Logger.php

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<?php
 
namespace Ubiquity\log;
 
abstract class Logger {
    private static $instance;
    private static $active;
 
    private static function createLogger(&$config) {
        if (\is_callable ( $logger = $config ['logger'] )) {
            $instance = $logger ();
        } else {
            $instance = $config ['logger'];
        }
        if ($instance instanceof Logger) {
            self::$instance = $instance;
        }
    }
 
    abstract public function _registerError();
 
    public static function registerError() {
        self::$instance->_registerError ();
    }
 
    public static function inContext($contexts, $context) {
        if ($contexts === null) {
            return true;
        }
        return \array_search ( $context, $contexts ) !== false;
    }
 
    public static function init(&$config,$application=false) {
        if (($application || $config ['debug'] === true) && (self::$active = isset ( $config ['logger'] ))) {
            self::createLogger ( $config );
        }
    }
 
    public static function log($level, $context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_log ( $level, $context, $message, $part, $extra );
        }
    }
 
    public static function info($context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_info ( $context, $message, $part, $extra );
        }
    }
 
    public static function warn($context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_warn ( $context, $message, $part, $extra );
        }
    }
 
    public static function error($context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_error ( $context, $message, $part, $extra );
        }
    }
 
    public static function critical($context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_critical ( $context, $message, $part, $extra );
        }
    }
 
    public static function alert($context, $message, $part = null, $extra = null) {
        if (self::$active){
            self::$instance->_alert ( $context, $message, $part, $extra );
        }
    }
    
    public static function appLog($level, $context, $message, $part = null, $extra = null) {
        self::$instance->_log ( $level, $context, $message, $part, $extra );
    }
    
    public static function appInfo($context, $message, $part = null, $extra = null) {
        self::$instance->_info ( $context, $message, $part, $extra );
    }
    
    public static function appWarn($context, $message, $part = null, $extra = null) {
        self::$instance->_warn ( $context, $message, $part, $extra );
    }
    
    public static function appError($context, $message, $part = null, $extra = null) {
        self::$instance->_error ( $context, $message, $part, $extra );
    }
    
    public static function appCritical($context, $message, $part = null, $extra = null) {
        self::$instance->_critical ( $context, $message, $part, $extra );
    }
    
    public static function appAlert($context, $message, $part = null, $extra = null) {
        self::$instance->_alert ( $context, $message, $part, $extra );
    }
 
    public static function asObjects($reverse = true, $maxlines = 10, $contexts = null) {
        if (isset ( self::$instance ) && self::$active){
            return self::$instance->_asObjects ( $reverse, $maxlines, $contexts );
        }
        return [ ];
    }
 
    public static function clearAll() {
        if (self::$active) {
            self::$instance->_clearAll ();
        }
    }
 
    public static function close() {
        if (self::$active) {
            self::$instance->_close ();
        }
    }
 
    abstract public function _log($level, $context, $message, $part, $extra);
 
    abstract public function _info($context, $message, $part, $extra);
 
    abstract public function _warn($context, $message, $part, $extra);
 
    abstract public function _error($context, $message, $part, $extra);
 
    abstract public function _critical($context, $message, $part, $extra);
 
    abstract public function _alert($context, $message, $part, $extra);
 
    abstract public function _asObjects($reverse = true, $maxlines = 10, $contexts = null);
 
    abstract public function _clearAll();
 
    abstract public function _close();
 
    public static function isActive() {
        return self::$active;
    }
}