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<?php
namespace Guzzle\Service\Description;
use Guzzle\Common\Exception\InvalidArgumentException;
/**
* API parameter object used with service descriptions
*/
class Parameter
{
protected $name;
protected $description;
protected $serviceDescription;
protected $type;
protected $required;
protected $enum;
protected $pattern;
protected $minimum;
protected $maximum;
protected $minLength;
protected $maxLength;
protected $minItems;
protected $maxItems;
protected $default;
protected $static;
protected $instanceOf;
protected $filters;
protected $location;
protected $sentAs;
protected $data;
protected $properties = array();
protected $additionalProperties;
protected $items;
protected $parent;
protected $ref;
protected $format;
protected $propertiesCache = null;
/**
* Create a new Parameter using an associative array of data. The array can contain the following information:
* - name: (string) Unique name of the parameter
* - type: (string|array) Type of variable (string, number, integer, boolean, object, array, numeric,
* null, any). Types are using for validation and determining the structure of a parameter. You
* can use a union type by providing an array of simple types. If one of the union types matches
* the provided value, then the value is valid.
* - instanceOf: (string) When the type is an object, you can specify the class that the object must implement
* - required: (bool) Whether or not the parameter is required
* - default: (mixed) Default value to use if no value is supplied
* - static: (bool) Set to true to specify that the parameter value cannot be changed from the default
* - description: (string) Documentation of the parameter
* - location: (string) The location of a request used to apply a parameter. Custom locations can be registered
* with a command, but the defaults are uri, query, header, body, json, xml, postField, postFile.
* - sentAs: (string) Specifies how the data being modeled is sent over the wire. For example, you may wish
* to include certain headers in a response model that have a normalized casing of FooBar, but the
* actual header is x-foo-bar. In this case, sentAs would be set to x-foo-bar.
* - filters: (array) Array of static method names to to run a parameter value through. Each value in the
* array must be a string containing the full class path to a static method or an array of complex
* filter information. You can specify static methods of classes using the full namespace class
* name followed by '::' (e.g. Foo\Bar::baz()). Some filters require arguments in order to properly
* filter a value. For complex filters, use a hash containing a 'method' key pointing to a static
* method, and an 'args' key containing an array of positional arguments to pass to the method.
* Arguments can contain keywords that are replaced when filtering a value: '@value' is replaced
* with the value being validated, '@api' is replaced with the Parameter object.
* - properties: When the type is an object, you can specify nested parameters
* - additionalProperties: (array) This attribute defines a schema for all properties that are not explicitly
* defined in an object type definition. If specified, the value MUST be a schema or a boolean. If
* false is provided, no additional properties are allowed beyond the properties defined in the
* schema. The default value is an empty schema which allows any value for additional properties.
* - items: This attribute defines the allowed items in an instance array, and MUST be a schema or an array
* of schemas. The default value is an empty schema which allows any value for items in the
* instance array.
* When this attribute value is a schema and the instance value is an array, then all the items
* in the array MUST be valid according to the schema.
* - pattern: When the type is a string, you can specify the regex pattern that a value must match
* - enum: When the type is a string, you can specify a list of acceptable values
* - minItems: (int) Minimum number of items allowed in an array
* - maxItems: (int) Maximum number of items allowed in an array
* - minLength: (int) Minimum length of a string
* - maxLength: (int) Maximum length of a string
* - minimum: (int) Minimum value of an integer
* - maximum: (int) Maximum value of an integer
* - data: (array) Any additional custom data to use when serializing, validating, etc
* - format: (string) Format used to coax a value into the correct format when serializing or unserializing.
* You may specify either an array of filters OR a format, but not both.
* Supported values: date-time, date, time, timestamp, date-time-http
* - $ref: (string) String referencing a service description model. The parameter is replaced by the
* schema contained in the model.
*
* @param array $data Array of data as seen in service descriptions
* @param ServiceDescriptionInterface $description Service description used to resolve models if $ref tags are found
*
* @throws InvalidArgumentException
*/
public function __construct(array $data = array(), ServiceDescriptionInterface $description = null)
{
if ($description) {
if (isset($data['$ref'])) {
if ($model = $description->getModel($data['$ref'])) {
$data = $model->toArray() + $data;
}
} elseif (isset($data['extends'])) {
// If this parameter extends from another parameter then start with the actual data
// union in the parent's data (e.g. actual supersedes parent)
if ($extends = $description->getModel($data['extends'])) {
$data += $extends->toArray();
}
}
}
// Pull configuration data into the parameter
foreach ($data as $key => $value) {
$this->{$key} = $value;
}
$this->serviceDescription = $description;
$this->required = (bool) $this->required;
$this->data = (array) $this->data;
if ($this->filters) {
$this->setFilters((array) $this->filters);
}
if ($this->type == 'object' && $this->additionalProperties === null) {
$this->additionalProperties = true;
}
}
/**
* Convert the object to an array
*
* @return array
*/
public function toArray()
{
static $checks = array('required', 'description', 'static', 'type', 'format', 'instanceOf', 'location', 'sentAs',
'pattern', 'minimum', 'maximum', 'minItems', 'maxItems', 'minLength', 'maxLength', 'data', 'enum',
'filters');
$result = array();
// Anything that is in the `Items` attribute of an array *must* include it's name if available
if ($this->parent instanceof self && $this->parent->getType() == 'array' && isset($this->name)) {
$result['name'] = $this->name;
}
foreach ($checks as $c) {
if ($value = $this->{$c}) {
$result[$c] = $value;
}
}
if ($this->default !== null) {
$result['default'] = $this->default;
}
if ($this->items !== null) {
$result['items'] = $this->getItems()->toArray();
}
if ($this->additionalProperties !== null) {
$result['additionalProperties'] = $this->getAdditionalProperties();
if ($result['additionalProperties'] instanceof self) {
$result['additionalProperties'] = $result['additionalProperties']->toArray();
}
}
if ($this->type == 'object' && $this->properties) {
$result['properties'] = array();
foreach ($this->getProperties() as $name => $property) {
$result['properties'][$name] = $property->toArray();
}
}
return $result;
}
/**
* Get the default or static value of the command based on a value
*
* @param string $value Value that is currently set
*
* @return mixed Returns the value, a static value if one is present, or a default value
*/
public function getValue($value)
{
if ($this->static || ($this->default !== null && $value === null)) {
return $this->default;
}
return $value;
}
/**
* Run a value through the filters OR format attribute associated with the parameter
*
* @param mixed $value Value to filter
*
* @return mixed Returns the filtered value
*/
public function filter($value)
{
// Formats are applied exclusively and supersed filters
if ($this->format) {
return SchemaFormatter::format($this->format, $value);
}
// Convert Boolean values
if ($this->type == 'boolean' && !is_bool($value)) {
$value = filter_var($value, FILTER_VALIDATE_BOOLEAN);
}
// Apply filters to the value
if ($this->filters) {
foreach ($this->filters as $filter) {
if (is_array($filter)) {
// Convert complex filters that hold value place holders
foreach ($filter['args'] as &$data) {
if ($data == '@value') {
$data = $value;
} elseif ($data == '@api') {
$data = $this;
}
}
$value = call_user_func_array($filter['method'], $filter['args']);
} else {
$value = call_user_func($filter, $value);
}
}
}
return $value;
}
/**
* Get the name of the parameter
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Get the key of the parameter, where sentAs will supersede name if it is set
*
* @return string
*/
public function getWireName()
{
return $this->sentAs ?: $this->name;
}
/**
* Set the name of the parameter
*
* @param string $name Name to set
*
* @return self
*/
public function setName($name)
{
$this->name = $name;
return $this;
}
/**
* Get the type(s) of the parameter
*
* @return string|array
*/
public function getType()
{
return $this->type;
}
/**
* Set the type(s) of the parameter
*
* @param string|array $type Type of parameter or array of simple types used in a union
*
* @return self
*/
public function setType($type)
{
$this->type = $type;
return $this;
}
/**
* Get if the parameter is required
*
* @return bool
*/
public function getRequired()
{
return $this->required;
}
/**
* Set if the parameter is required
*
* @param bool $isRequired Whether or not the parameter is required
*
* @return self
*/
public function setRequired($isRequired)
{
$this->required = (bool) $isRequired;
return $this;
}
/**
* Get the default value of the parameter
*
* @return string|null
*/
public function getDefault()
{
return $this->default;
}
/**
* Set the default value of the parameter
*
* @param string|null $default Default value to set
*
* @return self
*/
public function setDefault($default)
{
$this->default = $default;
return $this;
}
/**
* Get the description of the parameter
*
* @return string|null
*/
public function getDescription()
{
return $this->description;
}
/**
* Set the description of the parameter
*
* @param string $description Description
*
* @return self
*/
public function setDescription($description)
{
$this->description = $description;
return $this;
}
/**
* Get the minimum acceptable value for an integer
*
* @return int|null
*/
public function getMinimum()
{
return $this->minimum;
}
/**
* Set the minimum acceptable value for an integer
*
* @param int|null $min Minimum
*
* @return self
*/
public function setMinimum($min)
{
$this->minimum = $min;
return $this;
}
/**
* Get the maximum acceptable value for an integer
*
* @return int|null
*/
public function getMaximum()
{
return $this->maximum;
}
/**
* Set the maximum acceptable value for an integer
*
* @param int $max Maximum
*
* @return self
*/
public function setMaximum($max)
{
$this->maximum = $max;
return $this;
}
/**
* Get the minimum allowed length of a string value
*
* @return int
*/
public function getMinLength()
{
return $this->minLength;
}
/**
* Set the minimum allowed length of a string value
*
* @param int|null $min Minimum
*
* @return self
*/
public function setMinLength($min)
{
$this->minLength = $min;
return $this;
}
/**
* Get the maximum allowed length of a string value
*
* @return int|null
*/
public function getMaxLength()
{
return $this->maxLength;
}
/**
* Set the maximum allowed length of a string value
*
* @param int $max Maximum length
*
* @return self
*/
public function setMaxLength($max)
{
$this->maxLength = $max;
return $this;
}
/**
* Get the maximum allowed number of items in an array value
*
* @return int|null
*/
public function getMaxItems()
{
return $this->maxItems;
}
/**
* Set the maximum allowed number of items in an array value
*
* @param int $max Maximum
*
* @return self
*/
public function setMaxItems($max)
{
$this->maxItems = $max;
return $this;
}
/**
* Get the minimum allowed number of items in an array value
*
* @return int
*/
public function getMinItems()
{
return $this->minItems;
}
/**
* Set the minimum allowed number of items in an array value
*
* @param int|null $min Minimum
*
* @return self
*/
public function setMinItems($min)
{
$this->minItems = $min;
return $this;
}
/**
* Get the location of the parameter
*
* @return string|null
*/
public function getLocation()
{
return $this->location;
}
/**
* Set the location of the parameter
*
* @param string|null $location Location of the parameter
*
* @return self
*/
public function setLocation($location)
{
$this->location = $location;
return $this;
}
/**
* Get the sentAs attribute of the parameter that used with locations to sentAs an attribute when it is being
* applied to a location.
*
* @return string|null
*/
public function getSentAs()
{
return $this->sentAs;
}
/**
* Set the sentAs attribute
*
* @param string|null $name Name of the value as it is sent over the wire
*
* @return self
*/
public function setSentAs($name)
{
$this->sentAs = $name;
return $this;
}
/**
* Retrieve a known property from the parameter by name or a data property by name. When not specific name value
* is specified, all data properties will be returned.
*
* @param string|null $name Specify a particular property name to retrieve
*
* @return array|mixed|null
*/
public function getData($name = null)
{
if (!$name) {
return $this->data;
}
if (isset($this->data[$name])) {
return $this->data[$name];
} elseif (isset($this->{$name})) {
return $this->{$name};
}
return null;
}
/**
* Set the extra data properties of the parameter or set a specific extra property
*
* @param string|array|null $nameOrData The name of a specific extra to set or an array of extras to set
* @param mixed|null $data When setting a specific extra property, specify the data to set for it
*
* @return self
*/
public function setData($nameOrData, $data = null)
{
if (is_array($nameOrData)) {
$this->data = $nameOrData;
} else {
$this->data[$nameOrData] = $data;
}
return $this;
}
/**
* Get whether or not the default value can be changed
*
* @return mixed|null
*/
public function getStatic()
{
return $this->static;
}
/**
* Set to true if the default value cannot be changed
*
* @param bool $static True or false
*
* @return self
*/
public function setStatic($static)
{
$this->static = (bool) $static;
return $this;
}
/**
* Get an array of filters used by the parameter
*
* @return array
*/
public function getFilters()
{
return $this->filters ?: array();
}
/**
* Set the array of filters used by the parameter
*
* @param array $filters Array of functions to use as filters
*
* @return self
*/
public function setFilters(array $filters)
{
$this->filters = array();
foreach ($filters as $filter) {
$this->addFilter($filter);
}
return $this;
}
/**
* Add a filter to the parameter
*
* @param string|array $filter Method to filter the value through
*
* @return self
* @throws InvalidArgumentException
*/
public function addFilter($filter)
{
if (is_array($filter)) {
if (!isset($filter['method'])) {
throw new InvalidArgumentException('A [method] value must be specified for each complex filter');
}
}
if (!$this->filters) {
$this->filters = array($filter);
} else {
$this->filters[] = $filter;
}
return $this;
}
/**
* Get the parent object (an {@see OperationInterface} or {@see Parameter}
*
* @return OperationInterface|Parameter|null
*/
public function getParent()
{
return $this->parent;
}
/**
* Set the parent object of the parameter
*
* @param OperationInterface|Parameter|null $parent Parent container of the parameter
*
* @return self
*/
public function setParent($parent)
{
$this->parent = $parent;
return $this;
}
/**
* Get the properties of the parameter
*
* @return array
*/
public function getProperties()
{
if (!$this->propertiesCache) {
$this->propertiesCache = array();
foreach (array_keys($this->properties) as $name) {
$this->propertiesCache[$name] = $this->getProperty($name);
}
}
return $this->propertiesCache;
}
/**
* Get a specific property from the parameter
*
* @param string $name Name of the property to retrieve
*
* @return null|Parameter
*/
public function getProperty($name)
{
if (!isset($this->properties[$name])) {
return null;
}
if (!($this->properties[$name] instanceof self)) {
$this->properties[$name]['name'] = $name;
$this->properties[$name] = new static($this->properties[$name], $this->serviceDescription);
$this->properties[$name]->setParent($this);
}
return $this->properties[$name];
}
/**
* Remove a property from the parameter
*
* @param string $name Name of the property to remove
*
* @return self
*/
public function removeProperty($name)
{
unset($this->properties[$name]);
$this->propertiesCache = null;
return $this;
}
/**
* Add a property to the parameter
*
* @param Parameter $property Properties to set
*
* @return self
*/
public function addProperty(Parameter $property)
{
$this->properties[$property->getName()] = $property;
$property->setParent($this);
$this->propertiesCache = null;
return $this;
}
/**
* Get the additionalProperties value of the parameter
*
* @return bool|Parameter|null
*/
public function getAdditionalProperties()
{
if (is_array($this->additionalProperties)) {
$this->additionalProperties = new static($this->additionalProperties, $this->serviceDescription);
$this->additionalProperties->setParent($this);
}
return $this->additionalProperties;
}
/**
* Set the additionalProperties value of the parameter
*
* @param bool|Parameter|null $additional Boolean to allow any, an Parameter to specify a schema, or false to disallow
*
* @return self
*/
public function setAdditionalProperties($additional)
{
$this->additionalProperties = $additional;
return $this;
}
/**
* Set the items data of the parameter
*
* @param Parameter|null $items Items to set
*
* @return self
*/
public function setItems(Parameter $items = null)
{
if ($this->items = $items) {
$this->items->setParent($this);
}
return $this;
}
/**
* Get the item data of the parameter
*
* @return Parameter|null
*/
public function getItems()
{
if (is_array($this->items)) {
$this->items = new static($this->items, $this->serviceDescription);
$this->items->setParent($this);
}
return $this->items;
}
/**
* Get the class that the parameter must implement
*
* @return null|string
*/
public function getInstanceOf()
{
return $this->instanceOf;
}
/**
* Set the class that the parameter must be an instance of
*
* @param string|null $instanceOf Class or interface name
*
* @return self
*/
public function setInstanceOf($instanceOf)
{
$this->instanceOf = $instanceOf;
return $this;
}
/**
* Get the enum of strings that are valid for the parameter
*
* @return array|null
*/
public function getEnum()
{
return $this->enum;
}
/**
* Set the enum of strings that are valid for the parameter
*
* @param array|null $enum Array of strings or null
*
* @return self
*/
public function setEnum(array $enum = null)
{
$this->enum = $enum;
return $this;
}
/**
* Get the regex pattern that must match a value when the value is a string
*
* @return string
*/
public function getPattern()
{
return $this->pattern;
}
/**
* Set the regex pattern that must match a value when the value is a string
*
* @param string $pattern Regex pattern
*
* @return self
*/
public function setPattern($pattern)
{
$this->pattern = $pattern;
return $this;
}
/**
* Get the format attribute of the schema
*
* @return string
*/
public function getFormat()
{
return $this->format;
}
/**
* Set the format attribute of the schema
*
* @param string $format Format to set (e.g. date, date-time, timestamp, time, date-time-http)
*
* @return self
*/
public function setFormat($format)
{
$this->format = $format;
return $this;
}
}