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1 | # $Id: Atom.pm 1958 2006-08-14 05:31:27Z 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; |
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14 | $feed->{atom} = XML::Atom::Feed->new(Version => 1.0); |
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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]) { |
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49 | my $person = XML::Atom::Person->new(Version => 1.0); |
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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 { |
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62 | $feed->{atom}->modified ? iso2dt($feed->{atom}->modified) : undef; |
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63 | } |
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64 | } |
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65 | |
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66 | sub entries { |
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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 | } |
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71 | |
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72 | @entries; |
73 | } |
74 | |
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75 | sub add_entry { |
76 | my $feed = shift; |
77 | my($entry) = @_; |
78 | $feed->{atom}->add_entry($entry->unwrap); |
79 | } |
80 | |
81 | sub as_xml { $_[0]->{atom}->as_xml } |
82 | |
83 | package XML::Feed::Entry::Atom; |
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84 | use strict; |
85 | |
86 | use base qw( XML::Feed::Entry ); |
87 | use XML::Atom::Util qw( iso2dt ); |
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88 | use XML::Feed::Content; |
973e1f9e |
89 | use XML::Atom::Entry; |
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90 | use List::Util qw( first ); |
91 | |
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92 | sub init_empty { |
93 | my $entry = shift; |
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94 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
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95 | 1; |
96 | } |
97 | |
98 | sub title { shift->{entry}->title(@_) } |
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99 | sub link { |
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100 | my $entry = shift; |
101 | if (@_) { |
102 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
103 | type => 'text/html', }); |
104 | } else { |
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105 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
973e1f9e |
106 | $l ? $l->href : undef; |
107 | } |
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108 | } |
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109 | |
110 | sub summary { |
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111 | my $entry = shift; |
112 | if (@_) { |
113 | $entry->{entry}->summary(ref($_[0]) eq 'XML::Feed::Content' ? |
114 | $_[0]->body : $_[0]); |
115 | } else { |
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116 | XML::Feed::Content->wrap({ type => 'html', |
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117 | body => $entry->{entry}->summary }); |
118 | } |
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119 | } |
120 | |
121 | sub content { |
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122 | my $entry = shift; |
123 | if (@_) { |
124 | my %param; |
125 | if (ref($_[0]) eq 'XML::Feed::Content') { |
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126 | %param = (Body => $_[0]->body); |
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127 | } else { |
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128 | %param = (Body => $_[0]); |
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129 | } |
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130 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
973e1f9e |
131 | } else { |
132 | my $c = $entry->{entry}->content; |
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133 | |
134 | # map Atom types to MIME types |
135 | my $type = $c ? $c->type : undef; |
136 | if ($type) { |
137 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
138 | $type = 'text/plain' if $type eq 'text'; |
139 | } |
140 | |
141 | XML::Feed::Content->wrap({ type => $type, |
973e1f9e |
142 | body => $c ? $c->body : undef }); |
143 | } |
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144 | } |
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145 | |
146 | sub category { |
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147 | my $entry = shift; |
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148 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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149 | if (@_) { |
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150 | $entry->{entry}->add_category({ term => $_[0] }); |
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151 | } else { |
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152 | my $category = $entry->{entry}->category; |
153 | $category ? ($category->label || $category->term) : $entry->{entry}->get($ns, 'subject'); |
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154 | } |
155 | } |
156 | |
157 | sub author { |
158 | my $entry = shift; |
159 | if (@_ && $_[0]) { |
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160 | my $person = XML::Atom::Person->new(Version => 1.0); |
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161 | $person->name($_[0]); |
162 | $entry->{entry}->author($person); |
163 | } else { |
164 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
165 | } |
166 | } |
167 | |
168 | sub id { shift->{entry}->id(@_) } |
169 | |
170 | sub issued { |
171 | my $entry = shift; |
172 | if (@_) { |
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173 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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174 | } else { |
175 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
176 | } |
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177 | } |
178 | |
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179 | sub modified { |
180 | my $entry = shift; |
181 | if (@_) { |
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182 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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183 | } else { |
184 | $entry->{entry}->modified ? iso2dt($entry->{entry}->modified) : undef; |
185 | } |
186 | } |
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187 | |
188 | 1; |