Switched to PHP Common Exceptions.

Updated readme.

README.md

@@ -44,6 +44,8 @@ To use Yubico OTP you need YubiCloud access. You can get free API credentials fr
 #### Validating a Yubico one time password
 
 ```{php}
+use CommonException\NetworkException\Base\NetworkException;
+
 $otp = $_POST['otp'];
 $userPublicId = 'fetchedFromDatabaseOrSimilar';
 
@@ -55,7 +57,7 @@ try {
 	} else {
 		// Validation failed
 	}
-} catch (OathServerSuite\Exception\NetworkException $exception) {
+} catch (NetworkException $exception) {
 	// Accessing the YubiCloud webservice failed.
 }
 ```
@@ -278,6 +280,15 @@ if ($validator->isValid()) {
 }
 ```
 
+---
+
+## Exception handling
+
+PHP Oath Server Suite provides different exceptions – some provided by the PHP Common Exceptions project – for proper handling.  
+You can find more information about [PHP Common Exceptions at Github](https://github.com/markenwerk/php-common-exceptions).
+
+---
+
 ## Contribution
 
 Contributing to our projects is always very appreciated.  

composer.json

@@ -28,6 +28,7 @@
   "require": {
     "php": ">=5.3",
     "lib-curl": "*",
+    "markenwerk/common-exceptions": "~2.0",
     "markenwerk/qr-code-suite": "~3.0",
     "enygma/yubikey": "~3.0",
     "skleeschulte/base32": "*"

src/Validation/YubicoOtp/Validator.php

@@ -2,7 +2,7 @@
 
 namespace OathServerSuite\Validation\YubicoOtp;
 
-use OathServerSuite\Exception\NetworkException;
+use CommonException\NetworkException\Base\NetworkException;
 use OathServerSuite\Exception\ParserException;
 use Yubikey\Validate;