File Coverage

blib/lib/Data/Serializer/Persistent.pm
Criterion Covered Total %
statement 41 41 100.0
branch 8 12 66.6
condition n/a
subroutine 7 7 100.0
pod n/a
total 56 60 93.3


line stmt bran cond sub pod time code
1             package Data::Serializer::Persistent;
2              
3 2     2   15 use warnings;
  2         6  
  2         76  
4 2     2   32 use strict;
  2         5  
  2         56  
5 2     2   11 use vars qw($VERSION @ISA);
  2         4  
  2         111  
6 2     2   14 use IO::File;
  2         4  
  2         687  
7              
8 2     2   15 use Carp;
  2         4  
  2         849  
9              
10             $VERSION = '0.01';
11              
12             sub _store {
13 630     630   1048 my $self = (shift);
14 630         1059 my $data = (shift);
15 630         1176 my $file_or_fh = (shift);
16              
17              
18 630 100       1614 if (ref($file_or_fh)) {
19             #it is a file handle so print straight to it
20 126         486 print $file_or_fh $self->{parent}->serialize($data), "\n";
21             #We didn't open the filehandle, so we shouldn't close it.
22             } else {
23             #it is a file, so open it
24 504         1278 my ($mode,$perm) = @_;
25 504 50       1274 unless (defined $mode) {
26 504         987 $mode = O_CREAT|O_WRONLY;
27             }
28 504 50       1167 unless (defined $perm) {
29 504         775 $perm = 0600;
30             }
31 504         2932 my $fh = new IO::File;
32 504 50       18944 $fh->open($file_or_fh, $mode,$perm) || croak "Cannot write to $file_or_fh: $!";
33 504         54285 print $fh $self->{parent}->serialize($data), "\n";
34 504         2611 $fh->close();
35             }
36             }
37              
38             sub _retrieve {
39 630     630   1193 my $self = (shift);
40 630         1216 my $file_or_fh = (shift);
41 630 100       1724 if (ref($file_or_fh)) {
42             #it is a file handle so read straight from it
43 126         2574 my $input = join('', <$file_or_fh>);
44 126         566 chomp($input);
45 126         583 return $self->{parent}->deserialize($input);
46             #We didn't open the filehandle, so we shouldn't close it.
47             } else {
48 504         2885 my $fh = new IO::File;
49 504 50       17386 $fh->open($file_or_fh, O_RDONLY) || croak "Cannot read from $file_or_fh: $!";
50 504         39818 my $input = join('', <$fh>);
51 504         2079 chomp($input);
52 504         2172 $fh->close;
53 504         9238 return $self->{parent}->deserialize($input);
54             }
55             }
56              
57              
58              
59             1;
60             __END__
61              
62             =pod
63              
64             =head1 NAME
65            
66             Data::Serializer::Persistent - Provide means of persistently storing serialized data in a file
67            
68             =head1 SYNOPSIS
69              
70             use Data::Serializer::Persistent
71              
72             =head1 DESCRIPTION
73              
74             Used internally to L<Data::Serializer(3)>, does not currently have any public methods
75            
76             =head1 EXAMPLES
77              
78             =over 4
79              
80             =item Please see L<Data::Serializer::Cookbook(3)>
81              
82             =back
83              
84             =head1 METHODS
85              
86             =head1 AUTHOR
87              
88             Neil Neely <F<neil@neely.cx>>.
89              
90             http://neil-neely.blogspot.com/
91              
92             =head1 BUGS
93              
94             Please report all bugs here:
95              
96             http://rt.cpan.org/Public/Dist/Display.html?Name=Data-Serializer
97              
98              
99             =head1 COPYRIGHT AND LICENSE
100              
101             Copyright (c) 2011 Neil Neely. All rights reserved.
102              
103             This library is free software; you can redistribute it and/or modify
104             it under the same terms as Perl itself, either Perl version 5.8.2 or,
105             at your option, any later version of Perl 5 you may have available.
106              
107              
108             See http://www.perl.com/language/misc/Artistic.html
109              
110             =head1 SEE ALSO
111              
112             perl(1), Data::Serializer(3), IO::File(3).
113              
114             =cut
115