ship-simu/inc/classes/main/output/class_WebOutput.php

   1 <?php
   2 /**
   3  * This class simply puts HTML code / JavaScript code or CSS code out to the
   4  * browser
   5  */
   6 class WebOutput extends BaseFrameworkSystem implements OutputStreamer {
   7         /**
   8          * The instance for the singleton design pattern
   9          */
  10         private static $webInstance = null;
  11
  12         /**
  13          * Private constructor
  14          *
  15          * @return      void
  16          */
  17         private function __construct () {
  18                 // Call parent constructor
  19                 parent::constructor(__CLASS__);
  20
  21                 // Set description
  22                 $this->setPartDescr("Web-Ausgabe-Handler");
  23
  24                 // Create an unique ID
  25                 $this->createUniqueID();
  26         }
  27
  28         /**
  29          * Create a new web output system and set the content type
  30          *
  31          * @param               $contentType            A valid content-type
  32          * @return      $debugInstance          An instance of this middleware class
  33          */
  34         public final static function createWebOutput ($contentType) {
  35                 // Is there no instance?
  36                 if (is_null(self::$webInstance)) {
  37                         // Cast the content-type to string and trim it
  38                         $contentType = (string) $contentType;
  39                         $contentType = trim($contentType);
  40
  41                         // Set the content type
  42                         if (!empty($contentType)) {
  43                                 @header(sprintf("Content-type: %s",
  44                                         $contentType
  45                                 ));
  46                         }
  47
  48                         // Get a new instance and set it
  49                         self::$webInstance = new WebOutput();
  50                 }
  51
  52                 // Return instance
  53                 return self::$webInstance;
  54         }
  55
  56         /**
  57          * Assigns a variable for output
  58          *
  59          * @param               $var            The variable we shall assign
  60          * @param               $value  The value to store in the variable
  61          * @return      void
  62          */
  63         public function assignVariable($var, $value) {
  64                 // Stub message because we don't have it here
  65                 trigger_error(__METHOD__.": Stub!");
  66         }
  67
  68         /**
  69          * Output the code
  70          *
  71          * @return      void
  72          */
  73         public final function output ($outStream=false) {
  74                 print $outStream;
  75         }
  76 }
  77
  78 // [EOF]
  79 ?>