Export Plugin Tutorial 3: HTML
HelloHTML.pm
package EPrints::Plugin::Export::MyPlugins::HelloHTML;
@ISA = ("EPrints::Plugin::Export");
use strict;
sub new
{
my ($class, %opts) = @_;
my $self = $class->SUPER::new(%opts);
$self->{name} = "Hello, HTML!";
$self->{accept} = [ 'dataobj/eprint', 'list/eprint' ];
$self->{visible} = "all";
$self->{suffix} = ".htm";
$self->{mimetype} = "text/html; charset=utf-8";
return $self;
}
sub output_dataobj
{
my ($plugin, $dataobj) = @_;
my $xml = $plugin->xml_dataobj($dataobj);
return EPrints::XML::to_string($xml);
}
sub output_list
{
my ($plugin, %opts) = @_;
my $r = [];
my $header = "<html><head><title></title></head><body>";
if (defined $opts{"fh"})
{
print {$opts{"fh"}} $header;
}
else
{
push @{$r}, $header;
}
foreach my $dataobj ($opts{"list"}->get_records)
{
my $part = $plugin->output_dataobj($dataobj, %opts);
if (defined $opts{"fh"})
{
print {$opts{fh}} $part;
}
else
{
push @{$r}, $part;
}
}
my $footer = "</body></html>";
if (defined $opts{"fh"})
{
print {$opts{fh}} $footer;
}
else
{
push @{$r}, $footer;
}
if (defined $opts{"fh"})
{
return undef;
}
return join('', @{$r});
}
sub xml_dataobj
my ($plugin, $dataobj) = @_;
my $session = $plugin->{session};
my $div = $session->make_element("div");
my $title = $session->make_element("h2");
$title->appendChild($session->make_text($dataobj->get_value("title")));
$div->appendChild($title);
my $abstract = $session->make_element("p");
$abstract->appendChild($session->make_text($dataobj->get_value("abstract")));
$div->appendChild($abstract);
return $div;
}
1;
In More Detail
Constructor
$self->{suffix} = ".htm";
$self->{mimetype} = "text/html; charset=utf-8";
output_dataobj
my $xml = $plugin->xml_dataobj($dataobj);
return EPrints::XML::to_string($xml);
output_list
my $header = "<html><head><title></title></head><body>";
my $footer = "</body></html>";
xml_dataobj
sub xml_dataobj
my ($plugin, $dataobj) = @_;
my $session = $plugin->{session};
my $div = $session->make_element("div");
my $title = $session->make_element("h2");
$title->appendChild($session->make_text($dataobj->get_value("title")));
$div->appendChild($title);
my $abstract = $session->make_element("p");
$abstract->appendChild($session->make_text($dataobj->get_value("abstract")));
$div->appendChild($abstract);
return $div;
}
1;
Testing Your Plugin
