstance
> > ();
> > }
> > catch (Exception oops)
> > {
> > helper = new VersionHelper20(); // **** this is
the
> > important change 11 -> 20
> > }
> > }
> > return helper;
> > }
> >
> > Regards,
> > Mick.
> >
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