home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC World 2001 August
/
PCWorld_2001-08_cd.bin
/
Komunikace
/
phptriad
/
phptriadsetup2-11.exe
/
php
/
pear
/
Log
/
observer.php
< prev
next >
Wrap
PHP Script
|
2000-12-07
|
3KB
|
80 lines
<?php
// $Horde: horde/lib/Log/observer.php,v 1.5 2000/06/28 21:36:13 jon Exp $
/**
* The Log_observer:: class implements the Observer end of a
* Subject-Observer pattern for watching log activity and taking
* actions on exceptional events.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @version $Revision: 1.1 $
* @since Horde 1.3
*/
class Log_observer {
// {{{ properties
/** The minimum priority level of message that we want to hear
about. 0 (LOG_EMERG) is the highest priority, so we will only
hear messages with an integer priority value less than or
equal to ours. It defaults to LOG_INFO, which listens to
everything except LOG_DEBUG. */
var $priority = LOG_INFO;
// }}}
// {{{ constructor
/**
* Basic Log_observer instance that just prints out messages
* received.
*/
function Log_observer ($priority = LOG_INFO) {
$this->priority = $priority;
}
// }}}
// {{{ factory()
/**
* Attempts to return a concrete Log_observer instance of the
* specified type.
*
* @param $observer_type The type of concrate Log_observer subclass
* to return. We will attempt to dynamically
* include the code for this subclass.
* @return The newly created concrete Log_observer
* instance, or an false on an error. */
function factory ($observer_type, $priority = LOG_INFO) {
$classfile = substr(__FILE__, 0, -(strlen(basename(__FILE__)))) . 'Log/' . $observer_type . '.php';
if (file_exists($classfile)) {
include_once $classfile;
$class = 'Log_' . $observer_type;
return new $observer_type($priority);
} else {
return false;
}
}
// }}}
// {{{ notify()
/**
* This is a stub method to make sure that LogObserver classes do
* something when they are notified of a message. The default
* behavior is to just print the message, which is obviously not
* desireable in practically any situation - which is why you need
* to override this method. :)
*
* @param $messageOb A hash containing all information - the text
* message itself, the priority, what log it came
* from, etc.
*/
function notify ($messageOb) {
print_r($messageOb);
}
// }}}
}
?>