annotate lib/IMPL/Web/Handler/LocaleHandler.pm @ 408:5c80e33f1218 ref20150831

added 'coarsen' function
author cin
date Mon, 07 Sep 2015 01:35:25 +0300
parents c6e90e02dd17
children
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407
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1 package IMPL::Web::Handler::LocaleHandler;
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2 use strict;
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3
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4 use IMPL::Const qw(:prop);
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5 use DateTime;
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6 use IMPL::declare {
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7 require => {
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8 Resources => 'IMPL::Resources'
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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::Autofill' => '@_',
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13 'IMPL::Object::Serializable' => undef
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14 ],
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15 props => [
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16 locales => PROP_RO | PROP_LIST,
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17 default => PROP_RO,
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18 cookie => PROP_RO
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19 ]
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20 };
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21
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22 sub Invoke {
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23 my ($this,$action,$nextHandler) = @_;
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24
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25 my $locale;
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26
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27 if ($this->cookie and my $cookie = $action->cookie($this->cookie)) {
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28 ($locale) = grep /^$cookie/i, $this->locales;
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29 }
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30
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31 unless($locale) {
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32 my @matches;
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33
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34 my $best = [$this->default,0];
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35
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36 if(my $header = $action->header('Accept-Language')) {
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37 foreach my $part (split(/\s*,\s*/, $header)) {
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38 my ($lang,$quality) = ($part =~ /([a-z]+(?:\-[a-z]+)*)(?:\s*;\s*q=(0\.[\d]+|1))?/i );
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39
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40 $quality ||=1;
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41
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42 foreach my $tag ($this->locales) {
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43 if ( $tag =~ m/^$lang/i ) {
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44 push @matches, [$tag,$quality];
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45 }
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46 }
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47 }
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48
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49 foreach my $match (@matches) {
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50 if ($match->[1] > $best->[1]) {
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51 $best = $match;
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52 }
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53 }
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54
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55 }
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56
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57 $locale = $best->[0];
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58 }
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59
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60 if($locale) {
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61 Resources->SetLocale($locale);
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62 #$locale =~ tr/-/_/;
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63 DateTime->DefaultLocale($locale);
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64 }
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65
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66 return $nextHandler->($action);
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67 }
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68
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69 1;
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70
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71 __END__
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72
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73 =pod
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74
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75 =head1 NAME
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76
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77 C<IMPL::Web::Handler::LocaleHandler> - handles locale for the request
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78
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79 =head1 SYNOPSIS
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80
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81 =begin code xml
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82
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83 <handlers type="ARRAY">
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84 <item type="IMPL::Web::Handler::LocaleHandler">
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85 <locales type="ARRAY">
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86 <item>en-US</item>
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87 <item>ru-RU</item>
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88 </locales>
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89 <default>en-US</default>
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90 <cookie>lang</cookie>
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91 </item>
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92 </handlers>
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93
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94 =end code xml
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95
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96 =cut