Renaming Namespaces and Organizing Classes

- Updated OpenId classes to be in API namespace
- Updated PP Naming Convention to PayPal Naming Convention
- FormatConverter Class got its own namespace
- Handlers are grouped in Handler namespace
- Samples and Tests Updated Accordingly

lib/PayPal/Transport/PayPalRestCall.php

@@ -1,24 +1,24 @@
 <?php
 namespace PayPal\Transport;
 
-use PayPal\Core\PPLoggingManager;
-use PayPal\Core\PPHttpConfig;
-use PayPal\Core\PPHttpConnection;
+use PayPal\Core\PayPalLoggingManager;
+use PayPal\Core\PayPalHttpConfig;
+use PayPal\Core\PayPalHttpConnection;
 use PayPal\Rest\ApiContext;
 
 /**
- * Class PPRestCall
+ * Class PayPalRestCall
  *
  * @package PayPal\Transport
  */
-class PPRestCall
+class PayPalRestCall
 {
 
 
     /**
      * Paypal Logger
      *
-     * @var PPLoggingManager logger interface
+     * @var PayPalLoggingManager logger interface
      */
     private $logger;
 
@@ -38,7 +38,7 @@ class PPRestCall
     public function __construct(ApiContext $apiContext)
     {
         $this->apiContext = $apiContext;
-        $this->logger = PPLoggingManager::getInstance(__CLASS__);
+        $this->logger = PayPalLoggingManager::getInstance(__CLASS__);
     }
 
     /**
@@ -48,13 +48,13 @@ class PPRestCall
      * @param string $data     Request payload
      * @param array  $headers  HTTP headers
      * @return mixed
-     * @throws \PayPal\Exception\PPConnectionException
+     * @throws \PayPal\Exception\PayPalConnectionException
      */
     public function execute($handlers = array(), $path, $method, $data = '', $headers = array())
     {
 
         $config = $this->apiContext->getConfig();
-        $httpConfig = new PPHttpConfig(null, $method);
+        $httpConfig = new PayPalHttpConfig(null, $method);
         $headers = $headers ? $headers : array();
         $httpConfig->setHeaders($headers +
             array(
@@ -62,7 +62,7 @@ class PPRestCall
             )
         );
 
-        /** @var \Paypal\Handler\IPPHandler $handler */
+        /** @var \Paypal\Handler\IPayPalHandler $handler */
         foreach ($handlers as $handler) {
             if (!is_object($handler)) {
                 $fullHandler = "\\" . (string)$handler;
@@ -70,7 +70,7 @@ class PPRestCall
             }
             $handler->handle($httpConfig, $data, array('path' => $path, 'apiContext' => $this->apiContext));
         }
-        $connection = new PPHttpConnection($httpConfig, $config);
+        $connection = new PayPalHttpConnection($httpConfig, $config);
         $response = $connection->execute($data);
 
         return $response;