diff --git a/library/log4php/configurators/LoggerConfiguratorDefault.php b/library/log4php/configurators/LoggerConfiguratorDefault.php
new file mode 100644
--- /dev/null
+++ b/library/log4php/configurators/LoggerConfiguratorDefault.php
@@ -0,0 +1,470 @@
+<?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
+ */
+
+/**
+ * Default implementation of the logger configurator.
+ *
+ * Configures log4php based on a provided configuration file or array.
+ *
+ * @package log4php
+ * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+ * @version $Revision: 1394956 $
+ * @since 2.2
+ */
+class LoggerConfiguratorDefault implements LoggerConfigurator {
+    /** XML configuration file format. */
+    const FORMAT_XML = 'xml';
+
+    /** PHP configuration file format. */
+    const FORMAT_PHP = 'php';
+
+    /** INI (properties) configuration file format. */
+    const FORMAT_INI = 'ini';
+
+    /** Defines which adapter should be used for parsing which format. */
+    private $adapters = array(
+        self::FORMAT_XML => 'LoggerConfigurationAdapterXML',
+        self::FORMAT_INI => 'LoggerConfigurationAdapterINI',
+        self::FORMAT_PHP => 'LoggerConfigurationAdapterPHP',
+    );
+
+    /** Default configuration; used if no configuration file is provided. */
+    private static $defaultConfiguration = array(
+        'threshold' => 'ALL',
+        'rootLogger' => array(
+            'level' => 'DEBUG',
+            'appenders' => array('default'),
+        ),
+        'appenders' => array(
+            'default' => array(
+                'class' => 'LoggerAppenderEcho'
+            ),
+        ),
+    );
+
+    /** Holds the appenders before they are linked to loggers. */
+    private $appenders = array();
+
+    /**
+     * Configures log4php based on the given configuration. The input can
+     * either be a path to the config file, or a PHP array holding the
+     * configuration.
+     *
+     * If no configuration is given, or if the given configuration cannot be
+     * parsed for whatever reason, a warning will be issued, and log4php
+     * will use the default configuration contained in
+     * {@link $defaultConfiguration}.
+     *
+     * @param LoggerHierarchy $hierarchy The hierarchy on which to perform
+     *        the configuration.
+     * @param string|array $input Either path to the config file or the
+     *        configuration as an array. If not set, default configuration
+     *        will be used.
+     */
+    public function configure(LoggerHierarchy $hierarchy, $input = null) {
+        $config = $this->parse($input);
+        $this->doConfigure($hierarchy, $config);
+    }
+
+    /**
+     * Parses the given configuration and returns the parsed configuration
+     * as a PHP array. Does not perform any configuration.
+     *
+     * If no configuration is given, or if the given configuration cannot be
+     * parsed for whatever reason, a warning will be issued, and the default
+     * configuration will be returned ({@link $defaultConfiguration}).
+     *
+     * @param string|array $input Either path to the config file or the
+     *        configuration as an array. If not set, default configuration
+     *        will be used.
+     * @return array The parsed configuration.
+     */
+    public function parse($input) {
+        // No input - use default configuration
+        if (!isset($input)) {
+            $config = self::$defaultConfiguration;
+        } // Array input - contains configuration within the array
+        else if (is_array($input)) {
+            $config = $input;
+        } // String input - contains path to configuration file
+        else if (is_string($input)) {
+            try {
+                $config = $this->parseFile($input);
+            } catch (LoggerException $e) {
+                $this->warn("Configuration failed. " . $e->getMessage() . " Using default configuration.");
+                $config = self::$defaultConfiguration;
+            }
+        } // Anything else is an error
+        else {
+            $this->warn("Invalid configuration param given. Reverting to default configuration.");
+            $config = self::$defaultConfiguration;
+        }
+
+        return $config;
+    }
+
+    /**
+     * Returns the default log4php configuration.
+     * @return array
+     */
+    public static function getDefaultConfiguration() {
+        return self::$defaultConfiguration;
+    }
+
+    /**
+     * Loads the configuration file from the given URL, determines which
+     * adapter to use, converts the configuration to a PHP array and
+     * returns it.
+     *
+     * @param string $url Path to the config file.
+     * @return The configuration from the config file, as a PHP array.
+     * @throws LoggerException If the configuration file cannot be loaded, or
+     *        if the parsing fails.
+     */
+    private function parseFile($url) {
+
+        if (!file_exists($url)) {
+            throw new LoggerException("File not found at [$url].");
+        }
+
+        $type = $this->getConfigType($url);
+        $adapterClass = $this->adapters[$type];
+
+        $adapter = new $adapterClass();
+        return $adapter->convert($url);
+    }
+
+    /** Determines configuration file type based on the file extension. */
+    private function getConfigType($url) {
+        $info = pathinfo($url);
+        $ext = strtolower($info['extension']);
+
+        switch ($ext) {
+            case 'xml':
+                return self::FORMAT_XML;
+
+            case 'ini':
+            case 'properties':
+                return self::FORMAT_INI;
+
+            case 'php':
+                return self::FORMAT_PHP;
+
+            default:
+                throw new LoggerException("Unsupported configuration file extension: $ext");
+        }
+    }
+
+    /**
+     * Constructs the logger hierarchy based on configuration.
+     *
+     * @param LoggerHierarchy $hierarchy
+     * @param array $config
+     */
+    private function doConfigure(LoggerHierarchy $hierarchy, $config) {
+        if (isset($config['threshold'])) {
+            $threshold = LoggerLevel::toLevel($config['threshold']);
+            if (isset($threshold)) {
+                $hierarchy->setThreshold($threshold);
+            } else {
+                $this->warn("Invalid threshold value [{$config['threshold']}] specified. Ignoring threshold definition.");
+            }
+        }
+
+        // Configure appenders and add them to the appender pool
+        if (isset($config['appenders']) && is_array($config['appenders'])) {
+            foreach ($config['appenders'] as $name => $appenderConfig) {
+                $this->configureAppender($name, $appenderConfig);
+            }
+        }
+
+        // Configure root logger
+        if (isset($config['rootLogger'])) {
+            $this->configureRootLogger($hierarchy, $config['rootLogger']);
+        }
+
+        // Configure loggers
+        if (isset($config['loggers']) && is_array($config['loggers'])) {
+            foreach ($config['loggers'] as $loggerName => $loggerConfig) {
+                $this->configureOtherLogger($hierarchy, $loggerName, $loggerConfig);
+            }
+        }
+
+        // Configure renderers
+        if (isset($config['renderers']) && is_array($config['renderers'])) {
+            foreach ($config['renderers'] as $rendererConfig) {
+                $this->configureRenderer($hierarchy, $rendererConfig);
+            }
+        }
+
+        if (isset($config['defaultRenderer'])) {
+            $this->configureDefaultRenderer($hierarchy, $config['defaultRenderer']);
+        }
+    }
+
+    private function configureRenderer(LoggerHierarchy $hierarchy, $config) {
+        if (empty($config['renderingClass'])) {
+            $this->warn("Rendering class not specified. Skipping renderer definition.");
+            return;
+        }
+
+        if (empty($config['renderedClass'])) {
+            $this->warn("Rendered class not specified. Skipping renderer definition.");
+            return;
+        }
+
+        // Error handling performed by RendererMap
+        $hierarchy->getRendererMap()->addRenderer($config['renderedClass'], $config['renderingClass']);
+    }
+
+    private function configureDefaultRenderer(LoggerHierarchy $hierarchy, $class) {
+        if (empty($class)) {
+            $this->warn("Rendering class not specified. Skipping default renderer definition.");
+            return;
+        }
+
+        // Error handling performed by RendererMap
+        $hierarchy->getRendererMap()->setDefaultRenderer($class);
+    }
+
+    /**
+     * Configures an appender based on given config and saves it to
+     * {@link $appenders} array so it can be later linked to loggers.
+     * @param string $name Appender name.
+     * @param array $config Appender configuration options.
+     */
+    private function configureAppender($name, $config) {
+
+        // TODO: add this check to other places where it might be useful
+        if (!is_array($config)) {
+            $type = gettype($config);
+            $this->warn("Invalid configuration provided for appender [$name]. Expected an array, found <$type>. Skipping appender definition.");
+            return;
+        }
+
+        // Parse appender class
+        $class = $config['class'];
+        if (empty($class)) {
+            $this->warn("No class given for appender [$name]. Skipping appender definition.");
+            return;
+        }
+        if (!class_exists($class)) {
+            $this->warn("Invalid class [$class] given for appender [$name]. Class does not exist. Skipping appender definition.");
+            return;
+        }
+
+        // Instantiate the appender
+        $appender = new $class($name);
+        if (!($appender instanceof LoggerAppender)) {
+            $this->warn("Invalid class [$class] given for appender [$name]. Not a valid LoggerAppender class. Skipping appender definition.");
+            return;
+        }
+
+        // Parse the appender threshold
+        if (isset($config['threshold'])) {
+            $threshold = LoggerLevel::toLevel($config['threshold']);
+            if ($threshold instanceof LoggerLevel) {
+                $appender->setThreshold($threshold);
+            } else {
+                $this->warn("Invalid threshold value [{$config['threshold']}] specified for appender [$name]. Ignoring threshold definition.");
+            }
+        }
+
+        // Parse the appender layout
+        if ($appender->requiresLayout() && isset($config['layout'])) {
+            $this->createAppenderLayout($appender, $config['layout']);
+        }
+
+        // Parse filters
+        if (isset($config['filters']) && is_array($config['filters'])) {
+            foreach ($config['filters'] as $filterConfig) {
+                $this->createAppenderFilter($appender, $filterConfig);
+            }
+        }
+
+        // Set options if any
+        if (isset($config['params'])) {
+            $this->setOptions($appender, $config['params']);
+        }
+
+        // Activate and save for later linking to loggers
+        $appender->activateOptions();
+        $this->appenders[$name] = $appender;
+    }
+
+    /**
+     * Parses layout config, creates the layout and links it to the appender.
+     * @param LoggerAppender $appender
+     * @param array $config Layout configuration.
+     */
+    private function createAppenderLayout(LoggerAppender $appender, $config) {
+        $name = $appender->getName();
+        $class = $config['class'];
+        if (empty($class)) {
+            $this->warn("Layout class not specified for appender [$name]. Reverting to default layout.");
+            return;
+        }
+        if (!class_exists($class)) {
+            $this->warn("Nonexistant layout class [$class] specified for appender [$name]. Reverting to default layout.");
+            return;
+        }
+
+        $layout = new $class();
+        if (!($layout instanceof LoggerLayout)) {
+            $this->warn("Invalid layout class [$class] sepcified for appender [$name]. Reverting to default layout.");
+            return;
+        }
+
+        if (isset($config['params'])) {
+            $this->setOptions($layout, $config['params']);
+        }
+
+        $layout->activateOptions();
+        $appender->setLayout($layout);
+    }
+
+    /**
+     * Parses filter config, creates the filter and adds it to the appender's
+     * filter chain.
+     * @param LoggerAppender $appender
+     * @param array $config Filter configuration.
+     */
+    private function createAppenderFilter(LoggerAppender $appender, $config) {
+        $name = $appender->getName();
+        $class = $config['class'];
+        if (!class_exists($class)) {
+            $this->warn("Nonexistant filter class [$class] specified on appender [$name]. Skipping filter definition.");
+            return;
+        }
+
+        $filter = new $class();
+        if (!($filter instanceof LoggerFilter)) {
+            $this->warn("Invalid filter class [$class] sepcified on appender [$name]. Skipping filter definition.");
+            return;
+        }
+
+        if (isset($config['params'])) {
+            $this->setOptions($filter, $config['params']);
+        }
+
+        $filter->activateOptions();
+        $appender->addFilter($filter);
+    }
+
+    /**
+     * Configures the root logger
+     * @see configureLogger()
+     */
+    private function configureRootLogger(LoggerHierarchy $hierarchy, $config) {
+        $logger = $hierarchy->getRootLogger();
+        $this->configureLogger($logger, $config);
+    }
+
+    /**
+     * Configures a logger which is not root.
+     * @see configureLogger()
+     */
+    private function configureOtherLogger(LoggerHierarchy $hierarchy, $name, $config) {
+        // Get logger from hierarchy (this creates it if it doesn't already exist)
+        $logger = $hierarchy->getLogger($name);
+        $this->configureLogger($logger, $config);
+    }
+
+    /**
+     * Configures a logger.
+     *
+     * @param Logger $logger The logger to configure
+     * @param array $config Logger configuration options.
+     */
+    private function configureLogger(Logger $logger, $config) {
+        $loggerName = $logger->getName();
+
+        // Set logger level
+        if (isset($config['level'])) {
+            $level = LoggerLevel::toLevel($config['level']);
+            if (isset($level)) {
+                $logger->setLevel($level);
+            } else {
+                $this->warn("Invalid level value [{$config['level']}] specified for logger [$loggerName]. Ignoring level definition.");
+            }
+        }
+
+        // Link appenders to logger
+        if (isset($config['appenders'])) {
+            foreach ($config['appenders'] as $appenderName) {
+                if (isset($this->appenders[$appenderName])) {
+                    $logger->addAppender($this->appenders[$appenderName]);
+                } else {
+                    $this->warn("Nonexistnant appender [$appenderName] linked to logger [$loggerName].");
+                }
+            }
+        }
+
+        // Set logger additivity
+        if (isset($config['additivity'])) {
+            try {
+                $additivity = LoggerOptionConverter::toBooleanEx($config['additivity'], null);
+                $logger->setAdditivity($additivity);
+            } catch (Exception $ex) {
+                $this->warn("Invalid additivity value [{$config['additivity']}] specified for logger [$loggerName]. Ignoring additivity setting.");
+            }
+        }
+    }
+
+    /**
+     * Helper method which applies given options to an object which has setters
+     * for these options (such as appenders, layouts, etc.).
+     *
+     * For example, if options are:
+     * <code>
+     * array(
+     *    'file' => '/tmp/myfile.log',
+     *    'append' => true
+     * )
+     * </code>
+     *
+     * This method will call:
+     * <code>
+     * $object->setFile('/tmp/myfile.log')
+     * $object->setAppend(true)
+     * </code>
+     *
+     * If required setters do not exist, it will produce a warning.
+     *
+     * @param mixed $object The object to configure.
+     * @param unknown_type $options
+     */
+    private function setOptions($object, $options) {
+        foreach ($options as $name => $value) {
+            $setter = "set$name";
+            if (method_exists($object, $setter)) {
+                $object->$setter($value);
+            } else {
+                $class = get_class($object);
+                $this->warn("Nonexistant option [$name] specified on [$class]. Skipping.");
+            }
+        }
+    }
+
+    /** Helper method to simplify error reporting. */
+    private function warn($message) {
+        trigger_error("log4php: $message", E_USER_WARNING);
+    }
+}