[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * The MIME_Viewer_report class is a wrapper used to load the appropriate
   4   * MIME_Viewer for multipart/report data (RFC 3462).
   5   *
   6   * $Horde: framework/MIME/MIME/Viewer/report.php,v 1.6.10.6 2006/01/01 21:28:25 jan Exp $
   7   *
   8   * Copyright 2003-2006 Michael Slusarz <slusarz@bigworm.colorado.edu>
   9   *
  10   * See the enclosed file COPYING for license information (LGPL). If you
  11   * did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
  12   *
  13   * @author  Michael Slusarz <slusarz@bigworm.colorado.edu>
  14   * @since   Horde 3.0
  15   * @package Horde_MIME_Viewer
  16   */
  17  class MIME_Viewer_report extends MIME_Viewer {
  18  
  19      /**
  20       * Stores the MIME_Viewer of the specified protocol.
  21       *
  22       * @var MIME_Viewer
  23       */
  24      var $_viewer;
  25  
  26      /**
  27       * Render the multipart/report data.
  28       *
  29       * @param array $params  An array of parameters needed.
  30       *
  31       * @return string  The rendered data.
  32       */
  33      function render($params = array())
  34      {
  35          /* Get the appropriate MIME_Viewer for the protocol specified. */
  36          if (!($this->_resolveViewer())) {
  37              return;
  38          }
  39  
  40          /* Render using the loaded MIME_Viewer object. */
  41          return $this->_viewer->render($params);
  42      }
  43  
  44      /**
  45       * Returns the content-type of the Viewer used to view the part.
  46       *
  47       * @return string  A content-type string.
  48       */
  49      function getType()
  50      {
  51          /* Get the appropriate MIME_Viewer for the protocol specified. */
  52          if (!($this->_resolveViewer())) {
  53              return 'application/octet-stream';
  54          } else {
  55              return $this->_viewer->getType();
  56          }
  57      }
  58  
  59      /**
  60       * Load a MIME_Viewer according to the report-type parameter stored
  61       * in the MIME_Part to render. If unsuccessful, try to load a generic
  62       * multipart MIME_Viewer.
  63       *
  64       * @access private
  65       *
  66       * @return boolean  True on success, false on failure.
  67       */
  68      function _resolveViewer()
  69      {
  70          $viewer = null;
  71  
  72          if (empty($this->_viewer)) {
  73              if (!($type = $this->mime_part->getContentTypeParameter('report-type'))) {
  74                  return false;
  75              }
  76  
  77              $viewer = &MIME_Viewer::factory($this->mime_part, 'message/' . String::lower($type));
  78              if (empty($viewer) ||
  79                  (String::lower(get_class($viewer)) == 'mime_viewer_default')) {
  80                  if (!($viewer = &MIME_Viewer::factory($this->mime_part, $this->mime_part->getPrimaryType() . '/*'))) {
  81                      return false;
  82                  }
  83              }
  84              $this->_viewer = $viewer;
  85          }
  86  
  87          return true;
  88      }
  89  
  90  }