static  void addGetterIfAvaliable(Object obj,
    String getter,
    NamedList info) 
{
    // This is a 1.6 functon, so lets do a little magic to *try* to make it work
    try {
      String n = Character.toUpperCase( getter.charAt(0) ) + getter.substring( 1 );
      Method m = obj.getClass().getMethod( "get" + n );
      Object v = m.invoke( obj, (Object[])null );
      if( v != null ) {
        info.add( getter, v );
      }
    }
    catch( Exception ex ) {} // don't worry, this only works for 1.6
}

Try to run a getter function. This is usefull because java 1.6 has a few extra usefull functions on the OperatingSystemMXBean If you are running a sun jvm, there are nice functions in: UnixOperatingSystemMXBean and com.sun.management.OperatingSystemMXBean it is package protected so it can be tested...

 public String getDescription() 
{
    return "Get System Info";
}

 public String getSource() 
{
    return "$URL: https://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.2/src/java/org/apache/solr/handler/admin/SystemInfoHandler.java $";
}

 public String getSourceId() 
{
    return "$Id: SystemInfoHandler.java 533815 2007-04-30 17:57:52Z ryan $";
}

 public String getVersion() 
{
    return "$Revision: 533815 $";
}

 public  void handleRequestBody(SolrQueryRequest req,
    SolrQueryResponse rsp) throws Exception 
{
    RequestHandlerUtils.addExperimentalFormatWarning( rsp );
    rsp.add( "core", getCoreInfo( req.getCore() ) );
    rsp.add( "lucene", getLuceneInfo() );
    rsp.add( "jvm", getJvmInfo() );
    rsp.add( "system", getSystemInfo() );
}