library/log4php/pattern/LoggerPatternConverterMDC.php
author Markus Bröker<broeker.markus@googlemail.com>
Sat, 12 Dec 2015 12:43:57 +0100
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<?php
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/**
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 * Licensed to the Apache Software Foundation (ASF) under one or more
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 * contributor license agreements. See the NOTICE file distributed with
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 * this work for additional information regarding copyright ownership.
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 * The ASF licenses this file to You under the Apache License, Version 2.0
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 * (the "License"); you may not use this file except in compliance with
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 * the License. You may obtain a copy of the License at
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 *
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 *       http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 *
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 * @package log4php
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 */
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/**
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 * Returns the Mapped Diagnostic Context value corresponding to the given key.
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 *
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 * Options:
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 *  [0] the MDC key
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 *
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 * @package log4php
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 * @subpackage pattern
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 * @version $Revision: 1326626 $
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 * @since 2.3
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 */
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class LoggerPatternConverterMDC extends LoggerPatternConverter {
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    private $key;
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    public function activateOptions() {
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        if (isset($this->option) && $this->option !== '') {
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            $this->key = $this->option;
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        }
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    }
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    public function convert(LoggerLoggingEvent $event) {
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        if (isset($this->key)) {
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            return $event->getMDC($this->key);
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        } else {
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            $buff = array();
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            $map = $event->getMDCMap();
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            foreach ($map as $key => $value) {
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                $buff [] = "$key=$value";
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            }
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            return implode(', ', $buff);
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        }
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    }
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}
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