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authorDaniel Friesel <derf@derf.homelinux.org>2010-08-14 05:18:31 +0200
committerDaniel Friesel <derf@derf.homelinux.org>2010-08-14 05:18:31 +0200
commit8bfee41e214b015fe6eb8ef0c185859f5b6401a7 (patch)
tree58f70a47fbf6134f5b95a389a3a1f83033fb4464 /lib/WWW
parentfec4f0d857fb35a7c6cd35a51694671651b23df7 (diff)
Add remaining error classes, sort of
Diffstat (limited to 'lib/WWW')
-rw-r--r--lib/WWW/Efa.pm44
-rw-r--r--lib/WWW/Efa/Error/Ambiguous.pm69
-rw-r--r--lib/WWW/Efa/Error/Backend.pm64
-rw-r--r--lib/WWW/Efa/Error/NoData.pm50
-rw-r--r--lib/WWW/Efa/Error/Setup.pm1
5 files changed, 186 insertions, 42 deletions
diff --git a/lib/WWW/Efa.pm b/lib/WWW/Efa.pm
index 58d55bd..1d593a4 100644
--- a/lib/WWW/Efa.pm
+++ b/lib/WWW/Efa.pm
@@ -40,8 +40,10 @@ use 5.010;
use base 'Exporter';
use XML::LibXML;
-use WWW::Efa::Error::Setup;
+use WWW::Efa::Error::Ambiguous;
use WWW::Efa::Error::Backend;
+use WWW::Efa::Error::NoData;
+use WWW::Efa::Error::Setup;
use WWW::Mechanize;
our @EXPORT_OK = ();
@@ -213,7 +215,7 @@ sub parse_initial {
my $con_part = 0;
my $con_no;
- my $cons;
+ my $cons = [];
my $xp_td = XML::LibXML::XPathExpression->new('//table//table/tr/td');
my $xp_img = XML::LibXML::XPathExpression->new('./img');
@@ -253,14 +255,7 @@ sub parse_initial {
}
}
- if (defined $con_no) {
- return $cons;
- }
- else {
- return WWW::Efa::Error::Backend->new(
- 'no data'
- );
- }
+ return $cons;
}
sub parse_pretty {
@@ -465,6 +460,7 @@ Parse the B<efa.vrr.de> reply
sub parse {
my ($self) = @_;
+ my $err;
my $tree = XML::LibXML->load_html(
string => $self->{'html_reply'},
@@ -472,10 +468,28 @@ sub parse {
my $raw_cons = parse_initial($tree);
+ if (@{$raw_cons} == 0) {
+ $self->{'error'} = WWW::Efa::Error::NoData->new();
+ }
+
for my $raw_con (@{$raw_cons}) {
push(@{$self->{'connections'}}, parse_pretty($raw_con));
}
$self->{'tree'} = $tree;
+
+ if ($err = $self->check_ambiguous()) {
+ $self->{'error'} = $err;
+ return $err;
+ }
+ elsif ($err = $self->check_no_connections()) {
+ $self->{'error'} = $err;
+ return $err;
+ }
+ elsif ($self->{'error'}) {
+ return $self->{'error'};
+ }
+
+ return $self->{'error'};
}
sub check_ambiguous {
@@ -487,15 +501,16 @@ sub check_ambiguous {
foreach my $select (@{$tree->findnodes($xp_select)}) {
- my @possible = ($select->getAttribute('name'));
+ my $post_key = $select->getAttribute('name');
+ my @possible;
foreach my $val ($select->findnodes($xp_option)) {
push(@possible, $val->textContent());
}
- return WWW::Efa::Error::Backend->new(
- 'ambiguous',
- \@possible
+ return WWW::Efa::Error::Ambiguous->new(
+ $post_key,
+ @possible,
);
}
}
@@ -511,7 +526,6 @@ sub check_no_connections {
if ($err_node) {
return WWW::Efa::Error::Backend->new(
- 'error',
$err_node->parentNode()->parentNode()->textContent()
);
}
diff --git a/lib/WWW/Efa/Error/Ambiguous.pm b/lib/WWW/Efa/Error/Ambiguous.pm
new file mode 100644
index 0000000..e738a63
--- /dev/null
+++ b/lib/WWW/Efa/Error/Ambiguous.pm
@@ -0,0 +1,69 @@
+package WWW::Efa::Error::Ambiguous;
+
+=head1 NAME
+
+WWW::Efa::Error::Ambiguous - WWW::Efa error, ambiguous to/from/via input
+
+=head1 SYNOPSIS
+
+ use WWW::Efa::Error::Ambiguous;
+
+ my $error = WWW::Efa::Error::Ambiguous->new(
+ 'name_origin', 'Bredeney', 'Bredeney Friedhof'
+ );
+
+ die $error->as_string();
+ # WWW::Efa error: ambiguous input for name_origin:
+ # Bredeney
+ # Bredeney Friedhof
+
+=head1 DESCRIPTION
+
+Class for all WWW::Efa-internal errors occuring during initialization. Usually
+caused by missing or invalid setup arguments.
+
+=cut
+
+use strict;
+use warnings;
+use 5.010;
+
+use base 'Exporter';
+
+our @EXPORT_OK = qw{};
+our @ISA = ('WWW::Efa::Error');
+
+sub new {
+ my ($obj, $key, @possible) = @_;
+ my $ref = {};
+
+ $ref->{'key'} = $key;
+ $ref->{'possible'} = \@possible;
+
+ return bless($ref, $obj);
+}
+
+=head1 METHODS
+
+=head2 $error->as_string()
+
+Return the error as string, can directly be displayed to the user
+
+=cut
+
+sub as_string {
+ my ($self) = @_;
+
+ my $ret = sprintf(
+ "WWW::Efa error: ambiguous input for %s:\n",
+ $self->{'key'},
+ );
+
+ foreach my $value (@{$self->{'possible'}}) {
+ $ret .= "\t$value\n";
+ }
+
+ return $ret;
+}
+
+1;
diff --git a/lib/WWW/Efa/Error/Backend.pm b/lib/WWW/Efa/Error/Backend.pm
index b6ffa75..930fed5 100644
--- a/lib/WWW/Efa/Error/Backend.pm
+++ b/lib/WWW/Efa/Error/Backend.pm
@@ -1,5 +1,27 @@
package WWW::Efa::Error::Backend;
+=head1 NAME
+
+WWW::Efa::Error::Backend - WWW::Efa unknown error from efa.vrr.de
+
+=head1 SYNOPSIS
+
+ use WWW::Efa::Error::Backend;
+
+ my $error = WWW::Efa::Error::Backend->new(
+ 'Yadda Yadda'
+ );
+
+ die $error->as_string();
+ # WWW::Efa error from efa.vrr.de:
+ # Yadda Yadda
+
+=head1 DESCRIPTION
+
+Received an unknown error from efa.vrr.de
+
+=cut
+
use strict;
use warnings;
use 5.010;
@@ -7,42 +29,32 @@ use 5.010;
use base 'Exporter';
our @EXPORT_OK = qw{};
+our @ISA = ('WWW::Efa::Error');
sub new {
- my ($obj, $type, $data) = @_;
+ my ($obj, $msg) = @_;
my $ref = {};
- $ref->{'type'} = $type;
- $ref->{'data'} = $data;
+ $ref->{'message'} = $msg;
return bless($ref, $obj);
}
+=head1 METHODS
+
+=head2 $error->as_string()
+
+Return the error as string, can directly be displayed to the user
+
+=cut
+
sub as_string {
my ($self) = @_;
- my $ret;
-
- given ($self->{'type'}) {
- when ('no data') {
- $ret = "WWW::Efa: efa.vrr.de returned no data\n";
- }
- when ('ambiguous') {
- $ret = sprintf(
- "WWW::Efa: efa.vrr.de: Ambiguous input for %s:\n",
- shift(@{$self->{'data'}}),
- );
- foreach my $possible (@{$self->{'data'}}) {
- $ret .= "\t${possible}\n";
- }
- }
- when ('error') {
- $ret = sprintf(
- "WWW::Efa: efa.vrr.de error:\n%s\n",
- $self->{'data'},
- );
- }
- }
- return $ret;
+
+ return sprintf(
+ "WWW::Efa error from efa.vrr.de:\n%s\n",
+ $self->{'message'},
+ );
}
1;
diff --git a/lib/WWW/Efa/Error/NoData.pm b/lib/WWW/Efa/Error/NoData.pm
new file mode 100644
index 0000000..e74d220
--- /dev/null
+++ b/lib/WWW/Efa/Error/NoData.pm
@@ -0,0 +1,50 @@
+package WWW::Efa::Error::NoData;
+
+=head1 NAME
+
+WWW::Efa::Error::NoData - WWW::Efa error, efa.vrr.de returned no data
+
+=head1 SYNOPSIS
+
+ use WWW::Efa::Error::Setup;
+
+ my $error = WWW::Efa::Error::NoData->new();
+
+ die $error->as_string();
+ # WWW::Efa error: No data returned by efa.vrr.de
+
+=head1 DESCRIPTION
+
+efa.vrr.de returned no parsable data
+
+=cut
+
+use strict;
+use warnings;
+use 5.010;
+
+use base 'Exporter';
+
+our @EXPORT_OK = qw{};
+our @ISA = ('WWW::Efa::Error');
+
+sub new {
+ my ($obj) = @_;
+ my $ref = {};
+
+ return bless($ref, $obj);
+}
+
+=head1 METHODS
+
+=head2 $error->as_string()
+
+Return the error as string, can directly be displayed to the user
+
+=cut
+
+sub as_string {
+ return "WWW::Efa error: No data returned by efa.vrr.de\n";
+}
+
+1;
diff --git a/lib/WWW/Efa/Error/Setup.pm b/lib/WWW/Efa/Error/Setup.pm
index 386613b..9840687 100644
--- a/lib/WWW/Efa/Error/Setup.pm
+++ b/lib/WWW/Efa/Error/Setup.pm
@@ -52,7 +52,6 @@ Return the error as string, can directly be displayed to the user
sub as_string {
my ($self) = @_;
- my $ret;
return sprintf(
"WWW::Efa setup error: Wrong arg for option %s: %s\n%s\n",