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   1  <?php
   2  /**
   3   * log4php is a PHP port of the log4j java logging package.
   4   * 
   5   * <p>This framework is based on log4j (see {@link http://jakarta.apache.org/log4j log4j} for details).</p>
   6   * <p>Design, strategies and part of the methods documentation are developed by log4j team 
   7   * (Ceki Gülcü as log4j project founder and 
   8   * {@link http://jakarta.apache.org/log4j/docs/contributors.html contributors}).</p>
   9   *
  10   * <p>PHP port, extensions and modifications by VxR. All rights reserved.<br>
  11   * For more information, please see {@link http://www.vxr.it/log4php/}.</p>
  12   *
  13   * <p>This software is published under the terms of the LGPL License
  14   * a copy of which has been included with this distribution in the LICENSE file.</p>
  15   * 
  16   * @package log4php
  17   * @subpackage appenders
  18   */
  19  
  20  /**
  21   * @ignore 
  22   */
  23  if (!defined('LOG4PHP_DIR')) define('LOG4PHP_DIR', dirname(__FILE__) . '/..');
  24   
  25  /**
  26   */
  27  require_once(LOG4PHP_DIR . '/LoggerAppenderSkeleton.php');
  28  require_once (LOG4PHP_DIR . '/LoggerLog.php');
  29  
  30  /**
  31   * LoggerAppenderEcho uses {@link PHP_MANUAL#echo echo} function to output events. 
  32   * 
  33   * <p>This appender requires a layout.</p>  
  34   *
  35   * @author VxR <vxr@vxr.it>
  36   * @version $Revision: 1.5 $
  37   * @package log4php
  38   * @subpackage appenders
  39   */
  40  class LoggerAppenderEcho extends LoggerAppenderSkeleton {
  41  
  42      /**
  43       * @access private 
  44       */
  45      var $requiresLayout = true;
  46  
  47      /**
  48       * @var boolean used internally to mark first append 
  49       * @access private 
  50       */
  51      var $firstAppend    = true;
  52      
  53      /**
  54       * Constructor.
  55       *
  56       * @param string $name appender name
  57       */
  58      function LoggerAppenderEcho($name)
  59      {
  60          $this->LoggerAppenderSkeleton($name);
  61      }
  62  
  63      function activateOptions()
  64      {
  65          return;
  66      }
  67      
  68      function close()
  69      {
  70          if (!$this->firstAppend)
  71              echo $this->layout->getFooter();
  72          $this->closed = true;    
  73      }
  74  
  75      function append($event)
  76      {
  77          LoggerLog::debug("LoggerAppenderEcho::append()");
  78          
  79          if ($this->layout !== null) {
  80              if ($this->firstAppend) {
  81                  echo $this->layout->getHeader();
  82                  $this->firstAppend = false;
  83              }
  84              echo $this->layout->format($event);
  85          } 
  86      }
  87  }
  88  
  89  ?>