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package Net::OpenSocial::Client::ErrorHandler; |
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use Any::Moose '::Role'; |
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has '_errstr' => ( |
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is => 'rw', |
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isa => 'Str', |
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); |
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sub ERROR { |
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my ( $self, $message ) = @_; |
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$self->_errstr($message); |
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return; |
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} |
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sub errstr { |
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my $self = shift; |
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return $self->_errstr; |
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} |
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1; |
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=head1 NAME |
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Net::OpenSocial::Client::ErrorHandler - Error handler role |
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=head1 SYNOPSIS |
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package MyClass; |
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use Any::Moose; |
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with 'Net::OpenSocial::Client::ErrorHandler'; |
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sub my_method { |
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my $self = shift; |
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if ( $self->found_any_error ) { |
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return $self->ERROR('Error occured.'); |
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} |
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return 1; |
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} |
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package main; |
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use MyClass; |
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my $foo = MyClass->new; |
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my $result = $foo->my_method |
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or die $foo->errstr; |
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=head1 DESCRIPTION |
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Error handler role. |
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This provides a simple way to handle error. |
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=head1 METHODS |
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=head2 ERROR( $message ) |
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When some error occured, call like that |
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return $self->ERROR($error_message); |
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And this returns undef. |
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After that, you can pick up the error message by calling 'errstr' method. |
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=head2 errstr |
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If it already called 'ERROR' method, it returns an error message. |
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die $self->errstr; |
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=head1 SEE ALSO |
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L |
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=head1 AUTHOR |
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Lyo Kato, Elyo.kato@gmail.comE |
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=head1 COPYRIGHT AND LICENSE |
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78
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Copyright (C) 2009 by Lyo Kato |
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80
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself, either Perl version 5.8.8 or, |
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at your option, any later version of Perl 5 you may have available. |
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84
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=cut |
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