new file mode 100644
--- /dev/null
+++ b/library/log4php/pattern/LoggerPatternConverterClass.php
@@ -0,0 +1,62 @@
+<?php
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @package log4php
+ */
+
+/**
+ * Returns the fully qualified class name of the class from which the logging
+ * request was issued.
+ *
+ * @package log4php
+ * @subpackage pattern
+ * @version $Revision: 1326626 $
+ * @since 2.3
+ */
+class LoggerPatternConverterClass extends LoggerPatternConverter {
+
+    /** Length to which to shorten the class name. */
+    private $length;
+
+    /** Holds processed class names. */
+    private $cache = array();
+
+    public function activateOptions() {
+        // Parse the option (desired output length)
+        if (isset($this->option) && is_numeric($this->option) && $this->option >= 0) {
+            $this->length = (integer)$this->option;
+        }
+    }
+
+    public function convert(LoggerLoggingEvent $event) {
+        $name = $event->getLocationInformation()->getClassName();
+
+        if (!isset($this->cache[$name])) {
+
+            // If length is set return shortened class name
+            if (isset($this->length)) {
+                $this->cache[$name] = LoggerUtils::shortenClassName($name, $this->length);
+            } // If no length is specified return the full class name
+            else {
+                $this->cache[$name] = $name;
+            }
+        }
+
+        return $this->cache[$name];
+    }
+}
+ 
\ No newline at end of file