net.php.pear/Log/observer.php

<?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);
    }
    // }}}
    
}

?>
1	cvsjoko	1.1	<?php
2			// $Horde: horde/lib/Log/observer.php,v 1.5 2000/06/28 21:36:13 jon Exp $
3
4			/**
5			* The Log_observer:: class implements the Observer end of a
6			* Subject-Observer pattern for watching log activity and taking
7			* actions on exceptional events.
8			*
9			* @author Chuck Hagenbuch <chuck@horde.org>
10			* @version $Revision: 1.1 $
11			* @since Horde 1.3
12			*/
13			class Log_observer {
14
15			// {{{ properties
16
17			/** The minimum priority level of message that we want to hear
18			about. 0 (LOG_EMERG) is the highest priority, so we will only
19			hear messages with an integer priority value less than or
20			equal to ours. It defaults to LOG_INFO, which listens to
21			everything except LOG_DEBUG. */
22			var $priority = LOG_INFO;
23
24			// }}}
25
26
27			// {{{ constructor
28			/**
29			* Basic Log_observer instance that just prints out messages
30			* received.
31			*/
32			function Log_observer ($priority = LOG_INFO) {
33			$this->priority = $priority;
34			}
35			// }}}
36
37
38			// {{{ factory()
39			/**
40			* Attempts to return a concrete Log_observer instance of the
41			* specified type.
42			*
43			* @param $observer_type The type of concrate Log_observer subclass
44			* to return. We will attempt to dynamically
45			* include the code for this subclass.
46			* @return The newly created concrete Log_observer
47			* instance, or an false on an error. */
48			function factory ($observer_type, $priority = LOG_INFO) {
49			$classfile = substr(__FILE__, 0, -(strlen(basename(__FILE__)))) . 'Log/' . $observer_type . '.php';
50			if (file_exists($classfile)) {
51			include_once $classfile;
52			$class = 'Log_' . $observer_type;
53			return new $observer_type($priority);
54			} else {
55			return false;
56			}
57			}
58			// }}}
59
60			// {{{ notify()
61			/**
62			* This is a stub method to make sure that LogObserver classes do
63			* something when they are notified of a message. The default
64			* behavior is to just print the message, which is obviously not
65			* desireable in practically any situation - which is why you need
66			* to override this method. :)
67			*
68			* @param $messageOb A hash containing all information - the text
69			* message itself, the priority, what log it came
70			* from, etc.
71			*/
72			function notify ($messageOb) {
73			print_r($messageOb);
74			}
75			// }}}
76
77			}
78
79			?>
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