IcingaException: Add utility method to format exceptions as one-liner

library/Icinga/Application/Logger.php

@@ -8,6 +8,7 @@ use Icinga\Data\ConfigObject;
 use Icinga\Application\Logger\Writer\FileWriter;
 use Icinga\Application\Logger\Writer\SyslogWriter;
 use Icinga\Exception\ConfigurationError;
+use Icinga\Exception\IcingaException;
 
 /**
  * Logger
@@ -226,13 +227,7 @@ class Logger
                 $messages = array();
                 $error = $message;
                 do {
-                    $messages[] = sprintf(
-                        '%s in %s:%d with message: %s',
-                        get_class($error),
-                        $error->getFile(),
-                        $error->getLine(),
-                        $error->getMessage()
-                    );
+                    $messages[] = IcingaException::describe($error);
                 } while ($error = $error->getPrevious());
                 $message = implode(' <- ', $messages);
             }

library/Icinga/Cli/Loader.php

@@ -4,6 +4,7 @@
 namespace Icinga\Cli;
 
 use Icinga\Application\ApplicationBootstrap as App;
+use Icinga\Exception\IcingaException;
 use Icinga\Exception\ProgrammingError;
 use Icinga\Cli\Params;
 use Icinga\Cli\Screen;
@@ -266,13 +267,7 @@ class Loader
                 echo $this->formatTrace($e->getTrace());
             }
 
-            $this->fail(sprintf(
-                '%s in %s:%d with message: %s',
-                get_class($e),
-                $e->getFile(),
-                $e->getLine(),
-                $e->getMessage()
-            ));
+            $this->fail(IcingaException::describe($e));
         }
     }
 

library/Icinga/Exception/IcingaException.php

@@ -25,4 +25,24 @@ class IcingaException extends Exception
         }
         parent::__construct(vsprintf($message, $args), 0, $exc);
     }
+
+    /**
+     * Return the given exception formatted as one-liner
+     *
+     * The format used is: %class% in %path%:%line% with message: %message%
+     *
+     * @param   Exception   $exception
+     *
+     * @return  string
+     */
+    public static function describe(Exception $exception)
+    {
+        return sprintf(
+            '%s in %s:%d with message: %s',
+            get_class($exception),
+            $exception->getFile(),
+            $exception->getLine(),
+            $exception->getMessage()
+        );
+    }
 }