POE::Component::RSSAggregator - Watch Muliple RSS Feeds for New Headlines
#!/usr/bin/perl
use strict;
use warnings;
use POE;
use POE::Component::RSSAggregator;
my @feeds = (
{ url => "http://www.jbisbee.com/rdf/",
name => "jbisbee",
delay => 10,
},
{ url => "http://lwn.net/headlines/rss",
name => "lwn",
delay => 300,
},
);
POE::Session->create(
inline_states => {
_start => \&init_session,
handle_feed => \&handle_feed,
},
);
$poe_kernel->run();
sub init_session {
my ( $kernel, $heap, $session ) = @_[ KERNEL, HEAP, SESSION ];
$heap->{rssagg} = POE::Component::RSSAggregator->new(
alias => 'rssagg',
debug => 1,
callback => $session->postback("handle_feed"),
tmpdir => '/tmp', # optional caching
);
$kernel->post( 'rssagg', 'add_feed', $_ ) for @feeds;
}
sub handle_feed {
my ( $kernel, $feed ) = ( $_[KERNEL], $_[ARG1]->[0] );
for my $headline ( $feed->late_breaking_news ) {
# do stuff with the XML::RSS::Headline object
print $headline->headline . "\n";
}
}
Create a new instace of PoCo::RSSAggregator.
- alias
POE alias to use for your instance of PoCo::RSSAggregator.
- debug
Boolean value to turn on verbose output. (debug is also passed
to XML::RSS::Feed instances to turn on verbose output as well)
- tmpdir
The tmpdir argument is passed on to XML::RSS::Feed as the
directory to cache RSS between fetches (and instances).
- http_alias
Optional. Alias of an existing PoCoCl::HTTP.
- follow_redirects
Optional. Only if you don't have an exiting PoCoCl::HTTP.
Argument is passed to PoCoCl::HTTP to tell it the follow redirect level.
(Defaults to 2)
Returns the current feeds as an array or array_ref.
Returns a hash ref of feeds with the key being the feeds name. The hash
reference you that belongs to the key is passed to
XML::RSS::Feed->new($hash_ref). ( see XML::RSS::Feed )
Accessor to access a the XML::RSS::Feed object via a feed's name.
The hash reference you pass in to add_feed is passed to
XML::RSS::Feed->new($hash_ref). ( see XML::RSS::Feed )
Pass in the name of the feed you want to remove.
Pass in the name of the feed you want to pause.
Pass in the name of the feed you want to resume (that you previously paused).
Shutdown the instance of PoCo::RSSAggregator.
Jeff Bisbee, "<jbisbee at cpan.org>"
Please report any bugs or feature requests to
"bug-poe-component-rssaggregator at
rt.cpan.org", or through the web interface at
<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=POE-Component-RSSAggregator>.
I will be notified, and then you'll automatically be notified of progress on
your bug as I make changes.
You can find documentation for this module with the perldoc command.
perldoc POE::Component::RSSAggregator
You can also look for information at:
- AnnoCPAN: Annotated CPAN documentation
<http://annocpan.org/dist/POE-Component-RSSAggregator>
- CPAN Ratings
<http://cpanratings.perl.org/d/POE-Component-RSSAggregator>
- RT: CPAN's request tracker
<http://rt.cpan.org/NoAuth/Bugs.html?Dist=POE-Component-RSSAggregator>
- Search CPAN
<http://search.cpan.org/dist/POE-Component-RSSAggregator>
Special thanks to Rocco Caputo, Martijn van Beers, Sean Burke, Prakash Kailasa
and Randal Schwartz for their help, guidance, patience, and bug reports. Guys
thanks for actually taking time to use the code and give good, honest
feedback.
Copyright 2006 Jeff Bisbee, all rights reserved.
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
XML::RSS::Feed, XML::RSS::Headline, XML::RSS::Headline::PerlJobs,
XML::RSS::Headline::Fark