web/Zend/Service/StrikeIron/Base.php
changeset 0 4eba9c11703f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Service/StrikeIron/Base.php	Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,274 @@
+<?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_Service
+ * @subpackage StrikeIron
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: Base.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Service_StrikeIron_Decorator
+ */
+require_once 'Zend/Service/StrikeIron/Decorator.php';
+
+
+/**
+ * @category   Zend
+ * @package    Zend_Service
+ * @subpackage StrikeIron
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Service_StrikeIron_Base
+{
+    /**
+     * Configuration options
+     * @param array
+     */
+    protected $_options = array('username' => null,
+                                'password' => null,
+                                'client'   => null,
+                                'options'  => null,
+                                'headers'  => null,
+                                'wsdl'     => null);
+
+    /**
+     * Output headers returned by the last call to SOAPClient->__soapCall()
+     * @param array
+     */
+    protected $_outputHeaders = array();
+
+    /**
+     * Class constructor
+     *
+     * @param  array  $options  Key/value pair options
+     * @throws Zend_Service_StrikeIron_Exception
+     */
+    public function __construct($options = array())
+    {
+        if (!extension_loaded('soap')) {
+            /**
+             * @see Zend_Service_StrikeIron_Exception
+             */
+            require_once 'Zend/Service/StrikeIron/Exception.php';
+            throw new Zend_Service_StrikeIron_Exception('SOAP extension is not enabled');
+        }
+
+        $this->_options  = array_merge($this->_options, $options);
+
+        $this->_initSoapHeaders();
+        $this->_initSoapClient();
+    }
+
+    /**
+     * Proxy method calls to the SOAPClient instance, transforming method
+     * calls and responses for convenience.
+     *
+     * @param  string  $method  Method name
+     * @param  array   $params  Parameters for method
+     * @return mixed            Result
+     * @throws Zend_Service_StrikeIron_Exception
+     */
+    public function __call($method, $params)
+    {
+        // prepare method name and parameters for soap call
+        list($method, $params) = $this->_transformCall($method, $params);
+        $params = isset($params[0]) ? array($params[0]) : array();
+
+        // make soap call, capturing the result and output headers
+        try {
+            $result = $this->_options['client']->__soapCall($method,
+                                                            $params,
+                                                            $this->_options['options'],
+                                                            $this->_options['headers'],
+                                                            $this->_outputHeaders);
+        } catch (Exception $e) {
+            $message = get_class($e) . ': ' . $e->getMessage();
+            /**
+             * @see Zend_Service_StrikeIron_Exception
+             */
+            require_once 'Zend/Service/StrikeIron/Exception.php';
+            throw new Zend_Service_StrikeIron_Exception($message, $e->getCode(), $e);
+        }
+
+        // transform/decorate the result and return it
+        $result = $this->_transformResult($result, $method, $params);
+        return $result;
+    }
+
+    /**
+     * Initialize the SOAPClient instance
+     *
+     * @return void
+     */
+    protected function _initSoapClient()
+    {
+        if (! isset($this->_options['options'])) {
+            $this->_options['options'] = array();
+        }
+
+        if (! isset($this->_options['client'])) {
+            $this->_options['client'] = new SoapClient($this->_options['wsdl'],
+                                                       $this->_options['options']);
+        }
+    }
+
+    /**
+     * Initialize the headers to pass to SOAPClient->__soapCall()
+     *
+     * @return void
+     * @throws Zend_Service_StrikeIron_Exception
+     */
+    protected function _initSoapHeaders()
+    {
+        // validate headers and check if LicenseInfo was given
+        $foundLicenseInfo = false;
+        if (isset($this->_options['headers'])) {
+            if (! is_array($this->_options['headers'])) {
+                $this->_options['headers'] = array($this->_options['headers']);
+            }
+
+            foreach ($this->_options['headers'] as $header) {
+                if (! $header instanceof SoapHeader) {
+                    /**
+                     * @see Zend_Service_StrikeIron_Exception
+                     */
+                    require_once 'Zend/Service/StrikeIron/Exception.php';
+                    throw new Zend_Service_StrikeIron_Exception('Header must be instance of SoapHeader');
+                } else if ($header->name == 'LicenseInfo') {
+                    $foundLicenseInfo = true;
+                    break;
+                }
+            }
+        } else {
+            $this->_options['headers'] = array();
+        }
+
+        // add default LicenseInfo header if a custom one was not supplied
+        if (! $foundLicenseInfo) {
+            $this->_options['headers'][] = new SoapHeader('http://ws.strikeiron.com',
+                            'LicenseInfo',
+                            array('RegisteredUser' => array('UserID'   => $this->_options['username'],
+                                                            'Password' => $this->_options['password'])));
+        }
+    }
+
+    /**
+     * Transform a method name or method parameters before sending them
+     * to the remote service.  This can be useful for inflection or other
+     * transforms to give the method call a more PHP-like interface.
+     *
+     * @see    __call()
+     * @param  string  $method  Method name called from PHP
+     * @param  mixed   $param   Parameters passed from PHP
+     * @return array            [$method, $params] for SOAPClient->__soapCall()
+     */
+    protected function _transformCall($method, $params)
+    {
+        return array(ucfirst($method), $params);
+    }
+
+    /**
+     * Transform the result returned from a method before returning
+     * it to the PHP caller.  This can be useful for transforming
+     * the SOAPClient returned result to be more PHP-like.
+     *
+     * The $method name and $params passed to the method are provided to
+     * allow decisions to be made about how to transform the result based
+     * on what was originally called.
+     *
+     * @see    __call()
+     * @param  $result  Raw result returned from SOAPClient_>__soapCall()
+     * @param  $method  Method name that was passed to SOAPClient->__soapCall()
+     * @param  $params  Method parameters that were passed to SOAPClient->__soapCall()
+     * @return mixed    Transformed result
+     */
+    protected function _transformResult($result, $method, $params)
+    {
+        $resultObjectName = "{$method}Result";
+        if (isset($result->$resultObjectName)) {
+            $result = $result->$resultObjectName;
+        }
+        if (is_object($result)) {
+            $result = new Zend_Service_StrikeIron_Decorator($result, $resultObjectName);
+        }
+        return $result;
+    }
+
+    /**
+     * Get the WSDL URL for this service.
+     *
+     * @return string
+     */
+    public function getWsdl()
+    {
+        return $this->_options['wsdl'];
+    }
+
+    /**
+     * Get the SOAP Client instance for this service.
+     */
+    public function getSoapClient()
+    {
+        return $this->_options['client'];
+    }
+
+    /**
+     * Get the StrikeIron output headers returned with the last method response.
+     *
+     * @return array
+     */
+    public function getLastOutputHeaders()
+    {
+        return $this->_outputHeaders;
+    }
+
+    /**
+     * Get the StrikeIron subscription information for this service.
+     * If any service method was recently called, the subscription info
+     * should have been returned in the SOAP headers so it is cached
+     * and returned from the cache.  Otherwise, the getRemainingHits()
+     * method is called as a dummy to get the subscription info headers.
+     *
+     * @param  boolean  $now          Force a call to getRemainingHits instead of cache?
+     * @param  string   $queryMethod  Method that will cause SubscriptionInfo header to be sent
+     * @return Zend_Service_StrikeIron_Decorator  Decorated subscription info
+     * @throws Zend_Service_StrikeIron_Exception
+     */
+    public function getSubscriptionInfo($now = false, $queryMethod = 'GetRemainingHits')
+    {
+        if ($now || empty($this->_outputHeaders['SubscriptionInfo'])) {
+            $this->$queryMethod();
+        }
+
+        // capture subscription info if returned in output headers
+        if (isset($this->_outputHeaders['SubscriptionInfo'])) {
+            $info = (object)$this->_outputHeaders['SubscriptionInfo'];
+            $subscriptionInfo = new Zend_Service_StrikeIron_Decorator($info, 'SubscriptionInfo');
+        } else {
+            $msg = 'No SubscriptionInfo header found in last output headers';
+            /**
+             * @see Zend_Service_StrikeIron_Exception
+             */
+            require_once 'Zend/Service/StrikeIron/Exception.php';
+            throw new Zend_Service_StrikeIron_Exception($msg);
+        }
+
+        return $subscriptionInfo;
+    }
+}