Initial xentral_oss_20.3.c9ffacf

classes/Components/Logger/Handler/AbstractLogHandler.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Xentral\Components\Logger\Handler;
+
+use Xentral\Components\Logger\Exception\InvalidArgumentException;
+use Xentral\Components\Logger\LogLevel;
+
+abstract class AbstractLogHandler implements LogHandlerInterface
+{
+    /** @var int[] LEVEL_ORDER */
+    protected const LEVEL_ORDER = [
+        LogLevel::EMERGENCY => 8,
+        LogLevel::ALERT     => 7,
+        LogLevel::CRITICAL  => 6,
+        LogLevel::ERROR     => 5,
+        LogLevel::WARNING   => 4,
+        LogLevel::NOTICE    => 3,
+        LogLevel::INFO      => 2,
+        LogLevel::DEBUG     => 1,
+    ];
+
+    /** @var string $minimumLevel */
+    protected $minimumLevel;
+
+    /**
+     * @param string $level
+     *
+     * @return void
+     */
+    protected function setMinimumLevel(string $level): void
+    {
+        if (!array_key_exists($level, self::LEVEL_ORDER)) {
+            throw new InvalidArgumentException(sprintf('Unrecognised loglevel "%s".', $level));
+        }
+
+        $this->minimumLevel = $level;
+    }
+
+    /**
+     * @param string $level
+     *
+     * @return bool
+     */
+    public function canHandle(string $level): bool
+    {
+        if (!array_key_exists($level, self::LEVEL_ORDER)) {
+            return false;
+        }
+
+        return self::LEVEL_ORDER[$level] >= self::LEVEL_ORDER[$this->minimumLevel];
+    }
+}