<?php

/*

 * This file is part of SwiftMailer.

 * (c) 2004-2009 Chris Corbyn

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

/**

 * Logs to an Array backend.

 * @package Swift

 * @subpackage Transport

 * @author Chris Corbyn

 */

class Swift_Plugins_Loggers_ArrayLogger implements Swift_Plugins_Logger

{

  /**

   * The log contents.

   * @var array

   * @access private

   */

  private $_log = array();

  /**

   * Max size of the log.

   * @var int

   * @access private

   */

  private $_size = 0;

  /**

   * Create a new ArrayLogger with a maximum of $size entries.

   * @var int $size

   */

  public function __construct($size = 50)

  {

    $this->_size = $size;

  }

  /**

   * Add a log entry.

   * @param string $entry

   */

  public function add($entry)

  {

    $this->_log[] = $entry;

    while (count($this->_log) > $this->_size)

    {

      array_shift($this->_log);

    }

  }

  /**

   * Clear the log contents.

   */

  public function clear()

  {

    $this->_log = array();

  }

  /**

   * Get this log as a string.

   * @return string

   */

  public function dump()

  {

    return implode(PHP_EOL, $this->_log);

  }

}