Mercurial > pub > Impl
diff Lib/Engine/Action.pm @ 0:03e58a454b20
Создан репозитарий
author | Sergey |
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date | Tue, 14 Jul 2009 12:54:37 +0400 |
parents | |
children | 16ada169ca75 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/Engine/Action.pm Tue Jul 14 12:54:37 2009 +0400 @@ -0,0 +1,65 @@ +use strict; + +package Engine::Action; +use Engine::CGI; +use Common; +use URI; +use base qw(IMPL::Object IMPL::Object::Disposable IMPL::Object::Autofill IMPL::Object::EventSource); +use IMPL::Class::Property; +use IMPL::Class::Property::Direct; + +our %Fallout; + +BEGIN { + public _direct property Package => prop_all; + public _direct property Method => prop_all; + public _direct property Output => prop_all; + public _direct property RequestURI => prop_all; + public _direct property Result => prop_all; + __PACKAGE__->CreateEvent('OnPreInvoke'); + __PACKAGE__->CreateEvent('OnPastInvoke'); +} + +sub Invoke { + my ($this,$query) = @_; + + eval { + die new Exception('A package isn\'t specified for the action',$this->RequestURI->as_string) if not $this->{$Package}; + + no strict 'refs'; + eval "require ".$this->{$Package}.";" or die $@; + + $this->OnPreInvoke(); + + $this->{$Package}->can($this->{$Method}) or + die new Exception("The method doesn't exists", $this->{$Method}, $this->{$Package}) + if not ref $this->{$Method} eq 'CODE'; + + my $instance = $this->{$Package}->can('revive') ? $this->{$Package}->revive : $this->{$Package}; + my $method = $this->{$Method}; + + $this->{$Result} = $instance->$method($query,$this); + $this->OnPastInvoke(); + }; + + if($@) { + my $err = $@; + my $module = ref $this->{$Output} || $this->{$Output}; + if(my $uri = $module ? ($Fallout{$module}->{ref $err} || $Fallout{$module}->{Default}) : undef) { + $this->{$RequestURI} = URI->new($uri,'http'); + $this->{$Result} = $Common::Debug ? $err : undef; + } else { + die $err; + } + } +} + +sub Dispose { + my ($this) = @_; + + undef %$this; + + $this->SUPER::Dispose; +} + +1; \ No newline at end of file