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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 { |
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13 | my ($feed, %args) = @_; |
14 | $args{'Version'} ||= '1.0'; |
15 | |
16 | $feed->{atom} = XML::Atom::Feed->new(%args); |
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17 | $feed; |
18 | } |
19 | |
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20 | sub init_string { |
21 | my $feed = shift; |
22 | my($str) = @_; |
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23 | if ($str) { |
24 | $feed->{atom} = XML::Atom::Feed->new(Stream => $str) |
25 | or return $feed->error(XML::Atom::Feed->errstr); |
26 | } |
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27 | $feed; |
28 | } |
29 | |
30 | sub format { 'Atom' } |
31 | |
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32 | sub title { shift->{atom}->title(@_) } |
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33 | sub link { |
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34 | my $feed = shift; |
35 | if (@_) { |
36 | $feed->{atom}->add_link({ rel => 'alternate', href => $_[0], |
37 | type => 'text/html', }); |
38 | } else { |
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39 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $feed->{atom}->link; |
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40 | $l ? $l->href : undef; |
41 | } |
42 | } |
43 | sub description { shift->{atom}->tagline(@_) } |
44 | sub copyright { shift->{atom}->copyright(@_) } |
45 | sub language { shift->{atom}->language(@_) } |
46 | sub generator { shift->{atom}->generator(@_) } |
47 | |
48 | sub author { |
49 | my $feed = shift; |
50 | if (@_ && $_[0]) { |
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51 | my $person = XML::Atom::Person->new(Version => 1.0); |
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52 | $person->name($_[0]); |
53 | $feed->{atom}->author($person); |
54 | } else { |
55 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
56 | } |
57 | } |
58 | |
59 | sub modified { |
60 | my $feed = shift; |
61 | if (@_) { |
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62 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
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63 | } else { |
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64 | $feed->{atom}->modified ? iso2dt($feed->{atom}->modified) : undef; |
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65 | } |
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66 | } |
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67 | |
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68 | sub entries { |
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69 | my @entries; |
70 | for my $entry ($_[0]->{atom}->entries) { |
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71 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
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72 | } |
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73 | |
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74 | @entries; |
75 | } |
76 | |
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77 | sub add_entry { |
78 | my $feed = shift; |
79 | my($entry) = @_; |
80 | $feed->{atom}->add_entry($entry->unwrap); |
81 | } |
82 | |
83 | sub as_xml { $_[0]->{atom}->as_xml } |
84 | |
85 | package XML::Feed::Entry::Atom; |
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86 | use strict; |
87 | |
88 | use base qw( XML::Feed::Entry ); |
89 | use XML::Atom::Util qw( iso2dt ); |
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90 | use XML::Feed::Content; |
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91 | use XML::Atom::Entry; |
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92 | use List::Util qw( first ); |
93 | |
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94 | sub init_empty { |
95 | my $entry = shift; |
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96 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
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97 | 1; |
98 | } |
99 | |
100 | sub title { shift->{entry}->title(@_) } |
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101 | sub link { |
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102 | my $entry = shift; |
103 | if (@_) { |
104 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
105 | type => 'text/html', }); |
106 | } else { |
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107 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
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108 | $l ? $l->href : undef; |
109 | } |
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110 | } |
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111 | |
112 | sub summary { |
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113 | my $entry = shift; |
114 | if (@_) { |
115 | $entry->{entry}->summary(ref($_[0]) eq 'XML::Feed::Content' ? |
116 | $_[0]->body : $_[0]); |
117 | } else { |
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118 | XML::Feed::Content->wrap({ type => 'html', |
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119 | body => $entry->{entry}->summary }); |
120 | } |
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121 | } |
122 | |
123 | sub content { |
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124 | my $entry = shift; |
125 | if (@_) { |
126 | my %param; |
127 | if (ref($_[0]) eq 'XML::Feed::Content') { |
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128 | %param = (Body => $_[0]->body); |
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129 | } else { |
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130 | %param = (Body => $_[0]); |
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131 | } |
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132 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
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133 | } else { |
134 | my $c = $entry->{entry}->content; |
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135 | |
136 | # map Atom types to MIME types |
137 | my $type = $c ? $c->type : undef; |
138 | if ($type) { |
139 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
140 | $type = 'text/plain' if $type eq 'text'; |
141 | } |
142 | |
143 | XML::Feed::Content->wrap({ type => $type, |
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144 | body => $c ? $c->body : undef }); |
145 | } |
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146 | } |
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147 | |
148 | sub category { |
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149 | my $entry = shift; |
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150 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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151 | if (@_) { |
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152 | $entry->{entry}->add_category({ term => $_[0] }); |
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153 | } else { |
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154 | my $category = $entry->{entry}->category; |
155 | $category ? ($category->label || $category->term) : $entry->{entry}->get($ns, 'subject'); |
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156 | } |
157 | } |
158 | |
159 | sub author { |
160 | my $entry = shift; |
161 | if (@_ && $_[0]) { |
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162 | my $person = XML::Atom::Person->new(Version => 1.0); |
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163 | $person->name($_[0]); |
164 | $entry->{entry}->author($person); |
165 | } else { |
166 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
167 | } |
168 | } |
169 | |
170 | sub id { shift->{entry}->id(@_) } |
171 | |
172 | sub issued { |
173 | my $entry = shift; |
174 | if (@_) { |
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175 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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176 | } else { |
177 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
178 | } |
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179 | } |
180 | |
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181 | sub modified { |
182 | my $entry = shift; |
183 | if (@_) { |
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184 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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185 | } else { |
186 | $entry->{entry}->modified ? iso2dt($entry->{entry}->modified) : undef; |
187 | } |
188 | } |
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189 | |
190 | 1; |