gnu-social/plugins/LRDD/extlib/XML/XRD/Serializer/JSON.php

95 lines
2.5 KiB
PHP
Raw Normal View History

<?php
/**
* Part of XML_XRD
*
* PHP version 5
*
* @category XML
* @package XML_XRD
* @author Christian Weiske <cweiske@php.net>
* @license http://www.gnu.org/copyleft/lesser.html LGPL
* @link http://pear.php.net/package/XML_XRD
*/
/**
* Generate JSON from a XML_XRD object (for JRD files).
*
* @category XML
* @package XML_XRD
* @author Christian Weiske <cweiske@php.net>
* @license http://www.gnu.org/copyleft/lesser.html LGPL
* @version Release: @package_version@
* @link http://pear.php.net/package/XML_XRD
* @link http://tools.ietf.org/html/rfc6415#appendix-A
*/
class XML_XRD_Serializer_JSON
{
protected $xrd;
/**
* Create new instance
*
* @param XML_XRD $xrd XRD instance to convert to JSON
*/
public function __construct(XML_XRD $xrd)
{
$this->xrd = $xrd;
}
/**
* Generate JSON.
*
* @return string JSON code
*/
public function __toString()
{
$o = new stdClass();
if ($this->xrd->expires !== null) {
$o->expires = gmdate('Y-m-d\TH:i:s\Z', $this->xrd->expires);
}
if ($this->xrd->subject !== null) {
$o->subject = $this->xrd->subject;
}
foreach ($this->xrd->aliases as $alias) {
$o->aliases[] = $alias;
}
foreach ($this->xrd->properties as $property) {
$o->properties[$property->type] = $property->value;
}
$o->links = array();
foreach ($this->xrd->links as $link) {
$lid = count($o->links);
$o->links[$lid] = new stdClass();
if ($link->rel) {
$o->links[$lid]->rel = $link->rel;
}
if ($link->type) {
$o->links[$lid]->type = $link->type;
}
if ($link->href) {
$o->links[$lid]->href = $link->href;
}
if ($link->template !== null && $link->href === null) {
$o->links[$lid]->template = $link->template;
}
foreach ($link->titles as $lang => $value) {
if ($lang == null) {
$lang = 'default';
}
$o->links[$lid]->titles[$lang] = $value;
}
foreach ($link->properties as $property) {
$o->links[$lid]->properties[$property->type] = $property->value;
}
}
if (count($o->links) == 0) {
unset($o->links);
}
return json_encode($o);
}
}
?>