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<?php

namespace PhpXmlRpc;

use PhpXmlRpc\Helper\Charset;

/**
 * This class provides the representation of the response of an XML-RPC server.
 * Server-side, a server method handler will construct a Response and pass it as its return value.
 * An identical Response object will be returned by the result of an invocation of the send() method of the Client class.
 */
class Response
{
    /// @todo: do these need to be public?
    public $val = 0;
    public $valtyp;
    public $errno = 0;
    public $errstr = '';
    public $payload;
    public $hdrs = array();
    public $_cookies = array();
    public $content_type = 'text/xml';
    public $raw_data = '';

/**
     * @param mixed $val either a Value object, a php value or the xml serialization of an xmlrpc value (a string)
     * @param integer $fCode set it to anything but 0 to create an error response. In that case, $val is discarded
     * @param string $fString the error string, in case of an error response
     * @param string $valType The type of $val passed in. Either 'xmlrpcvals', 'phpvals' or 'xml'. Leave empty to let
     *                        the code guess the correct type.
     *
     * @todo add check that $val / $fCode / $fString is of correct type???
     *       NB: as of now we do not do it, since it might be either an xmlrpc value or a plain php val, or a complete
     *       xml chunk, depending on usage of Client::send() inside which creator is called...
     */
    public function __construct($val, $fCode = 0, $fString = '', $valType = '')
    {
        if ($fCode != 0) {
            // error response
            $this->errno = $fCode;
            $this->errstr = $fString;
        } else {
            // successful response
            $this->val = $val;
            if ($valType == '') {
                // user did not declare type of response value: try to guess it
                if (is_object($this->val) && is_a($this->val, 'PhpXmlRpc\Value')) {
                    $this->valtyp = 'xmlrpcvals';
                } elseif (is_string($this->val)) {
                    $this->valtyp = 'xml';
                } else {
                    $this->valtyp = 'phpvals';
                }
            } else {
                // user declares type of resp value: believe him
                $this->valtyp = $valType;
            }
        }
    }

/**
     * Returns the error code of the response.
     *
     * @return integer the error code of this response (0 for not-error responses)
     */
    public function faultCode()
    {
        return $this->errno;
    }

/**
     * Returns the error code of the response.
     *
     * @return string the error string of this response ('' for not-error responses)
     */
    public function faultString()
    {
        return $this->errstr;
    }

/**
     * Returns the value received by the server. If the Response's faultCode is non-zero then the value returned by this
     * method should not be used (it may not even be an object).
     *
     * @return Value|string|mixed the Value object returned by the server. Might be an xml string or plain php value
     *                            depending on the convention adopted when creating the Response
     */
    public function value()
    {
        return $this->val;
    }

/**
     * Returns an array with the cookies received from the server.
     * Array has the form: $cookiename => array ('value' => $val, $attr1 => $val1, $attr2 => $val2, ...)
     * with attributes being e.g. 'expires', 'path', domain'.
     * NB: cookies sent as 'expired' by the server (i.e. with an expiry date in the past) are still present in the array.
     * It is up to the user-defined code to decide how to use the received cookies, and whether they have to be sent back
     * with the next request to the server (using Client::setCookie) or not.
     *
     * @return array array of cookies received from the server
     */
    public function cookies()
    {
        return $this->_cookies;
    }

/**
     * Returns xml representation of the response. XML prologue not included.
     *
     * @param string $charsetEncoding the charset to be used for serialization. If null, US-ASCII is assumed
     *
     * @return string the xml representation of the response
     *
     * @throws \Exception
     */
    public function serialize($charsetEncoding = '')
    {
        if ($charsetEncoding != '') {
            $this->content_type = 'text/xml; charset=' . $charsetEncoding;
        } else {
            $this->content_type = 'text/xml';
        }
        if (PhpXmlRpc::$xmlrpc_null_apache_encoding) {
            $result = "<methodResponse xmlns:ex=\"" . PhpXmlRpc::$xmlrpc_null_apache_encoding_ns . "\">\n";
        } else {
            $result = "<methodResponse>\n";
        }
        if ($this->errno) {
            // Let non-ASCII response messages be tolerated by clients by xml-encoding non ascii chars
            $result .= "<fault>\n" .
                "<value>\n<struct><member><name>faultCode</name>\n<value><int>" . $this->errno .
                "</int></value>\n</member>\n<member>\n<name>faultString</name>\n<value><string>" .
                Charset::instance()->encodeEntities($this->errstr, PhpXmlRpc::$xmlrpc_internalencoding, $charsetEncoding) . "</string></value>\n</member>\n" .
                "</struct>\n</value>\n</fault>";
        } else {
            if (!is_object($this->val) || !is_a($this->val, 'PhpXmlRpc\Value')) {
                if (is_string($this->val) && $this->valtyp == 'xml') {
                    $result .= "<params>\n<param>\n" .
                        $this->val .
                        "</param>\n</params>";
                } else {
                    /// @todo try to build something serializable?
                    throw new \Exception('cannot serialize xmlrpc response objects whose content is native php values');
                }
            } else {
                $result .= "<params>\n<param>\n" .
                    $this->val->serialize($charsetEncoding) .
                    "</param>\n</params>";
            }
        }
        $result .= "\n</methodResponse>";
        $this->payload = $result;

return $result;
    }
}

[+] ..
[-] Request.php [edit]
[-] Autoloader.php [edit]
[-] Value.php [edit]
[-] Wrapper.php [edit]
[-] Response.php [edit]
[-] PhpXmlRpc.php [edit]
[-] Client.php [edit]
[-] Server.php [edit]
[-] Encoder.php [edit]
[+] Helper
[-] .htaccess.disabled [edit]