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committed missing log lib

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commit 5d9af1999c6b9d3148eee632979d71f5f6f57de1 1 parent 3faf0f6
Demian Turner authored
Showing with 425 additions and 0 deletions.
  1. +425 −0 src/lib/Zend/Log.php
425 src/lib/Zend/Log.php
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+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Log
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Log.php 20893 2010-02-03 22:59:25Z yoshida@zend.co.jp $
+ */
+
+/**
+ * @category Zend
+ * @package Zend_Log
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Log.php 20893 2010-02-03 22:59:25Z yoshida@zend.co.jp $
+ */
+class 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
+
+ /**
+ * @var array of priorities where the keys are the
+ * priority numbers and the values are the priority names
+ */
+ protected $_priorities = array();
+
+ /**
+ * @var array of Zend_Log_Writer_Abstract
+ */
+ protected $_writers = array();
+
+ /**
+ * @var array of Zend_Log_Filter_Interface
+ */
+ protected $_filters = array();
+
+ /**
+ * @var array of extra log event
+ */
+ protected $_extras = array();
+
+ /**
+ *
+ * @var string
+ */
+ protected $_defaultWriterNamespace = 'Zend_Log_Writer';
+
+ /**
+ *
+ * @var string
+ */
+ protected $_defaultFilterNamespace = 'Zend_Log_Filter';
+
+
+ /**
+ * Class constructor. Create a new logger
+ *
+ * @param Zend_Log_Writer_Abstract|null $writer default writer
+ */
+ public function __construct(Zend_Log_Writer_Abstract $writer = null)
+ {
+ $r = new ReflectionClass($this);
+ $this->_priorities = array_flip($r->getConstants());
+
+ if ($writer !== null) {
+ $this->addWriter($writer);
+ }
+ }
+
+ /**
+ * 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
+ */
+ static public 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');
+ }
+
+ $log = new Zend_Log;
+
+ if (!is_array(current($config))) {
+ $log->addWriter(current($config));
+ } else {
+ foreach($config as $writer) {
+ $log->addWriter($writer);
+ }
+ }
+
+ return $log;
+ }
+
+
+ /**
+ * Construct a writer object based on a configuration array
+ *
+ * @param array $spec config array with writer spec
+ * @return Zend_Log_Writer_Abstract
+ */
+ protected function _constructWriterFromConfig($config)
+ {
+ $writer = $this->_constructFromConfig('writer', $config, $this->_defaultWriterNamespace);
+
+ if (!$writer instanceof Zend_Log_Writer_Abstract) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception("{$writerName} does not extend Zend_Log_Writer_Abstract!");
+ }
+
+ if (isset($config['filterName'])) {
+ $filter = $this->_constructFilterFromConfig($config);
+ $writer->addFilter($filter);
+ }
+
+ return $writer;
+ }
+
+ /**
+ * Construct filter object from configuration array or Zend_Config object
+ *
+ * @param array|Zend_Config $config Zend_Config or Array
+ * @return Zend_Log_Filter_Interface
+ */
+ protected function _constructFilterFromConfig($config)
+ {
+ $filter = $this->_constructFromConfig('filter', $config, $this->_defaultFilterNamespace);
+
+ if (!$filter instanceof Zend_Log_Filter_Interface) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception("{$filterName} does not implement Zend_Log_Filter_Interface");
+ }
+
+ return $filter;
+ }
+
+ /**
+ * Construct a filter or writer from config
+ *
+ * @param string $type 'writer' of 'filter'
+ * @param mixed $config Zend_Config or Array
+ * @param string $namespace
+ * @return object
+ */
+ protected function _constructFromConfig($type, $config, $namespace)
+ {
+ if ($config instanceof Zend_Config) {
+ $config = $config->toArray();
+ }
+
+ if (!is_array($config) || empty($config)) {
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception(
+ 'Configuration must be an array or instance of Zend_Config'
+ );
+ }
+
+ $params = isset($config[ $type .'Params' ]) ? $config[ $type .'Params' ] : array();
+ $className = $this->getClassName($config, $type, $namespace);
+ if (!class_exists($className)) {
+ require_once 'Zend/Loader.php';
+ Zend_Loader::loadClass($className);
+ }
+
+ $reflection = new ReflectionClass($className);
+ if (!$reflection->implementsInterface('Zend_Log_FactoryInterface')) {
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception(
+ 'Driver does not implement Zend_Log_FactoryInterface and can not be constructed from config.'
+ );
+ }
+
+ return call_user_func(array($className, 'factory'), $params);
+ }
+
+ /**
+ * 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' ];
+
+ $namespace = $defaultNamespace;
+ if (isset($config[ $type . 'Namespace' ])) {
+ $namespace = $config[ $type . 'Namespace' ];
+ }
+
+ $fullClassName = $namespace . '_' . $className;
+ return $fullClassName;
+ }
+
+ /**
+ * Class destructor. Shutdown log writers
+ *
+ * @return void
+ */
+ public function __destruct()
+ {
+ foreach($this->_writers as $writer) {
+ $writer->shutdown();
+ }
+ }
+
+ /**
+ * Undefined method handler allows a shortcut:
+ * $log->priorityName('message')
+ * instead of
+ * $log->log('message', Zend_Log::PRIORITY_NAME)
+ *
+ * @param string $method priority name
+ * @param string $params message to log
+ * @return void
+ * @throws Zend_Log_Exception
+ */
+ public function __call($method, $params)
+ {
+ $priority = strtoupper($method);
+ if (($priority = array_search($priority, $this->_priorities)) !== false) {
+ switch (count($params)) {
+ case 0:
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('Missing log message');
+ case 1:
+ $message = array_shift($params);
+ $extras = null;
+ break;
+ default:
+ $message = array_shift($params);
+ $extras = array_shift($params);
+ break;
+ }
+ $this->log($message, $priority, $extras);
+ } else {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('Bad log priority');
+ }
+ }
+
+ /**
+ * Log a message at a priority
+ *
+ * @param string $message Message to log
+ * @param integer $priority Priority of message
+ * @param mixed $extras Extra information to log in event
+ * @return void
+ * @throws Zend_Log_Exception
+ */
+ public function log($message, $priority, $extras = null)
+ {
+ // sanity checks
+ if (empty($this->_writers)) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('No writers were added');
+ }
+
+ if (! isset($this->_priorities[$priority])) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('Bad log priority');
+ }
+
+ // pack into event required by filters and writers
+ $event = array_merge(array('timestamp' => date('c'),
+ 'message' => $message,
+ 'priority' => $priority,
+ 'priorityName' => $this->_priorities[$priority]),
+ $this->_extras);
+
+ // Check to see if any extra information was passed
+ if (!empty($extras)) {
+ $info = array();
+ if (is_array($extras)) {
+ foreach ($extras as $key => $value) {
+ if (is_string($key)) {
+ $event[$key] = $value;
+ } else {
+ $info[] = $value;
+ }
+ }
+ } else {
+ $info = $extras;
+ }
+ if (!empty($info)) {
+ $event['info'] = $info;
+ }
+ }
+
+ // abort if rejected by the global filters
+ foreach ($this->_filters as $filter) {
+ if (! $filter->accept($event)) {
+ return;
+ }
+ }
+
+ // send to each writer
+ foreach ($this->_writers as $writer) {
+ $writer->write($event);
+ }
+ }
+
+ /**
+ * Add a custom priority
+ *
+ * @param string $name Name of priority
+ * @param integer $priority Numeric priority
+ * @throws Zend_Log_InvalidArgumentException
+ */
+ public function addPriority($name, $priority)
+ {
+ // Priority names must be uppercase for predictability.
+ $name = strtoupper($name);
+
+ if (isset($this->_priorities[$priority])
+ || array_search($name, $this->_priorities)) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('Existing priorities cannot be overwritten');
+ }
+
+ $this->_priorities[$priority] = $name;
+ }
+
+ /**
+ * Add a filter that will be applied before all log writers.
+ * Before a message will be received by any of the writers, it
+ * must be accepted by all filters added with this method.
+ *
+ * @param int|Zend_Log_Filter_Interface $filter
+ * @return void
+ */
+ public function addFilter($filter)
+ {
+ if (is_integer($filter)) {
+ /** @see Zend_Log_Filter_Priority */
+ require_once 'Zend/Log/Filter/Priority.php';
+ $filter = new Zend_Log_Filter_Priority($filter);
+
+ } elseif ($filter instanceof Zend_Config || is_array($filter)) {
+ $filter = $this->_constructFilterFromConfig($filter);
+
+ } elseif(! $filter instanceof Zend_Log_Filter_Interface) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception('Invalid filter provided');
+ }
+
+ $this->_filters[] = $filter;
+ }
+
+ /**
+ * Add a writer. A writer is responsible for taking a log
+ * message and writing it out to storage.
+ *
+ * @param mixed $writer Zend_Log_Writer_Abstract or Config array
+ * @return void
+ */
+ public function addWriter($writer)
+ {
+ if (is_array($writer) || $writer instanceof Zend_Config) {
+ $writer = $this->_constructWriterFromConfig($writer);
+ }
+
+ if (!$writer instanceof Zend_Log_Writer_Abstract) {
+ /** @see Zend_Log_Exception */
+ require_once 'Zend/Log/Exception.php';
+ throw new Zend_Log_Exception(
+ 'Writer must be an instance of Zend_Log_Writer_Abstract'
+ . ' or you should pass a configuration array'
+ );
+ }
+
+ $this->_writers[] = $writer;
+ }
+
+ /**
+ * Set an extra item to pass to the log writers.
+ *
+ * @param $name Name of the field
+ * @param $value Value of the field
+ * @return void
+ */
+ public function setEventItem($name, $value) {
+ $this->_extras = array_merge($this->_extras, array($name => $value));
+ }
+}
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