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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_Amf
* @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: Response.php 18951 2009-11-12 16:26:19Z alexander $
*/
/** Zend_Amf_Constants */
require_once 'Zend/Amf/Constants.php';
/** Zend_Amf_Parse_OutputStream */
require_once 'Zend/Amf/Parse/OutputStream.php';
/** Zend_Amf_Parse_Amf0_Serializer */
require_once 'Zend/Amf/Parse/Amf0/Serializer.php';
/**
* Handles converting the PHP object ready for response back into AMF
*
* @package Zend_Amf
* @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_Amf_Response
{
/**
* @var int Object encoding for response
*/
protected $_objectEncoding = 0;
/**
* Array of Zend_Amf_Value_MessageBody objects
* @var array
*/
protected $_bodies = array();
/**
* Array of Zend_Amf_Value_MessageHeader objects
* @var array
*/
protected $_headers = array();
/**
* @var Zend_Amf_Parse_OutputStream
*/
protected $_outputStream;
/**
* Instantiate new output stream and start serialization
*
* @return Zend_Amf_Response
*/
public function finalize()
{
$this->_outputStream = new Zend_Amf_Parse_OutputStream();
$this->writeMessage($this->_outputStream);
return $this;
}
/**
* Serialize the PHP data types back into Actionscript and
* create and AMF stream.
*
* @param Zend_Amf_Parse_OutputStream $stream
* @return Zend_Amf_Response
*/
public function writeMessage(Zend_Amf_Parse_OutputStream $stream)
{
$objectEncoding = $this->_objectEncoding;
//Write encoding to start of stream. Preamble byte is written of two byte Unsigned Short
$stream->writeByte(0x00);
$stream->writeByte($objectEncoding);
// Loop through the AMF Headers that need to be returned.
$headerCount = count($this->_headers);
$stream->writeInt($headerCount);
foreach ($this->getAmfHeaders() as $header) {
$serializer = new Zend_Amf_Parse_Amf0_Serializer($stream);
$stream->writeUTF($header->name);
$stream->writeByte($header->mustRead);
$stream->writeLong(Zend_Amf_Constants::UNKNOWN_CONTENT_LENGTH);
$serializer->writeTypeMarker($header->data);
}
// loop through the AMF bodies that need to be returned.
$bodyCount = count($this->_bodies);
$stream->writeInt($bodyCount);
foreach ($this->_bodies as $body) {
$serializer = new Zend_Amf_Parse_Amf0_Serializer($stream);
$stream->writeUTF($body->getTargetURI());
$stream->writeUTF($body->getResponseURI());
$stream->writeLong(Zend_Amf_Constants::UNKNOWN_CONTENT_LENGTH);
if($this->_objectEncoding == Zend_Amf_Constants::AMF0_OBJECT_ENCODING) {
$serializer->writeTypeMarker($body->getData());
} else {
// Content is AMF3
$serializer->writeTypeMarker($body->getData(),Zend_Amf_Constants::AMF0_AMF3);
}
}
return $this;
}
/**
* Return the output stream content
*
* @return string The contents of the output stream
*/
public function getResponse()
{
return $this->_outputStream->getStream();
}
/**
* Return the output stream content
*
* @return string
*/
public function __toString()
{
return $this->getResponse();
}
/**
* Add an AMF body to be sent to the Flash Player
*
* @param Zend_Amf_Value_MessageBody $body
* @return Zend_Amf_Response
*/
public function addAmfBody(Zend_Amf_Value_MessageBody $body)
{
$this->_bodies[] = $body;
return $this;
}
/**
* Return an array of AMF bodies to be serialized
*
* @return array
*/
public function getAmfBodies()
{
return $this->_bodies;
}
/**
* Add an AMF Header to be sent back to the flash player
*
* @param Zend_Amf_Value_MessageHeader $header
* @return Zend_Amf_Response
*/
public function addAmfHeader(Zend_Amf_Value_MessageHeader $header)
{
$this->_headers[] = $header;
return $this;
}
/**
* Retrieve attached AMF message headers
*
* @return array Array of Zend_Amf_Value_MessageHeader objects
*/
public function getAmfHeaders()
{
return $this->_headers;
}
/**
* Set the AMF encoding that will be used for serialization
*
* @param int $encoding
* @return Zend_Amf_Response
*/
public function setObjectEncoding($encoding)
{
$this->_objectEncoding = $encoding;
return $this;
}
}
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