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1 package IMPL::Config;
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2 use strict;
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3 use warnings;
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4
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5 use base qw(IMPL::Object IMPL::Object::Serializable IMPL::Object::Autofill);
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6
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7 __PACKAGE__->PassThroughArgs;
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8
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9 use IMPL::Class::Member;
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10 use IMPL::Class::PropertyInfo;
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11 use IMPL::Exception;
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12
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13 use IMPL::Serialization;
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14 use IMPL::Serialization::XmlFormatter;
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15
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16 sub LoadXMLFile {
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17 my ($self,$file) = @_;
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18
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19 my $class = ref $self || $self;
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20
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21 my $serializer = new IMPL::Serializer(
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22 Formatter => new IMPL::Serialization::XmlFormatter(
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23 IdentOutput => 1,
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24 SkipWhitespace => 1
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25 )
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26 );
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27
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28 open my $hFile,'<',$file or die new IMPL::Exception("Failed to open file",$file,$!);
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29
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30 my $obj;
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31 eval {
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32 $obj = $serializer->Deserialize($hFile);
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33 };
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34
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35 if ($@) {
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36 my $e=$@;
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37 die new IMPL::Exception("Can't load the configuration file",$file,$e);
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38 }
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39 return $obj;
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40 }
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41
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42 sub SaveXMLFile {
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43 my ($this,$file) = @_;
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44
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45 my $serializer = new IMPL::Serializer(
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46 Formatter => new IMPL::Serialization::XmlFormatter(
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47 IdentOutput => 1,
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48 SkipWhitespace => 1
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49 )
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50 );
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51
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52 open my $hFile,'>',$file or die new IMPL::Exception("Failed to open file",$file,$!);
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53
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54 $serializer->Serialize($hFile, $this);
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55 }
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56
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57 sub xml {
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58 my $this = shift;
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59 my $serializer = new IMPL::Serializer(
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60 Formatter => new IMPL::Serialization::XmlFormatter(
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61 IdentOutput => 1,
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62 SkipWhitespace => 1
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63 )
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64 );
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65 my $str = '';
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66 open my $hFile,'>',\$str or die new IMPL::Exception("Failed to open stream",$!);
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67
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68 $serializer->Serialize($hFile, $this);
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69
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70 undef $hFile;
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71
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72 return $str;
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73 }
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74
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75 sub save {
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76 my ($this,$ctx) = @_;
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77
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78 foreach my $info ($this->get_meta('IMPL::Class::PropertyInfo')) {
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79 next if $info->Access != IMPL::Class::Member::MOD_PUBLIC; # save only public properties
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80
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81 my $name = $info->Name;
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82 $ctx->AddVar($name => $this->$name()) if $this->$name();
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83 }
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84 }
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85
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86 1;
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87 __END__
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88
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89 =pod
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90
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91 =h1 SYNOPSIS
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92
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93 package App::Config
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94 use base qw(IMPL::Config)
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95
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96 use IMPL::Class::Property;
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97 use IMPL::Config::Class;
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98
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99 BEGIN {
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100 public property SimpleString => prop_all;
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101 public property MyClass => prop_all;
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102 }
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103
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104 sub CTOR {
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105 my $this = shift;
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106 $this->superCTOR(@_);
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107
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108 $this->MyClass(new IMPL::Config::Class(Type => MyClass)) unless $this->MyClass;
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109 }
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110
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111 =head1 DESCRIPTION
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112
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113 Позволяет сохранить/загрузить конфигурацию. Также все классы конфигурации
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114 должны наследоваться от данного класса, и все Public свойства будут
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115 автоматически сохраняться и восстанавливаться.
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116
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117 =head1 MEMBERS
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118
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119 =over
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120
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121 =item static LoadXMLFile($fileName)
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122 Создает из XML файла экземпляр приложения
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123
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124 =item SaveXMLFile($fileName)
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125 Сохраняет приложение в файл
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126
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127 =item xml
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128 Сохраняет конфигурацию приложения в XML строку
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129
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130 =back
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131
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132 =cut
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