<?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
   */
  
  /**
   * The internal representation of throwables.
   *
   * @package log4php
   * @since 2.1
   */
  class LoggerThrowableInformation {
  	
  	/** @var Exception Throwable to log */
  	private $throwable;
  	
  	/** @var array Array of throwable messages */
  	private $throwableArray;
  	
  	/**
  	 * Create a new instance
  	 * 
  	 * @param $throwable - a throwable as a exception
  	 * @param $logger - Logger reference
  	 */
  	public function __construct(Exception $throwable) {
  		$this->throwable = $throwable;
  	}
  	
  	/**
  	* Return source exception
  	* 
  	* @return Exception
  	*/
  	public function getThrowable() {
  		return $this->throwable;
  	}
  	
  	/**
  	 * @desc Returns string representation of throwable
  	 * 
  	 * @return array 
  	 */
  	public function getStringRepresentation() {
  		if (!is_array($this->throwableArray)) {
  			$renderer = new LoggerRendererException();
  			
  			$this->throwableArray = explode("
  ", $renderer->render($this->throwable));
  		}
  		
  		return $this->throwableArray;
  	}
  }