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Initial commit
Functional, without SSO
This commit is contained in:
Jimmy Monin
@ -0,0 +1,299 @@
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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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* Converts ini configuration files to a PHP array.
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*
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* These used to be called "properties" files (inherited from log4j), and that
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* file extension is still supported.
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*
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* @package log4php
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* @subpackage configurators
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* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
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* @version $Revision: 1343601 $
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* @since 2.2
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*/
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class LoggerConfigurationAdapterINI implements LoggerConfigurationAdapter {
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/** Name to assign to the root logger. */
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const ROOT_LOGGER_NAME = "root";
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/** Prefix used for defining logger additivity. */
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const ADDITIVITY_PREFIX = "log4php.additivity.";
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/** Prefix used for defining logger threshold. */
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const THRESHOLD_PREFIX = "log4php.threshold";
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/** Prefix used for defining the root logger. */
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const ROOT_LOGGER_PREFIX = "log4php.rootLogger";
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/** Prefix used for defining a logger. */
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const LOGGER_PREFIX = "log4php.logger.";
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/** Prefix used for defining an appender. */
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const APPENDER_PREFIX = "log4php.appender.";
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/** Prefix used for defining a renderer. */
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const RENDERER_PREFIX = "log4php.renderer.";
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/** Holds the configuration. */
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private $config = array();
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/**
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* Loads and parses the INI configuration file.
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*
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* @param string $url Path to the config file.
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* @throws LoggerException
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*/
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private function load($url) {
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if (!file_exists($url)) {
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throw new LoggerException("File [$url] does not exist.");
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}
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$properties = @parse_ini_file($url, true);
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if ($properties === false) {
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$error = error_get_last();
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throw new LoggerException("Error parsing configuration file: {$error['message']}");
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}
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return $properties;
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}
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/**
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* Converts the provided INI configuration file to a PHP array config.
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*
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* @param string $path Path to the config file.
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* @throws LoggerException If the file cannot be loaded or parsed.
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*/
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public function convert($path) {
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// Load the configuration
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$properties = $this->load($path);
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// Parse threshold
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if (isset($properties[self::THRESHOLD_PREFIX])) {
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$this->config['threshold'] = $properties[self::THRESHOLD_PREFIX];
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}
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// Parse root logger
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if (isset($properties[self::ROOT_LOGGER_PREFIX])) {
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$this->parseLogger($properties[self::ROOT_LOGGER_PREFIX], self::ROOT_LOGGER_NAME);
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}
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$appenders = array();
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foreach($properties as $key => $value) {
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// Parse loggers
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if ($this->beginsWith($key, self::LOGGER_PREFIX)) {
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$name = substr($key, strlen(self::LOGGER_PREFIX));
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$this->parseLogger($value, $name);
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}
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// Parse additivity
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if ($this->beginsWith($key, self::ADDITIVITY_PREFIX)) {
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$name = substr($key, strlen(self::ADDITIVITY_PREFIX));
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$this->config['loggers'][$name]['additivity'] = $value;
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}
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// Parse appenders
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else if ($this->beginsWith($key, self::APPENDER_PREFIX)) {
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$this->parseAppender($key, $value);
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}
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// Parse renderers
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else if ($this->beginsWith($key, self::RENDERER_PREFIX)) {
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$this->parseRenderer($key, $value);
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}
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}
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return $this->config;
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}
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/**
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* Parses a logger definition.
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*
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* Loggers are defined in the following manner:
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* <pre>
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* log4php.logger.<name> = [<level>], [<appender-ref>, <appender-ref>, ...]
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* </pre>
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*
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* @param string $value The configuration value (level and appender-refs).
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* @param string $name Logger name.
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*/
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private function parseLogger($value, $name) {
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// Value is divided by commas
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$parts = explode(',', $value);
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if (empty($value) || empty($parts)) {
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return;
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}
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// The first value is the logger level
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$level = array_shift($parts);
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// The remaining values are appender references
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$appenders = array();
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while($appender = array_shift($parts)) {
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$appender = trim($appender);
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if (!empty($appender)) {
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$appenders[] = trim($appender);
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}
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}
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// Find the target configuration
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if ($name == self::ROOT_LOGGER_NAME) {
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$this->config['rootLogger']['level'] = trim($level);
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$this->config['rootLogger']['appenders'] = $appenders;
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} else {
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$this->config['loggers'][$name]['level'] = trim($level);
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$this->config['loggers'][$name]['appenders'] = $appenders;
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}
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}
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/**
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* Parses an configuration line pertaining to an appender.
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*
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* Parses the following patterns:
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*
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* Appender class:
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* <pre>
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* log4php.appender.<name> = <class>
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* </pre>
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*
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* Appender parameter:
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* <pre>
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* log4php.appender.<name>.<param> = <value>
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* </pre>
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*
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* Appender threshold:
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* <pre>
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* log4php.appender.<name>.threshold = <level>
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* </pre>
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*
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* Appender layout:
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* <pre>
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* log4php.appender.<name>.layout = <layoutClass>
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* </pre>
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*
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* Layout parameter:
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* <pre>
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* log4php.appender.<name>.layout.<param> = <value>
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* </pre>
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*
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* For example, a full appender config might look like:
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* <pre>
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* log4php.appender.myAppender = LoggerAppenderConsole
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* log4php.appender.myAppender.threshold = info
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* log4php.appender.myAppender.target = stdout
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* log4php.appender.myAppender.layout = LoggerLayoutPattern
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* log4php.appender.myAppender.layout.conversionPattern = "%d %c: %m%n"
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* </pre>
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*
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* After parsing all these options, the following configuration can be
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* found under $this->config['appenders']['myAppender']:
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* <pre>
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* array(
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* 'class' => LoggerAppenderConsole,
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* 'threshold' => info,
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* 'params' => array(
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* 'target' => 'stdout'
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* ),
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* 'layout' => array(
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* 'class' => 'LoggerAppenderConsole',
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* 'params' => array(
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* 'conversionPattern' => '%d %c: %m%n'
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* )
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* )
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* )
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* </pre>
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*
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* @param string $key
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* @param string $value
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*/
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private function parseAppender($key, $value) {
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// Remove the appender prefix from key
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$subKey = substr($key, strlen(self::APPENDER_PREFIX));
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// Divide the string by dots
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$parts = explode('.', $subKey);
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$count = count($parts);
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// The first part is always the appender name
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$name = trim($parts[0]);
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// Only one part - this line defines the appender class
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if ($count == 1) {
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$this->config['appenders'][$name]['class'] = $value;
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return;
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}
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// Two parts - either a parameter, a threshold or layout class
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else if ($count == 2) {
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if ($parts[1] == 'layout') {
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$this->config['appenders'][$name]['layout']['class'] = $value;
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return;
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} else if ($parts[1] == 'threshold') {
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$this->config['appenders'][$name]['threshold'] = $value;
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return;
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} else {
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$this->config['appenders'][$name]['params'][$parts[1]] = $value;
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return;
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}
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}
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// Three parts - this can only be a layout parameter
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else if ($count == 3) {
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if ($parts[1] == 'layout') {
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$this->config['appenders'][$name]['layout']['params'][$parts[2]] = $value;
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return;
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}
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}
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trigger_error("log4php: Don't know how to parse the following line: \"$key = $value\". Skipping.");
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}
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/**
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* Parses a renderer definition.
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*
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* Renderers are defined as:
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* <pre>
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* log4php.renderer.<renderedClass> = <renderingClass>
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* </pre>
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*
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* @param string $key log4php.renderer.<renderedClass>
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* @param string $value <renderingClass>
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*/
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private function parseRenderer($key, $value) {
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// Remove the appender prefix from key
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$renderedClass = substr($key, strlen(self::APPENDER_PREFIX));
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$renderingClass = $value;
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$this->config['renderers'][] = compact('renderedClass', 'renderingClass');
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}
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/** Helper method. Returns true if $str begins with $sub. */
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private function beginsWith($str, $sub) {
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return (strncmp($str, $sub, strlen($sub)) == 0);
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}
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}
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