line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
|
|
|
|
|
|
|
package RDF::Sesame::Response; |
2
|
|
|
|
|
|
|
|
3
|
8
|
|
|
8
|
|
48
|
use strict; |
|
8
|
|
|
|
|
13
|
|
|
8
|
|
|
|
|
289
|
|
4
|
8
|
|
|
8
|
|
40
|
use warnings; |
|
8
|
|
|
|
|
13
|
|
|
8
|
|
|
|
|
218
|
|
5
|
8
|
|
|
8
|
|
8938
|
use XML::Simple; |
|
0
|
|
|
|
|
|
|
|
0
|
|
|
|
|
|
|
6
|
|
|
|
|
|
|
|
7
|
|
|
|
|
|
|
our $VERSION = '0.17'; |
8
|
|
|
|
|
|
|
|
9
|
|
|
|
|
|
|
# simple accessors |
10
|
|
|
|
|
|
|
sub errstr { return $_[0]->{error} } |
11
|
|
|
|
|
|
|
sub http_response { return $_[0]->{http} } |
12
|
|
|
|
|
|
|
sub parsed_xml { return $_[0]->{parsed} } |
13
|
|
|
|
|
|
|
sub success { return $_[0]->{success} } |
14
|
|
|
|
|
|
|
sub xml { return $_[0]->{xml} } |
15
|
|
|
|
|
|
|
|
16
|
|
|
|
|
|
|
sub content { |
17
|
|
|
|
|
|
|
my ($self) = @_; |
18
|
|
|
|
|
|
|
return $self->http_response()->content(); |
19
|
|
|
|
|
|
|
} |
20
|
|
|
|
|
|
|
|
21
|
|
|
|
|
|
|
sub is_xml { |
22
|
|
|
|
|
|
|
my ($self) = @_; |
23
|
|
|
|
|
|
|
my $content_type = $self->http_response()->header('Content-type'); |
24
|
|
|
|
|
|
|
return $content_type =~ m{ text/xml }xms; |
25
|
|
|
|
|
|
|
} |
26
|
|
|
|
|
|
|
|
27
|
|
|
|
|
|
|
sub is_binary_results { |
28
|
|
|
|
|
|
|
my ($self) = @_; |
29
|
|
|
|
|
|
|
my $content_type = $self->http_response()->header('Content-type'); |
30
|
|
|
|
|
|
|
return $content_type =~ m{ application/x-binary-rdf-results-table }xms; |
31
|
|
|
|
|
|
|
} |
32
|
|
|
|
|
|
|
|
33
|
|
|
|
|
|
|
# |
34
|
|
|
|
|
|
|
# Creates a new RDF::Sesame::Response object. |
35
|
|
|
|
|
|
|
# |
36
|
|
|
|
|
|
|
# The parameter $response is an HTTP::Response object |
37
|
|
|
|
|
|
|
# |
38
|
|
|
|
|
|
|
sub new { |
39
|
|
|
|
|
|
|
my ($class, $r) = @_; |
40
|
|
|
|
|
|
|
|
41
|
|
|
|
|
|
|
my $self = bless { |
42
|
|
|
|
|
|
|
http => $r, # our original HTTP::Response object |
43
|
|
|
|
|
|
|
success => 0, # was the command sucessful? |
44
|
|
|
|
|
|
|
xml => '', # the XML from the server |
45
|
|
|
|
|
|
|
error => '', # the error message from the server |
46
|
|
|
|
|
|
|
parsed => {}, # a hashref representing the parsed XML |
47
|
|
|
|
|
|
|
}, $class; |
48
|
|
|
|
|
|
|
|
49
|
|
|
|
|
|
|
# return an empty object if we got no HTTP::Response |
50
|
|
|
|
|
|
|
return $self unless $r; |
51
|
|
|
|
|
|
|
|
52
|
|
|
|
|
|
|
if ( !$r->is_success() ) { |
53
|
|
|
|
|
|
|
$self->{error} = $r->message(); |
54
|
|
|
|
|
|
|
return $self; |
55
|
|
|
|
|
|
|
} |
56
|
|
|
|
|
|
|
|
57
|
|
|
|
|
|
|
$self->{success} = 1; |
58
|
|
|
|
|
|
|
return $self if !$self->is_xml(); |
59
|
|
|
|
|
|
|
|
60
|
|
|
|
|
|
|
# because the XML for tuples prevents XML::Simple |
61
|
|
|
|
|
|
|
# from retaining the attribute order, we do a transform |
62
|
|
|
|
|
|
|
# to improve the XML. |
63
|
|
|
|
|
|
|
# See the documentation for _fix_tuple() |
64
|
|
|
|
|
|
|
my $xml = $self->{xml} = $r->content(); |
65
|
|
|
|
|
|
|
$xml =~ s#(.*?)#_fix_tuple($1)#siegx; |
66
|
|
|
|
|
|
|
|
67
|
|
|
|
|
|
|
# TODO call a custom XML::SAX parser instead |
68
|
|
|
|
|
|
|
$self->{parsed} = XMLin( |
69
|
|
|
|
|
|
|
$xml, |
70
|
|
|
|
|
|
|
ForceArray => [ |
71
|
|
|
|
|
|
|
qw(repository status notification |
72
|
|
|
|
|
|
|
columnName tuple attribute |
73
|
|
|
|
|
|
|
error ) |
74
|
|
|
|
|
|
|
], |
75
|
|
|
|
|
|
|
KeyAttr => [ ], |
76
|
|
|
|
|
|
|
); |
77
|
|
|
|
|
|
|
|
78
|
|
|
|
|
|
|
# examine the XML for error responses |
79
|
|
|
|
|
|
|
if( exists $self->{parsed}{error} ) { |
80
|
|
|
|
|
|
|
$self->{success} = 0; |
81
|
|
|
|
|
|
|
$self->{error} = @{$self->{parsed}{error}}[0]->{msg}; |
82
|
|
|
|
|
|
|
} |
83
|
|
|
|
|
|
|
|
84
|
|
|
|
|
|
|
return $self; |
85
|
|
|
|
|
|
|
} |
86
|
|
|
|
|
|
|
|
87
|
|
|
|
|
|
|
# The XML returned by Sesame after evaluating a table query |
88
|
|
|
|
|
|
|
# contains the attributes of each tuple in the same order as |
89
|
|
|
|
|
|
|
# the attribute (column) names. This order is not preserved by XML::Simple |
90
|
|
|
|
|
|
|
# so we need to transform the provided-XML into a more useful form. |
91
|
|
|
|
|
|
|
# This could be done with XSLT but that's overkill, so |
92
|
|
|
|
|
|
|
# we jut use regular expressions. |
93
|
|
|
|
|
|
|
# |
94
|
|
|
|
|
|
|
# An example transform would take XML like this |
95
|
|
|
|
|
|
|
# |
96
|
|
|
|
|
|
|
# |
97
|
|
|
|
|
|
|
# node1 |
98
|
|
|
|
|
|
|
# Hello |
99
|
|
|
|
|
|
|
# http://example.com |
100
|
|
|
|
|
|
|
# World! |
101
|
|
|
|
|
|
|
# |
102
|
|
|
|
|
|
|
# |
103
|
|
|
|
|
|
|
# and transform it into XML like this |
104
|
|
|
|
|
|
|
# |
105
|
|
|
|
|
|
|
# |
106
|
|
|
|
|
|
|
# node1 |
107
|
|
|
|
|
|
|
# Hello |
108
|
|
|
|
|
|
|
# http://example.com |
109
|
|
|
|
|
|
|
# World! |
110
|
|
|
|
|
|
|
# |
111
|
|
|
|
|
|
|
sub _fix_tuple { |
112
|
|
|
|
|
|
|
my $content = shift; |
113
|
|
|
|
|
|
|
|
114
|
|
|
|
|
|
|
$content =~ s# |
115
|
|
|
|
|
|
|
<\s*(bNode|literal|uri)(.*?)>(.*?)\1> |
116
|
|
|
|
|
|
|
#$3#sgix; |
117
|
|
|
|
|
|
|
|
118
|
|
|
|
|
|
|
$content =~ s# |
119
|
|
|
|
|
|
|
<\s*(null)(.*?)\s*/\s*> |
120
|
|
|
|
|
|
|
##sgix; |
121
|
|
|
|
|
|
|
|
122
|
|
|
|
|
|
|
return "$content"; |
123
|
|
|
|
|
|
|
} |
124
|
|
|
|
|
|
|
|
125
|
|
|
|
|
|
|
1; |
126
|
|
|
|
|
|
|
|
127
|
|
|
|
|
|
|
__END__ |