silverstripe-framework/api/XMLDataFormatter.php

152 lines
4.8 KiB
PHP

<?php
/**
* @package sapphire
* @subpackage formatters
*/
class XMLDataFormatter extends DataFormatter {
/**
* @todo pass this from the API to the data formatter somehow
*/
static $api_base = "api/v1/";
protected $outputContentType = 'text/xml';
public function supportedExtensions() {
return array(
'xml'
);
}
public function supportedMimeTypes() {
return array(
'text/xml',
'application/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, $fields = null) {
$response = Controller::curr()->getResponse();
if($response) {
$response->addHeader("Content-Type", "text/xml");
}
return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" . $this->convertDataObjectWithoutHeader($obj, $fields);
}
public function convertDataObjectWithoutHeader(DataObject $obj, $fields = null, $relations = null) {
$className = $obj->class;
$id = $obj->ID;
$objHref = Director::absoluteURL(self::$api_base . "$obj->class/$obj->ID");
$xml = "<$className href=\"$objHref.xml\">\n";
foreach($this->getFieldsForObj($obj) as $fieldName => $fieldType) {
// Field filtering
if($fields && !in_array($fieldName, $fields)) continue;
$fieldValue = $obj->$fieldName;
if(!mb_check_encoding($fieldValue,'utf-8')) $fieldValue = "(data is badly encoded)";
if(is_object($fieldValue) && is_subclass_of($fieldValue, 'Object') && $fieldValue->hasMethod('toXML')) {
$xml .= $fieldValue->toXML();
} else {
if('HTMLText' == $fieldType) {
// Escape HTML values using CDATA
$fieldValue = sprintf('<![CDATA[%s]]>', str_replace(']]>', ']]]]><![CDATA[>', $fieldValue));
} else {
$fieldValue = Convert::raw2xml($fieldValue);
}
$xml .= "<$fieldName>$fieldValue</$fieldName>\n";
}
}
if($this->relationDepth > 0) {
foreach($obj->has_one() as $relName => $relClass) {
if(!singleton($relClass)->stat('api_access')) continue;
// Field filtering
if($fields && !in_array($relName, $fields)) continue;
if($this->customRelations && !in_array($relName, $this->customRelations)) continue;
$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");
}
$xml .= "<$relName linktype=\"has_one\" href=\"$href.xml\" id=\"" . $obj->$fieldName . "\"></$relName>\n";
}
foreach($obj->has_many() as $relName => $relClass) {
if(!singleton($relClass)->stat('api_access')) continue;
// Field filtering
if($fields && !in_array($relName, $fields)) continue;
if($this->customRelations && !in_array($relName, $this->customRelations)) continue;
$xml .= "<$relName linktype=\"has_many\" href=\"$objHref/$relName.xml\">\n";
$items = $obj->$relName();
if ($items) {
foreach($items as $item) {
//$href = Director::absoluteURL(self::$api_base . "$className/$id/$relName/$item->ID");
$href = Director::absoluteURL(self::$api_base . "$relClass/$item->ID");
$xml .= "<$relClass href=\"$href.xml\" id=\"{$item->ID}\"></$relClass>\n";
}
}
$xml .= "</$relName>\n";
}
foreach($obj->many_many() as $relName => $relClass) {
if(!singleton($relClass)->stat('api_access')) continue;
// Field filtering
if($fields && !in_array($relName, $fields)) continue;
if($this->customRelations && !in_array($relName, $this->customRelations)) continue;
$xml .= "<$relName linktype=\"many_many\" href=\"$objHref/$relName.xml\">\n";
$items = $obj->$relName();
if ($items) {
foreach($items as $item) {
$href = Director::absoluteURL(self::$api_base . "$relClass/$item->ID");
$xml .= "<$relClass href=\"$href.xml\" id=\"{$item->ID}\"></$relClass>\n";
}
}
$xml .= "</$relName>\n";
}
}
$xml .= "</$className>";
return $xml;
}
/**
* Generate an XML representation of the given {@link DataObjectSet}.
*
* @param DataObjectSet $set
* @return String XML
*/
public function convertDataObjectSet(SS_List $set, $fields = null) {
Controller::curr()->getResponse()->addHeader("Content-Type", "text/xml");
$className = $set->class;
$xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
$xml .= (is_numeric($this->totalSize)) ? "<$className totalSize=\"{$this->totalSize}\">\n" : "<$className>\n";
foreach($set as $item) {
if($item->canView()) $xml .= $this->convertDataObjectWithoutHeader($item, $fields);
}
$xml .= "</$className>";
return $xml;
}
public function convertStringToArray($strData) {
return Convert::xml2array($strData);
}
}