Or even just checking System property java.version.
-Tom
On Fri, 17 Feb 2006, Charles O Nutter defenestrated me:
> The getenv from 1.4- is, as you mention, deprecated. That won't
> prevent it from being called. However the 1.5 version has a new
> signature, so searching for it using reflection and catching NSME
> should be fine.
>
> 1.4- version: String getenv(String)
> 1.5 version: Map<String,String> getenv()
>
> On 2/17/06, Galarneau, Neil <[EMAIL PROTECTED]> wrote:
> > A comment on this implementation:
> >
> > My impression is that Java 1.4.2 won't throw NoSuchMethodException
> > as getenv in that version is deprecated, not missing.
> >
> > This would mean that you could call getenv() directly instead of
> > reflectively as long as it was only called on Java 5.
> >
> >
> > Neil
> >
> >
> > + protected Method getSystemGetenvMethod() {
> > + Method getenvMethod = null;
> > + try {
> > + getenvMethod = java.lang.System.class.getMethod("getenv",
> > (Class[]) null);
> > + if (!getenvMethod.getReturnType().equals(java.util.Map.class))
> > {
> > + // wrong return type
> > + getenvMethod = null;
> > + }
> > + } catch (NoSuchMethodException e) {
> > + // This is the error you get if using Java 1.4.2
> > + getenvMethod = null;
> > + } catch (Exception e) {
> > + // Some other e.g. security problem
> > + getenvMethod = null;
> > + }
> >
> >
> >
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>
>
> --
> Charles Oliver Nutter @ headius.blogspot.com
> JRuby Developer @ jruby.sourceforge.net
> Application Architect @ www.ventera.com
>
>
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| | mind." -Louis Pasteur |
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