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#____________________________________________________________________
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# File: ActiveDoc::SimpleXMLURLDoc.pm
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#____________________________________________________________________
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#
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# Author: Shaun Ashby <Shaun.Ashby@cern.ch>
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# Update: 2005-12-02 17:44:08+0100
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# Revision: $Id: SimpleXMLURLDoc.pm,v 1.6 2006/02/13 17:29:25 sashby Exp $
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#
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# Copyright: 2005 (C) Shaun Ashby
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#
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#--------------------------------------------------------------------
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=head1 NAME
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ActiveDoc::SimpleXMLURLDoc - Base class for URL-based SCRAM documents.
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=head1 SYNOPSIS
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my $obj = ActiveDoc::SimpleXMLURLDoc->new();
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=head1 DESCRIPTION
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Any document class inheriting from ActiveDoc::SimpleXMLURLDoc will have access to
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URL handling.
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=head1 METHODS
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=over
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=cut
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package ActiveDoc::SimpleXMLURLDoc;
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use ActiveDoc::SimpleXMLDoc;
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use URL::URLhandler;
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require 5.004;
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use Exporter;
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use vars qw(@ISA);
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@ISA=qw(Exporter ActiveDoc::SimpleXMLDoc);
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@EXPORT_OK=qw( );
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sub new()
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{
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###############################################################
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# new #
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###############################################################
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# modified : Fri Dec 2 17:44:11 2005 / SFA #
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# params : #
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# : #
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# function : #
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# : #
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###############################################################
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my $proto=shift;
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my $class=ref($proto) || $proto;
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my ($urlcache,$context,@defhandlers)=@_;
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my $self= bless($proto->SUPER::new($context,@defhandlers),$class);
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$self->{CONTEXT}=$context;
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# Register supported tags for this doc class, and specify which
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# attributes should be checked for:
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my $nested = 1;
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my $unnested = 0;
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my %recognised_tags = ('base' => [ { 'url' => 'REQUIRED' }, $nested ],
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'download' => [ { 'url' => 'REQUIRED', 'name' => 'OPTION' }, $unnested ]);
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# Register these recognised tags to the base class (which registers them
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# to the container class):
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$self->register_handlers_(\%recognised_tags);
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# Set up a URL cache:
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$self->cache($urlcache);
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return $self;
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}
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sub cache
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{
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my $self=shift;
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if ( @_ )
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{
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$self->{cache}=shift;
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$self->urlhandler_(URL::URLhandler->new($self->{cache}));
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}
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return $self->{cache};
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}
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sub expandurl
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{
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my $self=shift;
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my $urlstring=shift;
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return $self->urlhandler_()->expandurl($urlstring);
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}
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sub urldownload
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{
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my $self=shift;
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my $urlstring=shift;
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my ($fullurl,$filename)=$self->urlhandler_()->download($urlstring, @_);
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if ( ( ! defined $filename ) || ( $filename eq "" ) )
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{
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$self->parseerror("Failed to get $fullurl");
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}
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return ($fullurl,$filename);
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}
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sub urlget
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{
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my $self=shift;
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my $urlstring=shift;
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my ($fullurl,$filename)=$self->urlhandler_()->get($urlstring, @_);
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if ( ( ! defined $filename ) || ( $filename eq "" ) )
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{
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$self->parseerror("Failed to get $fullurl");
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}
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return ($fullurl,$filename);
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}
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sub setbaseurl()
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{
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my $self=shift;
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my ($partialurl)=@_;
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return $self->urlhandler_()->setbase($partialurl);
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}
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sub unsetbaseurl()
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{
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my $self=shift;
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my ($type)=@_;
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$self->urlhandler_()->unsetbase($type);
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}
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sub urlhandler_()
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{
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my $self=shift;
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@_ ? $self->{urlhandler} = shift
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: $self->{urlhandler};
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}
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sub parseerror()
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{
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my $self=shift;
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my ($string)=@_;
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die "Error in download: ",$string,"\n";
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}
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1;
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=back
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=head1 AUTHOR/MAINTAINER
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Shaun ASHBY
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=cut
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