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package Dancer::RPCPlugin::ErrorResponse; |
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use warnings; |
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use strict; |
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use Exporter 'import'; |
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our @EXPORT = qw/error_response/; |
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use Params::ValidationCompiler 'validation_for'; |
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sub error_response { |
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__PACKAGE__->new(@_); |
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} |
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sub new { |
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my $class = shift; |
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my %self = validation_for( |
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params => { |
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error_code => {optional => 0}, |
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error_message => {optional => 0}, |
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error_data => {optional => 1}, |
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}, |
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)->(@_); |
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return bless(\%self, $class); |
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} |
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sub error_code { $_[0]->{error_code} } |
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sub error_message { $_[0]->{error_message} } |
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sub error_data { exists $_[0]->{error_data} ? $_[0]->{error_data} : undef } |
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sub as_xmlrpc_fault { |
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my $self = shift; |
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return { |
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faultCode => $self->error_code, |
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faultString => $self->error_message, |
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}; |
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} |
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sub as_jsonrpc_error { |
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my $self = shift; |
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my $data = $self->error_data; |
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return { |
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error => { |
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code => $self->error_code, |
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message => $self->error_message, |
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($data ? (data => $data) : ()), |
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} |
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}; |
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} |
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sub as_restrpc_error { |
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my $self = shift; |
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my $data = $self->error_data; |
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return { |
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error => { |
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code => $self->error_code, |
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message => $self->error_message, |
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($data ? (data => $data) : ()), |
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} |
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}; |
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} |
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1; |
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=head1 NAME |
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Dancer::RPCPlugin::ErrorResponse - Interface to pass error-responses without knowlage of the protocol |
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=head1 SYNOPSIS |
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use Dancer::RPCPlugin::ErrorResponse; |
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sub handle_rpc_call { |
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... |
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return error_response( |
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error_code => 42, |
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error_message => 'That went belly-up', |
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); |
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} |
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=head1 DESCRIPTION |
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=head2 error_response(%parameters) |
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Factory function that retuns an instantiated L<Dancer::RPCPlugin::ErrorResponse>. |
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=head3 Parameters |
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=over |
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=item error_code => $error_code [required] |
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=item error_message => $error_message [required] |
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=item error_data => $error_data [optional] |
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100
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=back |
101
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102
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=head3 Responses |
103
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104
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An instance or an exception from L<Params::ValidationCompiler>. |
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106
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=head2 Dancer::RPCPlugin::ErrorResponse->new(%parameters) |
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108
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=head3 Parameters |
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110
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=over |
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112
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=item error_code => $error_code [required] |
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=item error_message => $error_message [required] |
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=item error_data => $error_data [optional] |
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=back |
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120
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=head3 Responses |
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122
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An instance or an exception from L<Params::ValidationCompiler>. |
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=head2 $er->error_code |
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Getter for the C<error_code> attribute. |
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=head2 $er->error_message |
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Getter for the C<error_message> attribute. |
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=head2 $er->error_data |
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Getter for the C<error_data> attribute. |
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=head2 $er->as_jsonrpc_error |
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Returns a data-structure for the use in the C<error> field of a jsonrpc response. |
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=head2 $er->as_xmlrpc_fault |
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Returns a data-structure for the use as a C<fault> response in XMLRPC. |
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=head2 $er->as_restrpc_error |
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Returns a data-structure like the C<error-field> in a JSONRPC2 error response. |
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=head1 COPYRIGHT |
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(c) MMXVII - Abe Timmerman <abetim@cpan.org> |
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=cut |