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root/cvsroot/COMP/SCRAM/src/ActiveDoc/SimpleXMLURLDoc.pm
Revision: 1.3
Committed: Fri Jan 13 18:48:29 2006 UTC (19 years, 4 months ago) by sashby
Content type: text/plain
Branch: MAIN
Changes since 1.2: +41 -33 lines
Log Message:
Added new container classes. More updates to XML based doc classes.

File Contents

# Content
1 #____________________________________________________________________
2 # File: ActiveDoc::SimpleXMLURLDoc.pm
3 #____________________________________________________________________
4 #
5 # Author: Shaun Ashby <Shaun.Ashby@cern.ch>
6 # Update: 2005-12-02 17:44:08+0100
7 # Revision: $Id: SimpleXMLURLDoc.pm,v 1.2 2005/12/15 16:38:10 sashby Exp $
8 #
9 # Copyright: 2005 (C) Shaun Ashby
10 #
11 #--------------------------------------------------------------------
12
13 =head1 NAME
14
15 ActiveDoc::SimpleXMLURLDoc - Base class for URL-based SCRAM documents.
16
17 =head1 SYNOPSIS
18
19 my $obj = ActiveDoc::SimpleXMLURLDoc->new();
20
21 =head1 DESCRIPTION
22
23 Any document class inheriting from ActiveDoc::SimpleXMLURLDoc will have access to
24 URL handling.
25
26 =head1 METHODS
27
28 =over
29
30 =cut
31
32 package ActiveDoc::SimpleXMLURLDoc;
33 use ActiveDoc::SimpleXMLDoc;
34 use URL::URLhandler;
35 require 5.004;
36 use Exporter;
37 use vars qw(@ISA);
38
39 @ISA=qw(Exporter ActiveDoc::SimpleXMLDoc);
40 @EXPORT_OK=qw( );
41
42 sub new()
43 {
44 ###############################################################
45 # new #
46 ###############################################################
47 # modified : Fri Dec 2 17:44:11 2005 / SFA #
48 # params : #
49 # : #
50 # function : #
51 # : #
52 ###############################################################
53 my $proto=shift;
54 my $class=ref($proto) || $proto;
55 my ($urlcache,$context,@defhandlers)=@_;
56 my $self= bless($proto->SUPER::new($context,@defhandlers),$class);
57 $self->{CONTEXT}=$context;
58 # Register supported tags for this doc class, and specify which
59 # attributes should be checked for:
60 my $nested = 1;
61 my $unnested = 0;
62 my %recognised_tags = ('base' => [ { 'url' => 'REQUIRED' }, $nested ],
63 'download' => [ { 'url' => 'REQUIRED', 'name' => 'OPTION' }, $unnested ]);
64
65 # Register these recognised tags to the base class (which registers them
66 # to the container class):
67 $self->register_handlers_(\%recognised_tags);
68
69 # Set up a URL cache:
70 $self->cache($urlcache);
71 return $self;
72 }
73
74 sub cache
75 {
76 my $self=shift;
77
78 if ( @_ )
79 {
80 $self->{cache}=shift;
81 $self->urlhandler_(URL::URLhandler->new($self->{cache}));
82 }
83
84 return $self->{cache};
85 }
86
87 sub expandurl
88 {
89 my $self=shift;
90 my $urlstring=shift;
91 return $self->urlhandler_()->expandurl($urlstring);
92 }
93
94 sub urldownload
95 {
96 my $self=shift;
97 my $urlstring=shift;
98
99 ($fullurl,$filename)=$self->urlhandler_()->download($urlstring, @_);
100
101 if ( ( ! defined $filename ) || ( $filename eq "" ) )
102 {
103 $self->parseerror("Failed to get $fullurl");
104 }
105
106 return ($fullurl,$filename);
107 }
108
109 sub urlget
110 {
111 my $self=shift;
112 my $urlstring=shift;
113
114 ($fullurl,$filename)=$self->urlhandler_()->get($urlstring, @_);
115
116 if ( ( ! defined $filename ) || ( $filename eq "" ) )
117 {
118 $self->parseerror("Failed to get $fullurl");
119 }
120
121 return ($fullurl,$filename);
122 }
123
124 sub urlhandler_()
125 {
126 my $self=shift;
127 @_ ? $self->{urlhandler} = shift
128 : $self->{urlhandler};
129 }
130
131 1;
132
133 =back
134
135 =head1 AUTHOR/MAINTAINER
136
137 Shaun ASHBY
138
139 =cut