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| 1 |  |  |  |  |  |  | package Net::OAI::Error; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 14 |  |  | 14 |  | 108 | use strict; | 
|  | 14 |  |  |  |  | 29 |  | 
|  | 14 |  |  |  |  | 587 |  | 
| 4 | 14 |  |  | 14 |  | 75 | use base qw( XML::SAX::Base Exporter ); | 
|  | 14 |  |  |  |  | 27 |  | 
|  | 14 |  |  |  |  | 20452 |  | 
| 5 |  |  |  |  |  |  | our @EXPORT = ( | 
| 6 |  |  |  |  |  |  | ); | 
| 7 |  |  |  |  |  |  |  | 
| 8 |  |  |  |  |  |  | =head1 NAME | 
| 9 |  |  |  |  |  |  |  | 
| 10 |  |  |  |  |  |  | Net::OAI::Error - OAI-PMH errors. | 
| 11 |  |  |  |  |  |  |  | 
| 12 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 13 |  |  |  |  |  |  |  | 
| 14 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 15 |  |  |  |  |  |  |  | 
| 16 |  |  |  |  |  |  | =head1 METHODS | 
| 17 |  |  |  |  |  |  |  | 
| 18 |  |  |  |  |  |  | =head2 new() | 
| 19 |  |  |  |  |  |  |  | 
| 20 |  |  |  |  |  |  | =cut | 
| 21 |  |  |  |  |  |  |  | 
| 22 |  |  |  |  |  |  | sub new { | 
| 23 | 23 |  |  | 23 | 1 | 1054 | my ( $class, %opts ) = @_; | 
| 24 | 23 |  | 33 |  |  | 229 | my $self = bless \%opts, ref( $class ) || $class; | 
| 25 | 23 |  |  |  |  | 241 | $self->{ tagStack } = []; | 
| 26 | 23 |  |  |  |  | 72 | $self->{ insideError } = 0; | 
| 27 | 23 | 100 |  |  |  | 166 | $self->{ errorCode } = '' if ! exists( $self->{ errorCode } ); | 
| 28 | 23 | 100 |  |  |  | 128 | $self->{ errorString }  = '' if ! exists( $self->{ errorString } ); | 
| 29 |  |  |  |  |  |  | # do not initialize $self->{ HTTPError } | 
| 30 | 23 |  |  |  |  | 92 | return( $self ); | 
| 31 |  |  |  |  |  |  | } | 
| 32 |  |  |  |  |  |  |  | 
| 33 |  |  |  |  |  |  | =head2 errorCode() | 
| 34 |  |  |  |  |  |  |  | 
| 35 |  |  |  |  |  |  | Returns an OAI error if one was encountered, or the empty string if no errors | 
| 36 |  |  |  |  |  |  | were associated with the OAI request. | 
| 37 |  |  |  |  |  |  |  | 
| 38 |  |  |  |  |  |  | =over 4 | 
| 39 |  |  |  |  |  |  |  | 
| 40 |  |  |  |  |  |  | =item | 
| 41 |  |  |  |  |  |  |  | 
| 42 |  |  |  |  |  |  | badArgument | 
| 43 |  |  |  |  |  |  |  | 
| 44 |  |  |  |  |  |  | =item | 
| 45 |  |  |  |  |  |  |  | 
| 46 |  |  |  |  |  |  | badResumptionToken | 
| 47 |  |  |  |  |  |  |  | 
| 48 |  |  |  |  |  |  | =item | 
| 49 |  |  |  |  |  |  |  | 
| 50 |  |  |  |  |  |  | badVerb | 
| 51 |  |  |  |  |  |  |  | 
| 52 |  |  |  |  |  |  | =item | 
| 53 |  |  |  |  |  |  |  | 
| 54 |  |  |  |  |  |  | cannotDisseminateFormat | 
| 55 |  |  |  |  |  |  |  | 
| 56 |  |  |  |  |  |  | =item | 
| 57 |  |  |  |  |  |  |  | 
| 58 |  |  |  |  |  |  | idDoesNotExist | 
| 59 |  |  |  |  |  |  |  | 
| 60 |  |  |  |  |  |  | =item | 
| 61 |  |  |  |  |  |  |  | 
| 62 |  |  |  |  |  |  | noRecordsMatch | 
| 63 |  |  |  |  |  |  |  | 
| 64 |  |  |  |  |  |  | =item | 
| 65 |  |  |  |  |  |  |  | 
| 66 |  |  |  |  |  |  | noMetadataFormats | 
| 67 |  |  |  |  |  |  |  | 
| 68 |  |  |  |  |  |  | =item | 
| 69 |  |  |  |  |  |  |  | 
| 70 |  |  |  |  |  |  | noSetHierarchy | 
| 71 |  |  |  |  |  |  |  | 
| 72 |  |  |  |  |  |  | =item | 
| 73 |  |  |  |  |  |  |  | 
| 74 |  |  |  |  |  |  | xmlParseError | 
| 75 |  |  |  |  |  |  |  | 
| 76 |  |  |  |  |  |  | =back | 
| 77 |  |  |  |  |  |  |  | 
| 78 |  |  |  |  |  |  | For more information about these error codes see: | 
| 79 |  |  |  |  |  |  | L. | 
| 80 |  |  |  |  |  |  |  | 
| 81 |  |  |  |  |  |  | =cut | 
| 82 |  |  |  |  |  |  |  | 
| 83 |  |  |  |  |  |  | sub errorCode { | 
| 84 | 13 |  |  | 13 | 1 | 36 | my ( $self, $code ) = @_; | 
| 85 | 13 | 50 |  |  |  | 66 | if ( $code ) { $self->{ errorCode } = $code; } | 
|  | 0 |  |  |  |  | 0 |  | 
| 86 | 13 |  |  |  |  | 112 | return( $self->{ errorCode } ); | 
| 87 |  |  |  |  |  |  | } | 
| 88 |  |  |  |  |  |  |  | 
| 89 |  |  |  |  |  |  | =head2 errorString() | 
| 90 |  |  |  |  |  |  |  | 
| 91 |  |  |  |  |  |  | Returns a textual description of the error that was encountered, or an empty | 
| 92 |  |  |  |  |  |  | string if there was no error associated with the OAI request. | 
| 93 |  |  |  |  |  |  |  | 
| 94 |  |  |  |  |  |  | =cut | 
| 95 |  |  |  |  |  |  |  | 
| 96 |  |  |  |  |  |  | sub errorString { | 
| 97 | 9 |  |  | 9 | 1 | 27 | my ( $self, $str ) = @_; | 
| 98 | 9 | 50 |  |  |  | 45 | if ( $str ) { $self->{ errorString } = $str; } | 
|  | 0 |  |  |  |  | 0 |  | 
| 99 | 9 |  |  |  |  | 62 | return( $self->{ errorString } ); | 
| 100 |  |  |  |  |  |  | } | 
| 101 |  |  |  |  |  |  |  | 
| 102 |  |  |  |  |  |  | =head2 HTTPError() | 
| 103 |  |  |  |  |  |  |  | 
| 104 |  |  |  |  |  |  | In case of HTTP level errors, returns the associated HTTP::Response object. | 
| 105 |  |  |  |  |  |  | Otherwise C. | 
| 106 |  |  |  |  |  |  |  | 
| 107 |  |  |  |  |  |  |  | 
| 108 |  |  |  |  |  |  | =cut | 
| 109 |  |  |  |  |  |  |  | 
| 110 |  |  |  |  |  |  | sub HTTPError { | 
| 111 | 0 |  |  | 0 | 1 | 0 | my ( $self ) = @_; | 
| 112 | 0 | 0 |  |  |  | 0 | return exists $self->{ HTTPError } ? $self->{ HTTPError } : undef; | 
| 113 |  |  |  |  |  |  | } | 
| 114 |  |  |  |  |  |  |  | 
| 115 |  |  |  |  |  |  |  | 
| 116 |  |  |  |  |  |  | =head1 TODO | 
| 117 |  |  |  |  |  |  |  | 
| 118 |  |  |  |  |  |  | =head1 SEE ALSO | 
| 119 |  |  |  |  |  |  |  | 
| 120 |  |  |  |  |  |  | =over 4 | 
| 121 |  |  |  |  |  |  |  | 
| 122 |  |  |  |  |  |  | =back | 
| 123 |  |  |  |  |  |  |  | 
| 124 |  |  |  |  |  |  | =head1 AUTHORS | 
| 125 |  |  |  |  |  |  |  | 
| 126 |  |  |  |  |  |  | =over 4 | 
| 127 |  |  |  |  |  |  |  | 
| 128 |  |  |  |  |  |  | =item * Ed Summers | 
| 129 |  |  |  |  |  |  |  | 
| 130 |  |  |  |  |  |  | =back | 
| 131 |  |  |  |  |  |  |  | 
| 132 |  |  |  |  |  |  | =cut | 
| 133 |  |  |  |  |  |  |  | 
| 134 |  |  |  |  |  |  | ## internal stuff | 
| 135 |  |  |  |  |  |  |  | 
| 136 |  |  |  |  |  |  | ## all children of Net::OAI::Base should call this to make sure | 
| 137 |  |  |  |  |  |  | ## certain object properties are set | 
| 138 |  |  |  |  |  |  |  | 
| 139 |  |  |  |  |  |  | sub start_element { | 
| 140 | 52030 |  |  | 52030 | 1 | 19313877 | my ( $self, $element ) = @_; | 
| 141 | 52030 |  |  |  |  | 91038 | my $tagName = $element->{ Name }; | 
| 142 | 52030 | 100 |  |  |  | 108905 | if ( $tagName eq 'error' ) { | 
| 143 | 3 |  |  |  |  | 13 | $self->{ errorCode } = $element->{ Attributes }{ '{}code' }{ Value }; | 
| 144 | 3 |  |  |  |  | 7 | $self->{ insideError } = 1; | 
| 145 | 3 |  |  |  |  | 14 | Net::OAI::Harvester::debug( "caught error" ); | 
| 146 |  |  |  |  |  |  | } else { | 
| 147 | 52027 |  |  |  |  | 170127 | $self->SUPER::start_element( $element ); | 
| 148 |  |  |  |  |  |  | } | 
| 149 |  |  |  |  |  |  | } | 
| 150 |  |  |  |  |  |  |  | 
| 151 |  |  |  |  |  |  | sub end_element { | 
| 152 | 52030 |  |  | 52030 | 1 | 9717748 | my ( $self, $element ) = @_; | 
| 153 | 52030 |  |  |  |  | 79762 | my $tagName = $element->{ Name }; | 
| 154 | 52030 | 100 |  |  |  | 108160 | if ( $tagName eq 'error' ) { | 
| 155 | 3 |  |  |  |  | 12 | $self->{ insideError } = 0; | 
| 156 |  |  |  |  |  |  | } else { | 
| 157 | 52027 |  |  |  |  | 161896 | $self->SUPER::end_element( $element ); | 
| 158 |  |  |  |  |  |  | } | 
| 159 |  |  |  |  |  |  | } | 
| 160 |  |  |  |  |  |  |  | 
| 161 |  |  |  |  |  |  | sub characters { | 
| 162 | 108135 |  |  | 108135 | 1 | 8945611 | my ( $self, $characters ) = @_; | 
| 163 | 108135 | 100 |  |  |  | 240045 | if ( $self->{ insideError } ) { | 
| 164 | 3 |  |  |  |  | 13 | $self->{ errorString } .= $characters->{ Data }; | 
| 165 |  |  |  |  |  |  | } else { | 
| 166 | 108132 |  |  |  |  | 309992 | $self->SUPER::characters( $characters ); | 
| 167 |  |  |  |  |  |  | } | 
| 168 |  |  |  |  |  |  | } | 
| 169 |  |  |  |  |  |  |  | 
| 170 |  |  |  |  |  |  | 1; |