what web plugin do you want the 1.7 or the 1.6?
you should be able to install both packages from Apple and from Oracle through your Casper server silently and if you want the 1.7 plugin you are done.
if you want the 1.6 plugin you could run this script on the workstations through casper
#!/usr/bin/perl -w
# $Id: $
# $Log: $
# config runtime environment
use strict;
use Getopt::Std;
use Sys::Syslog;
(my $progname =$0) =~ s#.*/##;
$ENV{PATH} = '/bin:/usr/bin:/usr/sbin';
umask 0022;
use vars qw($opt_h);
my $basedir = $ARGV[2] || '/';
my $plugindir = $basedir . "/Library/Internet Plug-Ins/";
my $disabldir = $plugindir . "disabled";
my $javaplugin = $basedir . "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin";
my $javaws = $basedir . "/usr/bin/javaws";
my $launchd = $basedir . "/Library/LaunchDaemons/com.hp.useAppleJavaWebPlugin";
my $launchplist= $launchd . ".plist";
my $linksrc1 = "/System/Library/Java/Support/Deploy.bundle/Contents/Resources/JavaPlugin2_NPAPI.plugin";
my $linksrc2 = "/System/Library/Frameworks/JavaVM.framework/Commands/javaws";
# Subroutines
sub usage {
(my $usage = << " USAGE") =~ s/^ //;
usage: $progname -[h] Only on 10.7 or 10.8
h: this help message
no options enables the 1.6 java plugin
USAGE
die $usage;
}
main:
undef $opt_h;
my $rc = getopts('h');
& usage if(($opt_h);
openlog $progname, undef, 'user';
unless (-e $disabldir) {
system("mkdir "$disabldir"");
system("chmod 755 "$disabldir"");
syslog('notice', "making disabled plugin directory");
}
if (-d $disabldir ) {
syslog('notice', "moving current plugin to disabled directory");
system("mv "$javaplugin" "$disabldir"");
}
else {
syslog('notice', "removing current plugin disabled directory does not exist");
system("rm -rf "$javaplugin"");
}
if (-l $javaplugin) {
syslog('notice', "removing existins java plugin");
system("rm -rf "$javaplugin"");
}
syslog('notice', "linking 1.6 plugin");
symlink $linksrc1 ,$javaplugin;
if (-l $javaws) {
syslog('notice', "removing existins javaws");
system("rm -rf "$javaws"");
}
syslog('notice', "linking 1.6 javaws");
symlink $linksrc2 ,$javaws;
system("defaults write "$launchd" Disabled -bool yes");
chmod 0644, $launchplist;
closelog;
