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<?php
/**
* Copyright 2012-2014 Rackspace US, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace OpenCloud\Image\Resource\Schema;
use OpenCloud\Image\Enum\OperationType;
use OpenCloud\Image\Enum\Schema as SchemaEnum;
/**
* Class that represents a JSON schema document
*
* @package OpenCloud\Images\Resource\Schema
*/
class Schema extends AbstractSchemaItem
{
/** @var string Name of schema */
protected $name;
/** @var array Properties that this schema possesses */
protected $properties;
/**
* If set, this determines the template that all additional (i.e. undefined) properties must adhere to
*
* @var null|Property
*/
protected $additionalProperties;
/** @var array Links for this schema */
protected $links;
/**
* @param array $data
* @return Schema
*/
public static function factory(array $data)
{
$schema = new self();
$schema->setName(self::stockProperty($data, SchemaEnum::NAME));
if (isset($data[SchemaEnum::LINKS])) {
$schema->setLinks($data[SchemaEnum::LINKS]);
}
if (isset($data[SchemaEnum::PROPERTIES])) {
$schema->setProperties($data[SchemaEnum::PROPERTIES]);
}
if (isset($data[SchemaEnum::ADDITIONAL_PROPERTIES])) {
$schema->setAdditionalProperties($data[SchemaEnum::ADDITIONAL_PROPERTIES]);
}
return $schema;
}
/**
* @param string $name
*/
public function setName($name)
{
$this->name = $name;
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @param array $properties
*/
public function setProperties(array $properties)
{
foreach ($properties as $name => $array) {
$array[SchemaEnum::NAME] = $name;
$this->properties[$name] = Property::factory($array);
}
}
/**
* @return array
*/
public function getProperties()
{
return $this->properties;
}
/**
* @param array $properties
*/
public function setAdditionalProperties(array $properties)
{
$this->additionalProperties = $properties;
}
/**
* @return bool|Property
*/
public function getAdditionalProperties()
{
if (!empty($this->additionalProperties)) {
return Property::factory($this->additionalProperties);
}
return false;
}
/**
* @param array $links
*/
public function setLinks(array $links)
{
$this->links = $links;
}
/**
* @return array
*/
public function getLinks()
{
return $this->links;
}
/**
* Check whether a property exists
*
* @param $property The name of the property
* @return bool
*/
public function propertyExists($property)
{
return isset($this->properties[$property]);
}
/**
* Retrieve a property
*
* @param $property The name of the property
* @return null|Property
*/
public function getProperty($property)
{
return $this->propertyExists($property) ? $this->properties[$property] : null;
}
/**
* Based on this schema, decide the most appropriate operation type for a given property
*
* @param Property $property The property being performed on
* @return string
*/
public function decideOperationType(Property $property)
{
$name = $property->getName();
return ($this->propertyExists($name)) ? OperationType::REPLACE : OperationType::ADD;
}
/**
* Check whether an additional property is allowed and its type is valid
*
* @param $value The value trying to be set
* @return bool|Property
*/
public function validateAdditionalProperty($value)
{
if ($property = $this->getAdditionalProperties()) {
$property->setValue($value);
return ($property->validate() === true) ? $property : false;
}
return false;
}
}