<?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 name of the logger which created the logging request.

 *

 * Takes one option, which is an integer. If the option is given, the logger

 * name will be shortened to the given length, if possible.

 *

 * @package log4php

 * @subpackage pattern

 * @version $Revision: 1326626 $

 * @since 2.3

 */

class LoggerPatternConverterLogger extends LoggerPatternConverter {

    /** Length to which to shorten the name. */

    private $length;

    /** Holds processed logger 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->getLoggerName();

        if (!isset($this->cache[$name])) {

            // If length is set return shortened logger name

            if (isset($this->length)) {

                $this->cache[$name] = LoggerUtils::shortenClassName($name, $this->length);

            } // If no length is specified return full logger name

            else {

                $this->cache[$name] = $name;

            }

        }

        return $this->cache[$name];

    }

}