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1 | # $Id: Atom.pm 1955 2006-08-02 05:59:58Z btrott $ |
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2 | |
3 | package XML::Feed::Atom; |
4 | use strict; |
5 | |
6 | use base qw( XML::Feed ); |
7 | use XML::Atom::Feed; |
8 | use XML::Atom::Util qw( iso2dt ); |
9 | use List::Util qw( first ); |
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10 | use DateTime::Format::W3CDTF; |
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11 | |
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12 | sub init_empty { |
13 | my $feed = shift; |
14 | $feed->{atom} = XML::Atom::Feed->new; |
15 | $feed; |
16 | } |
17 | |
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18 | sub init_string { |
19 | my $feed = shift; |
20 | my($str) = @_; |
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21 | if ($str) { |
22 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
23 | or return $feed->error(XML::Atom::Feed->errstr); |
24 | } |
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25 | $feed; |
26 | } |
27 | |
28 | sub format { 'Atom' } |
29 | |
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30 | sub title { shift->{atom}->title(@_) } |
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31 | sub link { |
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32 | my $feed = shift; |
33 | if (@_) { |
34 | $feed->{atom}->add_link({ rel => 'alternate', href => $_[0], |
35 | type => 'text/html', }); |
36 | } else { |
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37 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link; |
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38 | $l ? $l->href : undef; |
39 | } |
40 | } |
41 | sub description { shift->{atom}->tagline(@_) } |
42 | sub copyright { shift->{atom}->copyright(@_) } |
43 | sub language { shift->{atom}->language(@_) } |
44 | sub generator { shift->{atom}->generator(@_) } |
45 | |
46 | sub author { |
47 | my $feed = shift; |
48 | if (@_ && $_[0]) { |
49 | my $person = XML::Atom::Person->new; |
50 | $person->name($_[0]); |
51 | $feed->{atom}->author($person); |
52 | } else { |
53 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
54 | } |
55 | } |
56 | |
57 | sub modified { |
58 | my $feed = shift; |
59 | if (@_) { |
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60 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
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61 | } else { |
62 | iso2dt($feed->{atom}->modified); |
63 | } |
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64 | } |
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65 | |
66 | sub entries { |
67 | my @entries; |
68 | for my $entry ($_[0]->{atom}->entries) { |
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69 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
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70 | } |
71 | @entries; |
72 | } |
73 | |
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74 | sub add_entry { |
75 | my $feed = shift; |
76 | my($entry) = @_; |
77 | $feed->{atom}->add_entry($entry->unwrap); |
78 | } |
79 | |
80 | sub as_xml { $_[0]->{atom}->as_xml } |
81 | |
82 | package XML::Feed::Entry::Atom; |
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83 | use strict; |
84 | |
85 | use base qw( XML::Feed::Entry ); |
86 | use XML::Atom::Util qw( iso2dt ); |
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87 | use XML::Feed::Content; |
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88 | use XML::Atom::Entry; |
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89 | use List::Util qw( first ); |
90 | |
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91 | sub init_empty { |
92 | my $entry = shift; |
93 | $entry->{entry} = XML::Atom::Entry->new; |
94 | 1; |
95 | } |
96 | |
97 | sub title { shift->{entry}->title(@_) } |
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98 | sub link { |
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99 | my $entry = shift; |
100 | if (@_) { |
101 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
102 | type => 'text/html', }); |
103 | } else { |
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104 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
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105 | $l ? $l->href : undef; |
106 | } |
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107 | } |
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108 | |
109 | sub summary { |
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110 | my $entry = shift; |
111 | if (@_) { |
112 | $entry->{entry}->summary(ref($_[0]) eq 'XML::Feed::Content' ? |
113 | $_[0]->body : $_[0]); |
114 | } else { |
115 | XML::Feed::Content->wrap({ type => 'text/html', |
116 | body => $entry->{entry}->summary }); |
117 | } |
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118 | } |
119 | |
120 | sub content { |
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121 | my $entry = shift; |
122 | if (@_) { |
123 | my %param; |
124 | if (ref($_[0]) eq 'XML::Feed::Content') { |
125 | %param = (Body => $_[0]->body, Type => $_[0]->type || 'text/html'); |
126 | } else { |
127 | %param = (Body => $_[0], Type => 'text/html'); |
128 | } |
129 | $entry->{entry}->content(XML::Atom::Content->new(%param)); |
130 | } else { |
131 | my $c = $entry->{entry}->content; |
132 | XML::Feed::Content->wrap({ type => $c ? $c->type : undef, |
133 | body => $c ? $c->body : undef }); |
134 | } |
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135 | } |
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136 | |
137 | sub category { |
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138 | my $entry = shift; |
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139 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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140 | if (@_) { |
141 | $entry->{entry}->set($ns, 'subject', $_[0]); |
142 | } else { |
143 | $entry->{entry}->get($ns, 'subject'); |
144 | } |
145 | } |
146 | |
147 | sub author { |
148 | my $entry = shift; |
149 | if (@_ && $_[0]) { |
150 | my $person = XML::Atom::Person->new; |
151 | $person->name($_[0]); |
152 | $entry->{entry}->author($person); |
153 | } else { |
154 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
155 | } |
156 | } |
157 | |
158 | sub id { shift->{entry}->id(@_) } |
159 | |
160 | sub issued { |
161 | my $entry = shift; |
162 | if (@_) { |
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163 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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164 | } else { |
165 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
166 | } |
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167 | } |
168 | |
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169 | sub modified { |
170 | my $entry = shift; |
171 | if (@_) { |
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172 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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173 | } else { |
174 | $entry->{entry}->modified ? iso2dt($entry->{entry}->modified) : undef; |
175 | } |
176 | } |
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177 | |
178 | 1; |