X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FDispatchType%2FChained.pm;h=a29cb7419ae89f33f2c9d0804668d3696d955bca;hp=18e7c5928e81fc81f37d037fd4a1722eb1beaf2e;hb=dd97c1ac48f275a692de1d2ce980e9d3155d78b9;hpb=fd4d9ff7a23f97c2d96114ac777badcd1ff92459

diff --git a/lib/Catalyst/DispatchType/Chained.pm b/lib/Catalyst/DispatchType/Chained.pm
index 18e7c59..a29cb74 100644
--- a/lib/Catalyst/DispatchType/Chained.pm
+++ b/lib/Catalyst/DispatchType/Chained.pm
@@ -7,6 +7,7 @@ use Text::SimpleTable;
 use Catalyst::ActionChain;
 use Catalyst::Utils;
 use URI;
+use Scalar::Util ();
 
 has _endpoints => (
                    is => 'rw',
@@ -307,6 +308,23 @@ sub register {
 
     $self->_actions->{'/'.$action->reverse} = $action;
 
+    if (exists $action->attributes->{Args}) {
+        my $args = $action->attributes->{Args}->[0];
+        if (defined($args) and not (
+            Scalar::Util::looks_like_number($args) and
+            int($args) == $args
+        )) {
+            require Data::Dumper;
+            local $Data::Dumper::Terse = 1;
+            local $Data::Dumper::Indent = 0;
+            $args = Data::Dumper::Dumper($args);
+            Catalyst::Exception->throw(
+              "Invalid Args($args) for action " . $action->reverse() .
+              " (use 'Args' or 'Args(<number>)'"
+            );
+        }
+    }
+
     unless ($action->attributes->{CaptureArgs}) {
         unshift(@{ $self->_endpoints }, $action);
     }