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files >> C:/SiakApp/lib/log4php/appenders/LoggerAppenderDailyFile.php
 <?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
 */

/**
 * An Appender that automatically creates a new logfile each day.
 *
 * The file is rolled over once a day. That means, for each day a new file 
 * is created. A formatted version of the date pattern is used as to create 
 * the file name using the {@link PHP_MANUAL#sprintf} function.
 * 
 * - layout             - Sets the layout class for this appender
 * - datePattern        - Sets date format for the file name. Should be set before $file!
 * - file               - The target file name. Should contain a '%s' which gets substituted by the date.
 * - append             - Sets if the appender should append to the end of the file or overwrite content ("true" or "false")
 * 
 * An example php file:
 * 
 * {@example ../../examples/php/appender_dailyfile.php 19}
 *  
 * An example configuration file:
 * 
 * {@example ../../examples/resources/appender_dailyfile.properties 18}
 *
 * The above will create a file like: daily_20090908.log
 *
 * @version $Revision: 1.1 $
 * @package log4php
 * @subpackage appenders
 */
class LoggerAppenderDailyFile extends LoggerAppenderFile {

	/**
	 * Format date. 
	 * It follows the {@link PHP_MANUAL#date()} formatting rules and <b>should always be set before {@link $file} param</b>.
	 * @var string
	 */
	public $datePattern = "Ymd";
	
	public function __destruct() {
       parent::__destruct();
   	}
   	
	/**
	* Sets date format for the file name.
	* @param string $format a regular date() string format
	*/
	public function setDatePattern($format) {
		$this->datePattern = $format;
	}
	
	/**
	* @return string returns date format for the filename
	*/
	public function getDatePattern() {
		return $this->datePattern;
	}
	
	/**
	* The File property takes a string value which should be the name of the file to append to.
	* Sets and opens the file where the log output will go.
	*
	* @see LoggerAppenderFile::setFile()
	*/
	public function setFile() {
		$numargs = func_num_args();
		$args = func_get_args();
		
		if($numargs == 1 and is_string($args[0])) {
			parent::setFile( sprintf((string)$args[0], date($this->getDatePattern())) );
		} else if ($numargs == 2 and is_string($args[0]) and is_bool($args[1])) {
			parent::setFile( sprintf((string)$args[0], date($this->getDatePattern())), $args[1] );
		}
	} 

}