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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); |
973e1f9e |
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(@_) } |
e8fcbc5b |
47 | sub id { shift->{atom}->id(@_) } |
48 | sub updated { shift->{atom}->updated(@_) } |
49 | sub add_link { shift->{atom}->add_link(@_) } |
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50 | |
51 | sub author { |
52 | my $feed = shift; |
53 | if (@_ && $_[0]) { |
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54 | my $person = XML::Atom::Person->new(Version => 1.0); |
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55 | $person->name($_[0]); |
56 | $feed->{atom}->author($person); |
57 | } else { |
58 | $feed->{atom}->author ? $feed->{atom}->author->name : undef; |
59 | } |
60 | } |
61 | |
62 | sub modified { |
63 | my $feed = shift; |
64 | if (@_) { |
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65 | $feed->{atom}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])); |
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66 | } else { |
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67 | return iso2dt($feed->{atom}->modified) if $feed->{atom}->modified; |
68 | return iso2dt($feed->{atom}->updated) if $feed->{atom}->updated; |
69 | return undef; |
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70 | } |
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71 | } |
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72 | |
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73 | sub entries { |
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74 | my @entries; |
75 | for my $entry ($_[0]->{atom}->entries) { |
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76 | push @entries, XML::Feed::Entry::Atom->wrap($entry); |
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77 | } |
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78 | |
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79 | @entries; |
80 | } |
81 | |
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82 | sub add_entry { |
83 | my $feed = shift; |
84 | my($entry) = @_; |
85 | $feed->{atom}->add_entry($entry->unwrap); |
86 | } |
87 | |
88 | sub as_xml { $_[0]->{atom}->as_xml } |
89 | |
90 | package XML::Feed::Entry::Atom; |
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91 | use strict; |
92 | |
93 | use base qw( XML::Feed::Entry ); |
94 | use XML::Atom::Util qw( iso2dt ); |
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95 | use XML::Feed::Content; |
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96 | use XML::Atom::Entry; |
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97 | use List::Util qw( first ); |
98 | |
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99 | sub init_empty { |
100 | my $entry = shift; |
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101 | $entry->{entry} = XML::Atom::Entry->new(Version => 1.0); |
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102 | 1; |
103 | } |
104 | |
105 | sub title { shift->{entry}->title(@_) } |
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106 | sub source { shift->{entry}->source(@_) } |
107 | sub updated { shift->{entry}->updated(@_) } |
108 | |
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109 | sub link { |
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110 | my $entry = shift; |
111 | if (@_) { |
112 | $entry->{entry}->add_link({ rel => 'alternate', href => $_[0], |
113 | type => 'text/html', }); |
114 | } else { |
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115 | my $l = first { !defined $_->rel || $_->rel eq 'alternate' } $entry->{entry}->link; |
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116 | $l ? $l->href : undef; |
117 | } |
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118 | } |
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119 | |
120 | sub summary { |
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121 | my $entry = shift; |
122 | if (@_) { |
123 | $entry->{entry}->summary(ref($_[0]) eq 'XML::Feed::Content' ? |
124 | $_[0]->body : $_[0]); |
125 | } else { |
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126 | XML::Feed::Content->wrap({ type => 'html', |
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127 | body => $entry->{entry}->summary }); |
128 | } |
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129 | } |
130 | |
131 | sub content { |
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132 | my $entry = shift; |
133 | if (@_) { |
134 | my %param; |
135 | if (ref($_[0]) eq 'XML::Feed::Content') { |
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136 | %param = (Body => $_[0]->body, Type => ($_[0]->type eq 'text/html')? 'html' : 'text'); |
973e1f9e |
137 | } else { |
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138 | %param = (Body => $_[0]); |
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139 | } |
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140 | $entry->{entry}->content(XML::Atom::Content->new(%param, Version => 1.0)); |
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141 | } else { |
142 | my $c = $entry->{entry}->content; |
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143 | |
144 | # map Atom types to MIME types |
145 | my $type = $c ? $c->type : undef; |
146 | if ($type) { |
147 | $type = 'text/html' if $type eq 'xhtml' || $type eq 'html'; |
148 | $type = 'text/plain' if $type eq 'text'; |
149 | } |
150 | |
151 | XML::Feed::Content->wrap({ type => $type, |
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152 | body => $c ? $c->body : undef }); |
153 | } |
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154 | } |
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155 | |
156 | sub category { |
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157 | my $entry = shift; |
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158 | my $ns = XML::Atom::Namespace->new(dc => 'http://purl.org/dc/elements/1.1/'); |
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159 | if (@_) { |
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160 | $entry->{entry}->add_category({ term => $_[0] }); |
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161 | } else { |
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162 | my $category = $entry->{entry}->category; |
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163 | my @return = $category ? ($category->label || $category->term) : $entry->{entry}->getlist($ns, 'subject'); |
164 | return wantarray? @return : $return[0]; |
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165 | } |
166 | } |
167 | |
168 | sub author { |
169 | my $entry = shift; |
170 | if (@_ && $_[0]) { |
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171 | my $person = XML::Atom::Person->new(Version => 1.0); |
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172 | $person->name($_[0]); |
173 | $entry->{entry}->author($person); |
174 | } else { |
175 | $entry->{entry}->author ? $entry->{entry}->author->name : undef; |
176 | } |
177 | } |
178 | |
179 | sub id { shift->{entry}->id(@_) } |
180 | |
181 | sub issued { |
182 | my $entry = shift; |
183 | if (@_) { |
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184 | $entry->{entry}->issued(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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185 | } else { |
186 | $entry->{entry}->issued ? iso2dt($entry->{entry}->issued) : undef; |
187 | } |
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188 | } |
189 | |
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190 | sub modified { |
191 | my $entry = shift; |
192 | if (@_) { |
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193 | $entry->{entry}->modified(DateTime::Format::W3CDTF->format_datetime($_[0])) if $_[0]; |
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194 | } else { |
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195 | return iso2dt($entry->{entry}->modified) if $entry->{entry}->modified; |
196 | return iso2dt($entry->{entry}->updated) if $entry->{entry}->updated; |
197 | return undef; |
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198 | } |
199 | } |
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200 | |
201 | 1; |