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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Rest
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Client.php 18173 2009-09-17 15:35:05Z padraic $
*/
/** Zend_Service_Abstract */
require_once 'Zend/Service/Abstract.php';
/** Zend_Rest_Client_Result */
require_once 'Zend/Rest/Client/Result.php';
/** Zend_Uri */
require_once 'Zend/Uri.php';
/**
* @category Zend
* @package Zend_Rest
* @subpackage Client
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Rest_Client extends Zend_Service_Abstract
{
/**
* Data for the query
* @var array
*/
protected $_data = array();
/**
* Zend_Uri of this web service
* @var Zend_Uri_Http
*/
protected $_uri = null;
/**
* Constructor
*
* @param string|Zend_Uri_Http $uri URI for the web service
* @return void
*/
public function __construct($uri = null)
{
if (!empty($uri)) {
$this->setUri($uri);
}
}
/**
* Set the URI to use in the request
*
* @param string|Zend_Uri_Http $uri URI for the web service
* @return Zend_Rest_Client
*/
public function setUri($uri)
{
if ($uri instanceof Zend_Uri_Http) {
$this->_uri = $uri;
} else {
$this->_uri = Zend_Uri::factory($uri);
}
return $this;
}
/**
* Retrieve the current request URI object
*
* @return Zend_Uri_Http
*/
public function getUri()
{
return $this->_uri;
}
/**
* Call a remote REST web service URI and return the Zend_Http_Response object
*
* @param string $path The path to append to the URI
* @throws Zend_Rest_Client_Exception
* @return void
*/
final private function _prepareRest($path)
{
// Get the URI object and configure it
if (!$this->_uri instanceof Zend_Uri_Http) {
require_once 'Zend/Rest/Client/Exception.php';
throw new Zend_Rest_Client_Exception('URI object must be set before performing call');
}
$uri = $this->_uri->getUri();
if ($path[0] != '/' && $uri[strlen($uri)-1] != '/') {
$path = '/' . $path;
}
$this->_uri->setPath($path);
/**
* Get the HTTP client and configure it for the endpoint URI. Do this each time
* because the Zend_Http_Client instance is shared among all Zend_Service_Abstract subclasses.
*/
self::getHttpClient()->resetParameters()->setUri($this->_uri);
}
/**
* Performs an HTTP GET request to the $path.
*
* @param string $path
* @param array $query Array of GET parameters
* @throws Zend_Http_Client_Exception
* @return Zend_Http_Response
*/
final public function restGet($path, array $query = null)
{
$this->_prepareRest($path);
$client = self::getHttpClient();
$client->setParameterGet($query);
return $client->request('GET');
}
/**
* Perform a POST or PUT
*
* Performs a POST or PUT request. Any data provided is set in the HTTP
* client. String data is pushed in as raw POST data; array or object data
* is pushed in as POST parameters.
*
* @param mixed $method
* @param mixed $data
* @return Zend_Http_Response
*/
protected function _performPost($method, $data = null)
{
$client = self::getHttpClient();
if (is_string($data)) {
$client->setRawData($data);
} elseif (is_array($data) || is_object($data)) {
$client->setParameterPost((array) $data);
}
return $client->request($method);
}
/**
* Performs an HTTP POST request to $path.
*
* @param string $path
* @param mixed $data Raw data to send
* @throws Zend_Http_Client_Exception
* @return Zend_Http_Response
*/
final public function restPost($path, $data = null)
{
$this->_prepareRest($path);
return $this->_performPost('POST', $data);
}
/**
* Performs an HTTP PUT request to $path.
*
* @param string $path
* @param mixed $data Raw data to send in request
* @throws Zend_Http_Client_Exception
* @return Zend_Http_Response
*/
final public function restPut($path, $data = null)
{
$this->_prepareRest($path);
return $this->_performPost('PUT', $data);
}
/**
* Performs an HTTP DELETE request to $path.
*
* @param string $path
* @throws Zend_Http_Client_Exception
* @return Zend_Http_Response
*/
final public function restDelete($path)
{
$this->_prepareRest($path);
return self::getHttpClient()->request('DELETE');
}
/**
* Method call overload
*
* Allows calling REST actions as object methods; however, you must
* follow-up by chaining the request with a request to an HTTP request
* method (post, get, delete, put):
* <code>
* $response = $rest->sayHello('Foo', 'Manchu')->get();
* </code>
*
* Or use them together, but in sequential calls:
* <code>
* $rest->sayHello('Foo', 'Manchu');
* $response = $rest->get();
* </code>
*
* @param string $method Method name
* @param array $args Method args
* @return Zend_Rest_Client_Result|Zend_Rest_Client Zend_Rest_Client if using
* a remote method, Zend_Rest_Client_Result if using an HTTP request method
*/
public function __call($method, $args)
{
$methods = array('post', 'get', 'delete', 'put');
if (in_array(strtolower($method), $methods)) {
if (!isset($args[0])) {
$args[0] = $this->_uri->getPath();
}
$this->_data['rest'] = 1;
$data = array_slice($args, 1) + $this->_data;
$response = $this->{'rest' . $method}($args[0], $data);
$this->_data = array();//Initializes for next Rest method.
return new Zend_Rest_Client_Result($response->getBody());
} else {
// More than one arg means it's definitely a Zend_Rest_Server
if (sizeof($args) == 1) {
// Uses first called function name as method name
if (!isset($this->_data['method'])) {
$this->_data['method'] = $method;
$this->_data['arg1'] = $args[0];
}
$this->_data[$method] = $args[0];
} else {
$this->_data['method'] = $method;
if (sizeof($args) > 0) {
foreach ($args as $key => $arg) {
$key = 'arg' . $key;
$this->_data[$key] = $arg;
}
}
}
return $this;
}
}
}
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