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ZeedFramework/library/Zeed/Log.php

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+<?php
+/**
+ * Zeed Platform Project
+ * Based on Zeed Framework & Zend Framework.
+ *
+ * BTS - Billing Transaction Service
+ * CAS - Central Authentication Service
+ *
+ * LICENSE
+ * http://www.zeed.com.cn/license/
+ *
+ * @category   Zeed
+ * @package    Zeed_Log
+ * @copyright  Copyright (c) 2010 Zeed Technologies PRC Inc. (http://www.zeed.com.cn)
+ * @author     Zeed Team (http://blog.zeed.com.cn)
+ * @since      2010-6-30
+ * @version    SVN: $Id: Log.php 6710 2010-09-08 13:51:53Z xsharp $
+ */
+
+/**
+ * @todo Zend_Log 的代码又是一陀一陀，需要简化
+ * @author Nroe
+ */
+class Zeed_Log extends Zend_Log
+{
+    const EMERG   = 0;  // Emergency: system is unusable
+    const ALERT   = 1;  // Alert: action must be taken immediately
+    const CRIT    = 2;  // Critical: critical conditions
+    const ERR     = 3;  // Error: error conditions
+    const WARN    = 4;  // Warning: warning conditions
+    const NOTICE  = 5;  // Notice: normal but significant condition
+    const INFO    = 6;  // Informational: informational messages
+    const DEBUG   = 7;  // Debug: debug messages
+
+    public static function instance()
+    {
+        $logConfig = Zeed_Config::loadGroup('log');
+        $log = self::factory($logConfig);
+        return $log;
+    }
+
+    /**
+     * Factory to construct the logger and one or more writers
+     * based on the configuration array
+     *
+     * @param  array|Zend_Config Array or instance of Zend_Config
+     * @return Zend_Log
+     */
+    public static function factory($config = array())
+    {
+        if ($config instanceof Zend_Config) {
+            $config = $config->toArray();
+        }
+
+        if (!is_array($config) || empty($config)) {
+            /** @see Zend_Log_Exception */
+            require_once 'Zend/Log/Exception.php';
+            throw new Zend_Log_Exception('Configuration must be an array or instance of Zend_Config');
+        }
+
+        $log = new Zeed_Log();
+
+        if (!is_array(current($config))) {
+            $log->addWriter(current($config));
+        } else {
+            foreach($config as $writer) {
+                $log->addWriter($writer);
+            }
+        }
+
+        /**
+         * 设置 LOG EVENT 变量
+         */
+        $dateFormat = defined('DATETIME_FORMAT') ? DATETIME_FORMAT : 'Y-m-d H:i:s';
+        $log->setEventItem('timestamp', date($dateFormat));
+
+        return $log;
+    }
+
+    public function addWriter($writer)
+    {
+        if (is_array($writer) || $writer instanceof  Zend_Config) {
+            $writerInstance = $this->_constructWriterFromConfig($writer);
+            /**
+             * 设置 Formatting
+             */
+            if (isset($writer['formatter'])) {
+                $formatterParam = isset($writer['formatterParam']) ? $writer['formatterParam'] : null;
+                $writerInstance->setFormatter( new $writer['formatter']($formatterParam) );
+            }
+
+            $writer = $writerInstance;
+        }
+
+        if (!$writer instanceof Zend_Log_Writer_Abstract) {
+            /** @see Zend_Log_Exception */
+            throw new Zeed_Exception(
+                'Writer must be an instance of Zend_Log_Writer_Abstract'
+                . ' or you should pass a configuration array'
+            );
+        }
+
+        $this->_writers[] = $writer;
+    }
+
+    /**
+     * Get the writer or filter full classname
+     *
+     * @param array $config
+     * @param string $type filter|writer
+     * @param string $defaultNamespace
+     * @return string full classname
+     */
+    protected function getClassName($config, $type, $defaultNamespace)
+    {
+        if (!isset($config[ $type . 'Name' ])) {
+            require_once 'Zend/Log/Exception.php';
+            throw new Zend_Log_Exception("Specify {$type}Name in the configuration array");
+        }
+        $className = $config[ $type . 'Name' ];
+
+        if (strpos($className, 'Zeed_Log_') === 0) {
+            return $className;
+        }
+
+        $namespace = $defaultNamespace;
+        if (isset($config[ $type . 'Namespace' ])) {
+            $namespace = $config[ $type . 'Namespace' ];
+        }
+
+        $fullClassName = $namespace . '_' . $className;
+
+        return $fullClassName;
+    }
+
+    public function getWriters()
+    {
+        return $this->_writers;
+    }
+
+}
+
+// End ^ LF ^ UTF-8