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#!/usr/bin/perl -w
# Based on an ftp client found in the LWP Cookbook and
# revised by Nathan V. Patwardhan <nvp@ora.com>.
# Copyright 1997 O'Reilly and Associates
# This package may be copied under the same terms as Perl itself.
#
# Code appears in the Unix version of the Perl Resource Kit
use LWP::UserAgent;
use URI::URL;
my $ua = new LWP::UserAgent;
# check to see if a JDK port exists for the OS. i'd say
# that we should use solaris by default, but a 9meg tarfile
# is a hard pill to swallow if it won't work for somebody. :-)
my $os_type = $^O; my $URL = lookup_jdk_port($os_type);
die("No JDK port found. Contact your vendor for details. Exiting.\n")
if $URL eq '';
print "A JDK port for your OS has been found.\nContacting: ".$URL."\n";
# Now, parse the URL using URI::URL
my($jdk_file) = (url($URL)->crack)[5];
$jdk_file =~ /(.+)\/(.+)/; $jdk_file = $2;
print "Attempting to download: $jdk_file\n";
my $expected_length;
my $bytes_received = 0;
open(OUT, ">".$jdk_file) or die("Can't open $jdk_file: $!");
$ua->request(HTTP::Request->new('GET', $URL),
sub {
my($chunk, $res) = @_;
$bytes_received += length($chunk);
unless (defined $expected_length) {
$expected_length = $res->content_length || 0;
}
if ($expected_length) {
printf STDERR "%d%% - ",
100 * $bytes_received / $expected_length;
}
print STDERR "$bytes_received bytes received\n";
print OUT $chunk;
}
);
close(OUT);
sub lookup_jdk_port {
my($port_os) = @_;
my $jdk_hosts = 'jdk_hosts';
my %HOSTS = ();
open(CFG, $jdk_hosts) or die("hosts error: $!");
while(<CFG>) {
chop;
($os, $host) = split(/\s*=>\s*/, $_);
next unless $os eq $port_os;
push(@HOSTS, $host);
}
close(CFG);
return "" unless @HOSTS;
return $HOSTS[rand @HOSTS]; # Pick one at random.
}
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