classes/feeditem/atom.php

   1 <?php
   2 class FeedItem_Atom extends FeedItem_Common {
   3         function get_id() {
   4                 $id = $this->elem->getElementsByTagName("id")->item(0);
   5
   6                 if ($id) {
   7                         return $id->nodeValue;
   8                 } else {
   9                         return $this->get_link();
  10                 }
  11         }
  12
  13         function get_date() {
  14                 $updated = $this->elem->getElementsByTagName("updated")->item(0);
  15
  16                 if ($updated) {
  17                         return strtotime($updated->nodeValue);
  18                 }
  19         }
  20
  21         function get_link() {
  22                 $links = $this->elem->getElementsByTagName("link");
  23
  24                 foreach ($links as $link) {
  25                         if ($link && $link->hasAttribute("href") && !$link->hasAttribute("rel")) {
  26                                 return $link->getAttribute("href");
  27                         }
  28                 }
  29         }
  30
  31         function get_title() {
  32                 $title = $this->elem->getElementsByTagName("title")->item(0);
  33
  34                 if ($title) {
  35                         return $title->nodeValue;
  36                 }
  37         }
  38
  39         function get_content() {
  40                 $content = $this->elem->getElementsByTagName("content")->item(0);
  41
  42                 if ($content) {
  43                         return $content->nodeValue;
  44                 }
  45         }
  46
  47         function get_description() {
  48                 $summary = $this->elem->getElementsByTagName("summary")->item(0);
  49
  50                 if ($summary) {
  51                         return $summary->nodeValue;
  52                 }
  53         }
  54
  55         function get_categories() {
  56                 $categories = $this->elem->getElementsByTagName("category");
  57                 $cats = array();
  58
  59                 foreach ($categories as $cat) {
  60                         if ($cat->hasAttribute("term"))
  61                                 array_push($cats, $cat->getAttribute("term"));
  62                 }
  63
  64                 $categories = $this->xpath->query("dc:subject", $this->elem);
  65
  66                 foreach ($categories as $cat) {
  67                         array_push($cats, $cat->nodeValue);
  68                 }
  69
  70                 return $cats;
  71         }
  72
  73         function get_enclosures() {
  74                 $links = $this->elem->getElementsByTagName("link");
  75
  76                 $encs = array();
  77
  78                 foreach ($links as $link) {
  79                         if ($link && $link->hasAttribute("href") && $link->hasAttribute("rel")) {
  80                                 if ($link->getAttribute("rel") == "enclosure") {
  81                                         $enc = new FeedEnclosure();
  82
  83                                         $enc->type = $link->getAttribute("type");
  84                                         $enc->link = $link->getAttribute("href");
  85                                         $enc->length = $link->getAttribute("length");
  86
  87                                         array_push($encs, $enc);
  88                                 }
  89                         }
  90                 }
  91
  92                 $enclosures = $this->xpath->query("media:content", $this->elem);
  93
  94                 foreach ($enclosures as $enclosure) {
  95                         $enc = new FeedEnclosure();
  96
  97                         $enc->type = $enclosure->getAttribute("type");
  98                         $enc->link = $enclosure->getAttribute("url");
  99                         $enc->length = $enclosure->getAttribute("length");
 100
 101                         array_push($encs, $enc);
 102                 }
 103
 104                 return $encs;
 105         }
 106
 107 }
 108 ?>