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# $Id$
package XML::SAX::PurePerl::Reader::URI;
use strict;
use XML::SAX::PurePerl::Reader;
use File::Temp qw(tempfile);
use Symbol;
## NOTE: This is *not* a subclass of Reader. It just returns Stream or String
## Reader objects depending on what it's capabilities are.
sub new {
my $class = shift;
my $uri = shift;
# request the URI
if (-e $uri && -f _) {
my $fh = gensym;
open($fh, $uri) || die "Cannot open file $uri : $!";
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
elsif ($uri =~ /^file:(.*)$/ && -e $1 && -f _) {
my $file = $1;
my $fh = gensym;
open($fh, $file) || die "Cannot open file $file : $!";
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
else {
# request URI, return String reader
require LWP::UserAgent;
my $ua = LWP::UserAgent->new;
$ua->agent("Perl/XML/SAX/PurePerl/1.0 " . $ua->agent);
my $req = HTTP::Request->new(GET => $uri);
my $fh = tempfile();
my $callback = sub {
my ($data, $response, $protocol) = @_;
print $fh $data;
};
my $res = $ua->request($req, $callback, 4096);
if ($res->is_success) {
seek($fh, 0, 0);
return XML::SAX::PurePerl::Reader::Stream->new($fh);
}
else {
die "LWP Request Failed";
}
}
}
1;