<?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 throwable information linked to the logging event, if any.
   * 
   * @package log4php
   * @subpackage pattern
   * @version $Revision: 1395470 $
   * @since 2.3
   */
  class LoggerPatternConverterThrowable extends LoggerPatternConverter {
  
  	public function convert(LoggerLoggingEvent $event) {
  		$info = $event->getThrowableInformation();
  		if (isset($info)) {
  			$ex = $info->getThrowable();
  			return (string) $ex . PHP_EOL;
  		}
  		return '';
  	}
  }