interface/modules/zend_modules/library/Zend/Mail/Header/Subject.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Mail\Header;
  11
  12 class Subject implements UnstructuredInterface
  13 {
  14     /**
  15      * @var string
  16      */
  17     protected $subject = '';
  18
  19     /**
  20      * Header encoding
  21      *
  22      * @var string
  23      */
  24     protected $encoding = 'ASCII';
  25
  26     public static function fromString($headerLine)
  27     {
  28         $decodedLine = iconv_mime_decode($headerLine, ICONV_MIME_DECODE_CONTINUE_ON_ERROR, 'UTF-8');
  29         list($name, $value) = GenericHeader::splitHeaderLine($decodedLine);
  30
  31         // check to ensure proper header type for this factory
  32         if (strtolower($name) !== 'subject') {
  33             throw new Exception\InvalidArgumentException('Invalid header line for Subject string');
  34         }
  35
  36         $header = new static();
  37         if ($decodedLine != $headerLine) {
  38             $header->setEncoding('UTF-8');
  39         }
  40         $header->setSubject($value);
  41
  42         return $header;
  43     }
  44
  45     public function getFieldName()
  46     {
  47         return 'Subject';
  48     }
  49
  50     public function getFieldValue($format = HeaderInterface::FORMAT_RAW)
  51     {
  52         if (HeaderInterface::FORMAT_ENCODED === $format) {
  53             return HeaderWrap::wrap($this->subject, $this);
  54         }
  55
  56         return $this->subject;
  57     }
  58
  59     public function setEncoding($encoding)
  60     {
  61         $this->encoding = $encoding;
  62         return $this;
  63     }
  64
  65     public function getEncoding()
  66     {
  67         return $this->encoding;
  68     }
  69
  70     public function setSubject($subject)
  71     {
  72         $this->subject = (string) $subject;
  73         return $this;
  74     }
  75
  76     public function toString()
  77     {
  78         return 'Subject: ' . $this->getFieldValue(HeaderInterface::FORMAT_ENCODED);
  79     }
  80 }