annotate Lib/IMPL/Config/Class.pm @ 160:3f09584bf189

Corrected web application modules
author wizard
date Mon, 27 Dec 2010 19:41:36 +0300
parents 5f676b61fb8b
children 76515373dac0
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1 package IMPL::Config::Class;
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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::Config);
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6 use IMPL::Exception;
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7 use IMPL::Class::Property;
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8
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9 BEGIN {
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10 public property Type => prop_all;
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11 public property Parameters => prop_all;
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12 public property IsSingleton => prop_all;
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13 private property _Instance => prop_all;
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14 }
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15
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16 __PACKAGE__->PassThroughArgs;
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17
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18 sub CTOR {
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19 my $this = shift;
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20
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21 die new IMPL::Exception("A Type parameter is required") unless $this->Type;
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22
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23 warn "IMPL::Config::Class is absolute, use IMPL::Config::Activator instead";
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24 }
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25
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26 sub _is_class {
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27 no strict 'refs';
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28 scalar keys %{"$_[0]::"} ? 1 : 0;
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29 }
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30
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31 sub instance {
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32 my $this = shift;
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33
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34 my $type = $this->Type;
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35
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36 if ($this->IsSingleton) {
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37 if ($this->_Instance) {
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38 return $this->_Instance;
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39 } else {
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40 my %args = (%{$this->Parameters || {}},@_);
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41 eval "require $type" unless _is_class($type);
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42 my $inst = $type->new(%args);
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43 $this->_Instance($inst);
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44 return $inst;
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45 }
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46 } else {
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47 my %args = (%{$this->Parameters || {}},@_);
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48 eval "require $type" unless _is_class($type);
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49 return $type->new(%args);
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50 }
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51 }
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52
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53 1;