source: branches/1.2/workflow/inc/log/Log/error_log.php @ 1349

Revision 1349, 4.5 KB checked in by niltonneto, 15 years ago (diff)

Ticket #561 - Inclusão do módulo Workflow faltante nessa versão.

  • Property svn:executable set to *
Line 
1<?php
2/**
3 * $Header: /repository/pear/Log/Log/error_log.php,v 1.9 2008/09/20 19:36:41 jon Exp $
4 *
5 * @version $Revision: 1.9 $
6 * @package Log
7 */
8
9/**
10 * The Log_error_log class is a concrete implementation of the Log abstract
11 * class that logs messages using PHP's error_log() function.
12 *
13 * @author  Jon Parise <jon@php.net>
14 * @since   Log 1.7.0
15 * @package Log
16 *
17 * @example error_log.php   Using the error_log handler.
18 */
19class Log_error_log extends Log
20{
21    /**
22     * The error_log() log type.
23     * @var integer
24     * @access private
25     */
26    var $_type = PEAR_LOG_TYPE_SYSTEM;
27
28    /**
29     * The type-specific destination value.
30     * @var string
31     * @access private
32     */
33    var $_destination = '';
34
35    /**
36     * Additional headers to pass to the mail() function when the
37     * PEAR_LOG_TYPE_MAIL type is used.
38     * @var string
39     * @access private
40     */
41    var $_extra_headers = '';
42
43    /**
44     * String containing the format of a log line.
45     * @var string
46     * @access private
47     */
48    var $_lineFormat = '%2$s: %4$s';
49
50    /**
51     * String containing the timestamp format.  It will be passed directly to
52     * strftime().  Note that the timestamp string will generated using the
53     * current locale.
54     * @var string
55     * @access private
56     */
57    var $_timeFormat = '%b %d %H:%M:%S';
58
59    /**
60     * Constructs a new Log_error_log object.
61     *
62     * @param string $name     Ignored.
63     * @param string $ident    The identity string.
64     * @param array  $conf     The configuration array.
65     * @param int    $level    Log messages up to and including this level.
66     * @access public
67     */
68    function Log_error_log($name, $ident = '', $conf = array(),
69                           $level = PEAR_LOG_DEBUG)
70    {
71        $this->_id = md5(microtime());
72        $this->_type = $name;
73        $this->_ident = $ident;
74        $this->_mask = Log::UPTO($level);
75
76        if (!empty($conf['destination'])) {
77            $this->_destination = $conf['destination'];
78        }
79
80        if (!empty($conf['extra_headers'])) {
81            $this->_extra_headers = $conf['extra_headers'];
82        }
83
84        if (!empty($conf['lineFormat'])) {
85            $this->_lineFormat = str_replace(array_keys($this->_formatMap),
86                                             array_values($this->_formatMap),
87                                             $conf['lineFormat']);
88        }
89
90        if (!empty($conf['timeFormat'])) {
91            $this->_timeFormat = $conf['timeFormat'];
92        }
93    }
94
95    /**
96     * Opens the handler.
97     *
98     * @access  public
99     * @since   Log 1.9.6
100     */
101    function open()
102    {
103        $this->_opened = true;
104        return true;
105    }
106
107    /**
108     * Closes the handler.
109     *
110     * @access  public
111     * @since   Log 1.9.6
112     */
113    function close()
114    {
115        $this->_opened = false;
116        return true;
117    }
118
119    /**
120     * Logs $message using PHP's error_log() function.  The message is also
121     * passed along to any Log_observer instances that are observing this Log.
122     *
123     * @param mixed  $message   String or object containing the message to log.
124     * @param string $priority The priority of the message.  Valid
125     *                  values are: PEAR_LOG_EMERG, PEAR_LOG_ALERT,
126     *                  PEAR_LOG_CRIT, PEAR_LOG_ERR, PEAR_LOG_WARNING,
127     *                  PEAR_LOG_NOTICE, PEAR_LOG_INFO, and PEAR_LOG_DEBUG.
128     * @return boolean  True on success or false on failure.
129     * @access public
130     */
131    function log($message, $priority = null)
132    {
133        /* If a priority hasn't been specified, use the default value. */
134        if ($priority === null) {
135            $priority = $this->_priority;
136        }
137
138        /* Abort early if the priority is above the maximum logging level. */
139        if (!$this->_isMasked($priority)) {
140            return false;
141        }
142
143        /* Extract the string representation of the message. */
144        $message = $this->_extractMessage($message);
145
146        /* Build the string containing the complete log line. */
147        $line = $this->_format($this->_lineFormat,
148                               strftime($this->_timeFormat),
149                               $priority, $message);
150
151        /* Pass the log line and parameters to the error_log() function. */
152        $success = error_log($line, $this->_type, $this->_destination,
153                             $this->_extra_headers);
154
155        $this->_announce(array('priority' => $priority, 'message' => $message));
156
157        return $success;
158    }
159
160}
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