library/log4php/LoggerLayout.php
author Markus Bröker<broeker.markus@googlemail.com>
Sat, 19 Dec 2015 02:45:55 +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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 * Extend this abstract class to create your own log layout format.
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 *
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 * @version $Revision: 1213283 $
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 * @package log4php
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 */
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abstract class LoggerLayout extends LoggerConfigurable {
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    /**
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     * Activates options for this layout.
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     * Override this method if you have options to be activated.
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     */
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    public function activateOptions() {
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        return true;
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    }
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    /**
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     * Override this method to create your own layout format.
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     *
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     * @param LoggerLoggingEvent
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     * @return string
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     */
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    public function format(LoggerLoggingEvent $event) {
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        return $event->getRenderedMessage();
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    }
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    /**
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     * Returns the content type output by this layout.
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     * @return string
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     */
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    public function getContentType() {
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        return "text/plain";
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    }
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    /**
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     * Returns the footer for the layout format.
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     * @return string
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     */
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    public function getFooter() {
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        return null;
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    }
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    /**
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     * Returns the header for the layout format.
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     * @return string
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     */
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    public function getHeader() {
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        return null;
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    }
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    /** Triggers a warning for this layout with the given message. */
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    protected function warn($message) {
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        trigger_error("log4php: [" . get_class($this) . "]: $message", E_USER_WARNING);
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    }
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}