Logger.php
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Logger.php
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	<?php

	namespace Kolab\FreeBusy;

	use Monolog\Logger as Monologger;
	use Monolog\Handler\StreamHandler;
	use Monolog\Handler\NullHandler;

	/**
	* Helper class for creating up Monolog instanced with local configration
	*/
	class Logger
	{
	private static $instances = array();

	/**
	* Static getter for a Monolog\Logger instance
	*/
	public static function get($name, $level = 0)
	{
	if (!isset(self::$instances[$name])) {
	$logger = new Monologger($name);

	// TODO: support more log drivers
	$config = Config::getInstance();
	switch ($config->get('log.driver')) {
	case 'file':
	$logdir = self::realpath($config->get('log.path'));
	$loglevel = $level ?: $config->get("log.level", Monologger::INFO);
	$logger->pushHandler(new StreamHandler($logdir . $name. '.log', $loglevel));
	break;

	default:
	// null handler if logging is disabled
	$logger->pushHandler(new NullHandler);
	}

	self::$instances[$name] = $logger;
	}

	return self::$instances[$name];
	}

	/**
	* Resolve the given directory to a real path ending with a /
	*/
	private static function realpath($dirname)
	{
	if ($dirname[0] != '/')
	$dirname = realpath(KOLAB_FREEBUSY_ROOT . '/' . $dirname);

	return rtrim($dirname, '/') . '/';
	}
	}