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| 1 |  |  |  |  |  |  | package Error::Dumb; | 
| 2 |  |  |  |  |  |  |  | 
| 3 | 1 |  |  | 1 |  | 714 | use strict; | 
|  | 1 |  |  |  |  | 2 |  | 
|  | 1 |  |  |  |  | 47 |  | 
| 4 |  |  |  |  |  |  |  | 
| 5 |  |  |  |  |  |  | =head1 NAME | 
| 6 |  |  |  |  |  |  |  | 
| 7 |  |  |  |  |  |  | Error::Dumb - simple error management for simple classes | 
| 8 |  |  |  |  |  |  |  | 
| 9 |  |  |  |  |  |  | =head1 SYNOPSIS | 
| 10 |  |  |  |  |  |  |  | 
| 11 |  |  |  |  |  |  | use Some::Simple::Class; | 
| 12 |  |  |  |  |  |  |  | 
| 13 |  |  |  |  |  |  | my $Obj = new Some::Simple::Class; | 
| 14 |  |  |  |  |  |  | $Obj->doSomething() or die $Obj->error(): | 
| 15 |  |  |  |  |  |  |  | 
| 16 |  |  |  |  |  |  |  | 
| 17 |  |  |  |  |  |  | package Some::Simple::Class; | 
| 18 |  |  |  |  |  |  |  | 
| 19 |  |  |  |  |  |  | use Error::Dumb; | 
| 20 |  |  |  |  |  |  | use vars qw(@ISA); | 
| 21 |  |  |  |  |  |  | # inherit from Error::Dumb | 
| 22 |  |  |  |  |  |  | @ISA = qw(Error::Dumb); | 
| 23 |  |  |  |  |  |  |  | 
| 24 |  |  |  |  |  |  | sub doSomething { | 
| 25 |  |  |  |  |  |  | my $self = shift; | 
| 26 |  |  |  |  |  |  | return $self->_setError('oops, failed to do something'); | 
| 27 |  |  |  |  |  |  | } | 
| 28 |  |  |  |  |  |  |  | 
| 29 |  |  |  |  |  |  | =head1 DESCRIPTION | 
| 30 |  |  |  |  |  |  |  | 
| 31 |  |  |  |  |  |  | Error::Dumb is a base class that is meant to be inherited by other classes. | 
| 32 |  |  |  |  |  |  | All this class provides is an interface for setting and retrieving error messages; as documented below... | 
| 33 |  |  |  |  |  |  |  | 
| 34 |  |  |  |  |  |  | =head1 INTERFACE | 
| 35 |  |  |  |  |  |  |  | 
| 36 |  |  |  |  |  |  | =head2 error | 
| 37 |  |  |  |  |  |  |  | 
| 38 |  |  |  |  |  |  | Accessor for private scalar ERROR. | 
| 39 |  |  |  |  |  |  |  | 
| 40 |  |  |  |  |  |  | =cut | 
| 41 |  |  |  |  |  |  |  | 
| 42 | 1 |  |  | 1 |  | 5 | use vars qw($VERSION); | 
|  | 1 |  |  |  |  | 1 |  | 
|  | 1 |  |  |  |  | 229 |  | 
| 43 |  |  |  |  |  |  |  | 
| 44 |  |  |  |  |  |  | $VERSION = do { my @r=(q$Revision: 1.2 $=~/\d+/g); sprintf "%d."."%02d"x$#r,@r }; | 
| 45 |  |  |  |  |  |  |  | 
| 46 |  |  |  |  |  |  | sub error { | 
| 47 | 0 |  |  | 0 | 1 |  | my ($self) = @_; | 
| 48 |  |  |  |  |  |  |  | 
| 49 | 0 |  |  |  |  |  | return $self->{ERROR}; | 
| 50 |  |  |  |  |  |  | } | 
| 51 |  |  |  |  |  |  |  | 
| 52 |  |  |  |  |  |  | =head2 err | 
| 53 |  |  |  |  |  |  |  | 
| 54 |  |  |  |  |  |  | Alias to error() | 
| 55 |  |  |  |  |  |  |  | 
| 56 |  |  |  |  |  |  | =cut | 
| 57 |  |  |  |  |  |  |  | 
| 58 |  |  |  |  |  |  | sub err { | 
| 59 | 0 |  |  | 0 | 1 |  | my ($self) = @_; | 
| 60 |  |  |  |  |  |  |  | 
| 61 | 0 |  |  |  |  |  | return $self->error(); | 
| 62 |  |  |  |  |  |  | } | 
| 63 |  |  |  |  |  |  |  | 
| 64 |  |  |  |  |  |  | =head2 _setError(ERRMSG) | 
| 65 |  |  |  |  |  |  |  | 
| 66 |  |  |  |  |  |  | Set private scalar ERROR to ERRMSG. | 
| 67 |  |  |  |  |  |  |  | 
| 68 |  |  |  |  |  |  | =cut | 
| 69 |  |  |  |  |  |  |  | 
| 70 |  |  |  |  |  |  | sub _setError { | 
| 71 | 0 |  |  | 0 |  |  | my ($self, $errmsg) = @_; | 
| 72 |  |  |  |  |  |  |  | 
| 73 | 0 |  |  |  |  |  | $self->{ERROR} = $errmsg; | 
| 74 |  |  |  |  |  |  |  | 
| 75 | 0 |  |  |  |  |  | return undef; | 
| 76 |  |  |  |  |  |  | } | 
| 77 |  |  |  |  |  |  |  | 
| 78 |  |  |  |  |  |  | 1; | 
| 79 |  |  |  |  |  |  |  | 
| 80 |  |  |  |  |  |  | __END__ |