1 files changed, 36 insertions, 14 deletions

diff --git a/src/Monolog/Handler/HandlerWrapper.php b/src/Monolog/Handler/HandlerWrapper.php
index e540d80..28fe57d 100644
--- a/src/Monolog/Handler/HandlerWrapper.php
+++ b/src/Monolog/Handler/HandlerWrapper.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 /*
  * This file is part of the Monolog package.
@@ -30,7 +30,7 @@ use Monolog\Formatter\FormatterInterface;
  *
  * @author Alexey Karapetov <alexey@karapetov.com>
  */
-class HandlerWrapper implements HandlerInterface
+class HandlerWrapper implements HandlerInterface, ProcessableHandlerInterface, FormattableHandlerInterface
 {
     /**
      * @var HandlerInterface
@@ -49,7 +49,7 @@ class HandlerWrapper implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function isHandling(array $record)
+    public function isHandling(array $record): bool
     {
         return $this->handler->isHandling($record);
     }
@@ -57,7 +57,7 @@ class HandlerWrapper implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function handle(array $record)
+    public function handle(array $record): bool
     {
         return $this->handler->handle($record);
     }
@@ -73,36 +73,58 @@ class HandlerWrapper implements HandlerInterface
     /**
      * {@inheritdoc}
      */
-    public function pushProcessor($callback)
+    public function close()
     {
-        $this->handler->pushProcessor($callback);
+        return $this->handler->close();
+    }
 
-        return $this;
+    /**
+     * {@inheritdoc}
+     */
+    public function pushProcessor(callable $callback): HandlerInterface
+    {
+        if ($this->handler instanceof ProcessableHandlerInterface) {
+            $this->handler->pushProcessor($callback);
+
+            return $this;
+        }
+
+        throw new \LogicException('The wrapped handler does not implement ' . ProcessableHandlerInterface::class);
     }
 
     /**
      * {@inheritdoc}
      */
-    public function popProcessor()
+    public function popProcessor(): callable
     {
-        return $this->handler->popProcessor();
+        if ($this->handler instanceof ProcessableHandlerInterface) {
+            return $this->handler->popProcessor();
+        }
+
+        throw new \LogicException('The wrapped handler does not implement ' . ProcessableHandlerInterface::class);
     }
 
     /**
      * {@inheritdoc}
      */
-    public function setFormatter(FormatterInterface $formatter)
+    public function setFormatter(FormatterInterface $formatter): HandlerInterface
     {
-        $this->handler->setFormatter($formatter);
+        if ($this->handler instanceof FormattableHandlerInterface) {
+            $this->handler->setFormatter($formatter);
+        }
 
-        return $this;
+        throw new \LogicException('The wrapped handler does not implement ' . FormattableHandlerInterface::class);
     }
 
     /**
      * {@inheritdoc}
      */
-    public function getFormatter()
+    public function getFormatter(): FormatterInterface
     {
-        return $this->handler->getFormatter();
+        if ($this->handler instanceof FormattableHandlerInterface) {
+            return $this->handler->getFormatter($formatter);
+        }
+
+        throw new \LogicException('The wrapped handler does not implement ' . FormattableHandlerInterface::class);
     }
 }