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Net::DBus::Error 0.33.4

  Date Added: November 18, 2010  |  Visits: 797

Net::DBus::Error

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Net::DBus::Error is a Perl module with error details for remote method invocation. SYNOPSIS package Music::Player::UnknownFormat; use base qw(Net::DBus::Error); # Define an error type for unknown track encoding type # for a music player service sub new { my $proto = shift; my $class = ref($proto) || $proto; my $self = $class->SUPER::new(name => "org.example.music.UnknownFormat", message => "Unknown track encoding format"); } package Music::Player::Engine; ...snip... # Play either mp3 or ogg music tracks, otherwise # thrown an error sub play { my $self = shift; my $url = shift; if ($url =~ /.(mp3|ogg)$/) { ...play the track } else { die Music::Player::UnknownFormat->new(); } } This objects provides for strongly typed error handling. Normally a service would simply call die "some message text" When returning the error condition to the calling DBus client, the message is associated with a generic error code or "org.freedesktop.DBus.Failed". While this suffices for many applications, occasionally it is desirable to be able to catch and handle specific error conditions. For such scenarios the service should create subclasses of the Net::DBus::Error object providing in a custom error name. This error name is then sent back to the client instead of the genreic "org.freedesktop.DBus.Failed" code.

Requirements: No special requirements
Platforms: Linux
Keyword: Dbus Details Error Libraries Method Module Netdbuserror Perl Perl Module Programming Remote Remote Method
Users rating: 0/10

License: Freeware Size: 94.21 KB
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