1 <?php

     2 /**

     3  * Licensed to the Apache Software Foundation (ASF) under one or more

     4  * contributor license agreements. See the NOTICE file distributed with

     5  * this work for additional information regarding copyright ownership.

     6  * The ASF licenses this file to You under the Apache License, Version 2.0

     7  * (the "License"); you may not use this file except in compliance with

     8  * the License. You may obtain a copy of the License at

     9  *

    10  *       http://www.apache.org/licenses/LICENSE-2.0

    11  *

    12  * Unless required by applicable law or agreed to in writing, software

    13  * distributed under the License is distributed on an "AS IS" BASIS,

    14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    15  * See the License for the specific language governing permissions and

    16  * limitations under the License.

    17  *

    18  * @package log4php

    19  */

    20 

    21 /**

    22  * Returns the Mapped Diagnostic Context value corresponding to the given key.

    23  *

    24  * Options:

    25  *  [0] the MDC key

    26  *

    27  * @package log4php

    28  * @subpackage pattern

    29  * @version $Revision: 1326626 $

    30  * @since 2.3

    31  */

    32 class LoggerPatternConverterMDC extends LoggerPatternConverter {

    33 

    34     private $key;

    35 

    36     public function activateOptions() {

    37         if (isset($this->option) && $this->option !== '') {

    38             $this->key = $this->option;

    39         }

    40     }

    41 

    42     public function convert(LoggerLoggingEvent $event) {

    43         if (isset($this->key)) {

    44             return $event->getMDC($this->key);

    45         } else {

    46             $buff = array();

    47             $map = $event->getMDCMap();

    48             foreach ($map as $key => $value) {

    49                 $buff [] = "$key=$value";

    50             }

    51             return implode(', ', $buff);

    52         }

    53     }

    54 }

    55