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   1  <?php
   2  /**
   3   * XMPPHP: The PHP XMPP Library
   4   * Copyright (C) 2008  Nathanael C. Fritz
   5   * This file is part of SleekXMPP.
   6   * 
   7   * XMPPHP is free software; you can redistribute it and/or modify
   8   * it under the terms of the GNU General Public License as published by
   9   * the Free Software Foundation; either version 2 of the License, or
  10   * (at your option) any later version.
  11   * 
  12   * XMPPHP is distributed in the hope that it will be useful,
  13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15   * GNU General Public License for more details.
  16   * 
  17   * You should have received a copy of the GNU General Public License
  18   * along with XMPPHP; if not, write to the Free Software
  19   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  20   *
  21   * @category   xmpphp 
  22   * @package    XMPPHP
  23   * @author     Nathanael C. Fritz <JID: fritzy@netflint.net>
  24   * @author     Stephan Wentz <JID: stephan@jabber.wentz.it>
  25   * @author     Michael Garvin <JID: gar@netflint.net>
  26   * @copyright  2008 Nathanael C. Fritz
  27   */
  28  
  29  /**
  30   * XMPPHP Log
  31   * 
  32   * @package    XMPPHP
  33   * @author     Nathanael C. Fritz <JID: fritzy@netflint.net>
  34   * @author     Stephan Wentz <JID: stephan@jabber.wentz.it>
  35   * @author     Michael Garvin <JID: gar@netflint.net>
  36   * @copyright  2008 Nathanael C. Fritz
  37   * @version    $Id$
  38   */
  39  class XMPPHP_Log {
  40      
  41      const LEVEL_ERROR   = 0;
  42      const LEVEL_WARNING = 1;
  43      const LEVEL_INFO    = 2;
  44      const LEVEL_DEBUG   = 3;
  45      const LEVEL_VERBOSE = 4;
  46      
  47      /**
  48       * @var array
  49       */
  50      protected $data = array();
  51  
  52      /**
  53       * @var array
  54       */
  55      protected $names = array('ERROR', 'WARNING', 'INFO', 'DEBUG', 'VERBOSE');
  56  
  57      /**
  58       * @var integer
  59       */
  60      protected $runlevel;
  61  
  62      /**
  63       * @var boolean
  64       */
  65      protected $printout;
  66  
  67      /**
  68       * Constructor
  69       *
  70       * @param boolean $printout
  71       * @param string  $runlevel
  72       */
  73  	public function __construct($printout = false, $runlevel = self::LEVEL_INFO) {
  74          $this->printout = (boolean)$printout;
  75          $this->runlevel = (int)$runlevel;
  76      }
  77  
  78      /**
  79       * Add a message to the log data array
  80       * If printout in this instance is set to true, directly output the message
  81       *
  82       * @param string  $msg
  83       * @param integer $runlevel
  84       */
  85  	public function log($msg, $runlevel = self::LEVEL_INFO) {
  86          $time = time();
  87          #$this->data[] = array($this->runlevel, $msg, $time);
  88          if($this->printout and $runlevel <= $this->runlevel) {
  89              $this->writeLine($msg, $runlevel, $time);
  90          }
  91      }
  92  
  93      /**
  94       * Output the complete log.
  95       * Log will be cleared if $clear = true
  96       *
  97       * @param boolean $clear
  98       * @param integer $runlevel
  99       */
 100  	public function printout($clear = true, $runlevel = null) {
 101          if($runlevel === null) {
 102              $runlevel = $this->runlevel;
 103          }
 104          foreach($this->data as $data) {
 105              if($runlevel <= $data[0]) {
 106                  $this->writeLine($data[1], $runlevel, $data[2]);
 107              }
 108          }
 109          if($clear) {
 110              $this->data = array();
 111          }
 112      }
 113      
 114  	protected function writeLine($msg, $runlevel, $time) {
 115          //echo date('Y-m-d H:i:s', $time)." [".$this->names[$runlevel]."]: ".$msg."\n";
 116          echo $time." [".$this->names[$runlevel]."]: ".$msg."\n";
 117          flush();
 118      }
 119  }