From 3628bfe141ef02299beb9514397cfc2c27a7dcb1 Mon Sep 17 00:00:00 2001
From: wei <>
Date: Wed, 4 Jan 2006 08:10:56 +0000
Subject: adding TEventLog using ezcLog from ezComponents.

---
 framework/Log/TEzcLogger.php | 133 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 133 insertions(+)
 create mode 100644 framework/Log/TEzcLogger.php

(limited to 'framework/Log/TEzcLogger.php')

diff --git a/framework/Log/TEzcLogger.php b/framework/Log/TEzcLogger.php
new file mode 100644
index 00000000..11fe6c7f
--- /dev/null
+++ b/framework/Log/TEzcLogger.php
@@ -0,0 +1,133 @@
+<?php
+
+abstract class TEzcLogger extends TModule
+{
+	protected $defaultSeverity = 'INFO | DEBUG | NOTICE | WARNING | ERROR | FATAL';
+	
+	protected $config;
+
+	public function init($xml)
+	{
+		if(!is_null($this->config))
+			$this->initLogger($this->loadConfigFromFile($this->config));
+		else
+			$this->initLogger($xml);
+	}
+
+	protected function loadConfigFromFile($file)
+	{
+		$xml = new TXmlDocument();
+		$xml->loadFromFile($file);
+		return $xml->getElementByTagName('loggers');
+	}
+
+	protected function initLogger($xml)
+	{
+		TEzcLoggerLoader::using('ezcLog');
+		TEzcLoggerLoader::using('ezcLogMap');
+		TEzcLoggerLoader::using('ezcLogContext');
+		TEzcLoggerLoader::using('ezcLogFilter');
+		$loggers = $xml->getElementsByTagName('logger');
+		$log = ezcLog::getInstance();
+		foreach($loggers as $logger)
+		{
+			$filters = $logger->getElementsByTagName('filter');
+			$logWriter = $this->getLogWriter($logger);
+			foreach($filters as $filter)
+			{
+				$logFilter = new ezcLogFilter();
+				$Severity = $filter->getAttribute('severity');
+				$logFilter->severity = $this->getFilterSeverity($Severity);
+				$map = $filter->getAttribute('disabled') ? 'unmap' : 'map';
+				$log->$map($logFilter, $logWriter);
+			}
+		}
+	}
+
+	protected function getLogWriter($xml)
+	{
+		switch($xml->getAttribute('destination'))
+		{
+			case 'file' : 
+				return TEzcLoggerUnixFileWriterFactory::create($xml);
+			default : 
+				throw new TException('invalid_log_destination');
+		}
+	}
+
+	protected function getFilterSeverity($string)
+	{
+		if(empty($string))
+			$string = $this->defaultServerity;
+		$serverities = explode("|", $string);
+		$mask = 0;
+		foreach($serverities as $Severity)
+			$mask = $mask | $this->getSeverity($Severity);			
+		return $mask;
+	}
+
+	private function getSeverity($string)
+	{
+		switch(strtolower(trim($string)))
+		{
+            case 'debug': return ezcLog::DEBUG;
+			case 'success audit' : return ezcLog::SUCCESS_AUDIT;
+            case 'failed audit' : return ezcLog::FAILED_AUDIT;
+			case 'info' : return ezcLog::INFO;
+			case 'notice' : return ezcLog::NOTICE;
+			case 'warn' : return ezcLog::WARNING;
+			case 'error' : return ezcLog::ERROR;
+			case 'fatal' : return ezcLog::FATAL;
+		}
+		return 0;
+	}
+}
+
+
+/**
+ * ${classname}
+ *
+ * ${description}
+ *
+ * @author Wei Zhuo<weizhuo[at]gmail[dot]com>
+ * @version $Revision: 1.66 $  $Date: ${DATE} ${TIME} $
+ * @package ${package}
+ */
+class TEzcLoggerUnixFileWriterFactory
+{
+	public static function create($xml)
+	{
+		TEzcLoggerLoader::using('ezcLogWriter');
+		TEzcLoggerLoader::using('ezcLogWriterFile');
+		TEzcLoggerLoader::using('ezcLogWriterUnixFile');
+		
+		$dir = $xml->getAttribute('directory');
+		$file = $xml->getAttribute('filename');
+		if(empty($file)) $file = 'prado.log';
+		return new ezcLogWriterUnixFile($dir, $file);
+	}
+}
+
+/**
+ * ${classname}
+ *
+ * ${description}
+ *
+ * @author Wei Zhuo<weizhuo[at]gmail[dot]com>
+ * @version $Revision: 1.66 $  $Date: ${DATE} ${TIME} $
+ * @package ${package}
+ */
+class TEzcLoggerLoader
+{
+	public static function using($class)
+	{
+		if(class_exists($class, false)) return;
+		static $classes;
+		$base = dirname(__FILE__);
+		if(is_null($classes))
+			$classes = include($base.'/EventLog/log_autoload.php');
+		require_once($base.'/'.$classes[$class]);
+	}
+}
+
+?>
\ No newline at end of file
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