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annotate Lib/IMPL/Web/Handler/JSONView.pm @ 251:9f394b27dccf

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require can handle recursive module references
author sergey
date Fri, 16 Nov 2012 16:44:16 +0400
parents f48a1a9f4fa2
children 32aceba4ee6d
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1 package IMPL::Web::Handler::JSONView;
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2 use strict;
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3 use JSON;
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4
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5 use IMPL::declare {
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6 require => {
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7 HttpResponse => 'IMPL::Web::HttpResponse',
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8 ViewResult => '-IMPL::Web::ViewResult'
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9 },
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10 base => [
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11 'IMPL::Object' => undef,
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12 'IMPL::Object::Serializable' => undef,
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13 'IMPL::Object::Autofill' => '@_'
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14 ]
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15 };
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16
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17 sub contentType {
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18 'application/json'
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19 }
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20
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21 sub Invoke {
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22 my ($this,$action,$next) = @_;
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23
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24 my $result = $next ? $next->($action) : undef;
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25
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26
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27 my $model = ( ref $result and eval { $result->isa(ViewResult) } )
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28 ? $result->model
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29 : $result;
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30
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31 $model = [$model] unless ref $model;
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32
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33 return HttpResponse->new({
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34 type => $this->contentType,
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35 charset => 'utf-8',
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36 body => JSON->new->utf8->pretty->encode($model)
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37 });
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38 }
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39
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40 1;
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41
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42 __END__
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43
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44 =pod
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45
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46 =head1
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47
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48 =cut