Remove changes which were inadvertently pushed to master

lib/private/log.php

 <?php
 /**
  * Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
- * Copyright (c) 2014 Jordi Boggiano <j.boggiano@seld.be>
- * Copyright (c) 2014 Olivier Paroz <owncloud@oparoz.com>
  * This file is licensed under the Affero General Public License version 3 or
  * later.
  * See the COPYING-README file.
@@ -149,8 +147,6 @@ class Log implements ILogger {
 		// interpolate $message as defined in PSR-3
 		$replace = array();
 		foreach ($context as $key => $val) {
-			// Allows us to dump arrays, objects and exceptions to the log
-			$val = $this->normalize($val);
 			$replace['{' . $key . '}'] = $val;
 		}
 
@@ -160,78 +156,4 @@ class Log implements ILogger {
 		$logger = $this->logger;
 		call_user_func(array($logger, 'write'), $app, $message, $level);
 	}
-
-	private function normalize($data) {
-		if (null === $data || is_scalar($data)) {
-			return $data;
-		}
-
-		if (is_array($data) || $data instanceof \Traversable) {
-			$normalized = array();
-			$count = 1;
-			foreach ($data as $key => $value) {
-				if ($count++ >= 1000) {
-					$normalized['...'] = 'Over 1000 items, aborting normalization';
-					break;
-				}
-				$normalized[$key] = $this->normalize($value);
-			}
-
-			//return $normalized;
-			return $this->toJson($normalized, true);
-		}
-
-		if (is_object($data)) {
-			if ($data instanceof \Exception) {
-				return $this->normalizeException($data);
-			}
-
-			$arrayObject = new \ArrayObject($data);
-			$serializedObject = $arrayObject->getArrayCopy();
-			return sprintf("[object] (%s: %s)", get_class($data), $this->toJson($serializedObject, true));
-		}
-
-		if (is_resource($data)) {
-			return '[resource]';
-		}
-
-		return '[unknown(' . gettype($data) . ')]';
-	}
-
-	private function normalizeException(\Exception $e) {
-		$data = array(
-			'class'   => get_class($e),
-			'message' => $e->getMessage(),
-			'file'    => $e->getFile() . ':' . $e->getLine(),
-		);
-		$trace = $e->getTrace();
-		foreach ($trace as $frame) {
-			if (isset($frame['file'])) {
-				$data['trace'][] = $frame['file'] . ':' . $frame['line'];
-			} else {
-				$data['trace'][] = $this->toJson($frame, true);
-			}
-		}
-		if ($previous = $e->getPrevious()) {
-			$data['previous'] = $this->normalizeException($previous);
-		}
-
-		return $this->toJson($data, true);
-	}
-
-	private function toJson($data, $ignoreErrors = false) {
-		// suppress json_encode errors since it's twitchy with some inputs
-		if ($ignoreErrors) {
-			if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
-				return @json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
-			}
-
-			return @json_encode($data);
-		}
-		if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
-			return json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
-		}
-
-		return json_encode($data);
-	}
 }