silverstripe-framework/api/XMLDataFormatter.php

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<?php
class XMLDataFormatter extends DataFormatter {
/**
* @todo pass this from the API to the data formatter somehow
*/
static $api_base = "api/v1/";
public function supportedExtensions() {
return array('xml');
}
/**
* Generate an XML representation of the given {@link DataObject}.
*
* @param DataObject $obj
* @param $includeHeader Include <?xml ...?> header (Default: true)
* @return String XML
*/
public function convertDataObject(DataObjectInterface $obj) {
Controller::curr()->getResponse()->addHeader("Content-type", "text/xml");
return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . $this->convertDataObjectWithoutHeader($obj);
}
public function convertDataObjectWithoutHeader(DataObject $obj) {
$className = $obj->class;
$id = $obj->ID;
$objHref = Director::absoluteURL(self::$api_base . "$obj->class/$obj->ID");
$json = "<$className href=\"$objHref.xml\">\n";
foreach($this->getFieldsForObj($obj) as $fieldName => $fieldType) {
$fieldValue = $obj->$fieldName;
if(is_object($fieldValue) && is_subclass_of($fieldValue, 'Object') && $fieldValue->hasMethod('toXML')) {
$json .= $fieldValue->toXML();
} else {
$json .= "<$fieldName>" . Convert::raw2xml($fieldValue) . "</$fieldName>\n";
}
}
if($this->relationDepth > 0) {
foreach($obj->has_one() as $relName => $relClass) {
$fieldName = $relName . 'ID';
if($obj->$fieldName) {
$href = Director::absoluteURL(self::$api_base . "$relClass/" . $obj->$fieldName);
} else {
$href = Director::absoluteURL(self::$api_base . "$className/$id/$relName");
}
$json .= "<$relName linktype=\"has_one\" href=\"$href.xml\" id=\"{$obj->$fieldName}\" />\n";
}
foreach($obj->has_many() as $relName => $relClass) {
$json .= "<$relName linktype=\"has_many\" href=\"$objHref/$relName.xml\">\n";
$items = $obj->$relName();
foreach($items as $item) {
//$href = Director::absoluteURL(self::$api_base . "$className/$id/$relName/$item->ID");
$href = Director::absoluteURL(self::$api_base . "$relClass/$item->ID");
$json .= "<$relClass href=\"$href.xml\" id=\"{$item->ID}\" />\n";
}
$json .= "</$relName>\n";
}
foreach($obj->many_many() as $relName => $relClass) {
$json .= "<$relName linktype=\"many_many\" href=\"$objHref/$relName.xml\">\n";
$items = $obj->$relName();
foreach($items as $item) {
$href = Director::absoluteURL(self::$api_base . "$relClass/$item->ID");
$json .= "<$relClass href=\"$href.xml\" id=\"{$item->ID}\" />\n";
}
$json .= "</$relName>\n";
}
}
$json .= "</$className>";
return $json;
}
/**
* Generate an XML representation of the given {@link DataObjectSet}.
*
* @param DataObjectSet $set
* @return String XML
*/
public function convertDataObjectSet(DataObjectSet $set) {
Controller::curr()->getResponse()->addHeader("Content-type", "text/xml");
$className = $set->class;
$xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<$className>\n";
foreach($set as $item) {
if($item->canView()) $xml .= $this->convertDataObjectWithoutHeader($item);
}
$xml .= "</$className>";
return $xml;
}
}