# Copyright (c) 2002-2010 bivio Software, Inc.  All Rights Reserved.
#
# Visit http://www.bivio.biz for more info.
# 
# This library is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; either version 2.1 of the
# License, or (at your option) any later version.
# 
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# 
# You should have received a copy of the GNU Lesser General Public
# License along with this library;  If not, you may get a copy from:
# http://www.opensource.org/licenses/lgpl-license.html
# 
# $Id: EmptyReply.pm,v 1.10 2010/09/08 21:32:03 nagler Exp $
package Bivio::Biz::Action::EmptyReply;
use strict;
use Bivio::Base 'Biz.Action';

our($VERSION) = sprintf('%d.%02d', q$Revision: 1.10 $ =~ /\d+/g);
my($_AC) = b_use('Ext.ApacheConstants');
b_use('Agent.Task')->register(__PACKAGE__);
b_use('Action.BasicAuthorization');

sub execute {
    my($proto, $req, $status, $output) = @_;
    $status ||= 'HTTP_OK';
    $status = 'NOT_FOUND'
	if $status =~ /NOT_FOUND/;
    $status = 'SERVER_ERROR'
	if $status eq 'UPDATE_COLLISION';
    my($reply) = $req->get('reply')->set_http_status($_AC->$status());
    return
	if $reply->unsafe_get_output;
    $output ||= '';
    $reply->set_output(\$output);
    return 1;
}

sub execute_forbidden {
    return shift->execute(shift, 'FORBIDDEN');
}

sub execute_no_resources {
    return shift->execute(shift, 'HTTP_SERVICE_UNAVAILABLE');
}

sub execute_not_found {
    return shift->execute(shift, 'NOT_FOUND');
}

sub execute_server_error {
    return shift->execute(shift, 'SERVER_ERROR');
}

sub execute_task_item {
    my($self, $error, $req) = @_;
    return $error =~ /^execute/ ? $self->$error($req)
	: $self->execute($req, uc($error));
}

1;