use psr3-bridge.

composer.json

@@ -11,7 +11,8 @@
     "license": "Apache-2.0",
     "require": {
     	"laravel/framework": "~5.1|~6.0",
-    	"casbin/casbin": "~1.0"
+    	"casbin/casbin": "~1.0",
+        "casbin/psr3-bridge": "^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~5.7|~6.0|~7.0|~8.0",

config/lauthz.php

@@ -39,8 +39,8 @@ return [
             // changes whether Lauthz will log messages to the Logger.
             'enabled' => false,
 
-            // Casbin Logger
-            'logger' => Lauthz\Logger::class,
+            // Casbin Logger, Supported: \Psr\Log\LoggerInterface|string
+            'logger' => 'log',
         ],
 
         'cache' => [

src/EnforcerManager.php

@@ -2,6 +2,7 @@
 
 namespace Lauthz;
 
+use Casbin\Bridge\Logger\LoggerBridge;
 use Casbin\Enforcer;
 use Casbin\Model\Model;
 use Casbin\Log\Log;
@@ -77,7 +78,11 @@ class EnforcerManager implements Factory
         }
 
         if ($logger = Arr::get($config, 'log.logger')) {
-            Log::setLogger(new $logger($this->app['log']));
+            if (is_string($logger)) {
+                $logger = $this->app->make($logger);
+            }
+
+            Log::setLogger(new LoggerBridge($logger));
         }
 
         $model = new Model();

src/Logger.php

@@ -1,79 +0,0 @@
-<?php
-
-namespace Lauthz;
-
-use Casbin\Log\Logger as LoggerContract;
-use Psr\Log\LoggerInterface;
-
-class Logger implements LoggerContract
-{
-    public $enable = false;
-
-    /**
-     * @var LoggerInterface
-     */
-    protected $logger;
-
-    public function __construct(LoggerInterface $logger)
-    {
-        $this->logger = $logger;
-    }
-
-    /**
-     * controls whether print the message.
-     *
-     * @param bool $enable
-     */
-    public function enableLog($enable)
-    {
-        $this->enable = $enable;
-    }
-
-    /**
-     * returns if logger is enabled.
-     *
-     * @return bool
-     */
-    public function isEnabled()
-    {
-        return $this->enable;
-    }
-
-    /**
-     * formats using the default formats for its operands and logs the message.
-     *
-     * @param mixed ...$v
-     *
-     * @return mixed
-     */
-    public function write(...$v)
-    {
-        if (!$this->enable) {
-            return;
-        }
-        $content = '';
-        foreach ($v as $value) {
-            if (\is_array($value) || \is_object($value)) {
-                $value = json_encode($value);
-            }
-            $content .= $value;
-        }
-        $this->logger->info($content);
-    }
-
-    /**
-     * formats according to a format specifier and logs the message.
-     *
-     * @param $format
-     * @param mixed ...$v
-     *
-     * @return mixed
-     */
-    public function writef($format, ...$v)
-    {
-        if (!$this->enable) {
-            return;
-        }
-        $this->logger->info(sprintf($format, ...$v));
-    }
-}

tests/LoggerTest.php

@@ -1,39 +0,0 @@
-<?php
-
-namespace Lauthz\Tests;
-
-use Mockery as m;
-use Monolog\Logger as Monolog;
-use Lauthz\Logger;
-
-class LoggerTest extends TestCase
-{
-    public function testLogger()
-    {
-        if (class_exists(\Illuminate\Log\Logger::class)) {
-            $writer = new \Illuminate\Log\Logger($monolog = m::mock(Monolog::class));
-        } else {
-            $writer = new \Illuminate\Log\Writer($monolog = m::mock(Monolog::class));
-        }
-
-        $logger = new Logger($writer);
-
-        $logger->enableLog(false);
-        $this->assertFalse($logger->isEnabled());
-
-        $logger->enableLog(true);
-        $this->assertTrue($logger->isEnabled());
-
-        $monolog->shouldReceive('info')->once()->with('foo', []);
-        $logger->write('foo');
-
-        $monolog->shouldReceive('info')->once()->with('foo1foo2', []);
-        $logger->write('foo1', 'foo2');
-
-        $monolog->shouldReceive('info')->once()->with(json_encode(['foo1', 'foo2']), []);
-        $logger->write(['foo1', 'foo2']);
-
-        $monolog->shouldReceive('info')->once()->with(sprintf('There are %u million cars in %s.', 2, 'Shanghai'), []);
-        $logger->writef('There are %u million cars in %s.', 2, 'Shanghai');
-    }
-}