My first commit of codes

vendor/league/flysystem/src/Handler.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace League\Flysystem;
+
+abstract class Handler
+{
+    /**
+     * @var string
+     */
+    protected $path;
+
+    /**
+     * @var FilesystemInterface
+     */
+    protected $filesystem;
+
+    /**
+     * Constructor.
+     *
+     * @param FilesystemInterface $filesystem
+     * @param string              $path
+     */
+    public function __construct(FilesystemInterface $filesystem = null, $path = null)
+    {
+        $this->path = $path;
+        $this->filesystem = $filesystem;
+    }
+
+    /**
+     * Check whether the entree is a directory.
+     *
+     * @return bool
+     */
+    public function isDir()
+    {
+        return $this->getType() === 'dir';
+    }
+
+    /**
+     * Check whether the entree is a file.
+     *
+     * @return bool
+     */
+    public function isFile()
+    {
+        return $this->getType() === 'file';
+    }
+
+    /**
+     * Retrieve the entree type (file|dir).
+     *
+     * @return string file or dir
+     */
+    public function getType()
+    {
+        $metadata = $this->filesystem->getMetadata($this->path);
+
+        return $metadata['type'];
+    }
+
+    /**
+     * Set the Filesystem object.
+     *
+     * @param FilesystemInterface $filesystem
+     *
+     * @return $this
+     */
+    public function setFilesystem(FilesystemInterface $filesystem)
+    {
+        $this->filesystem = $filesystem;
+
+        return $this;
+    }
+
+    /**
+     * Set the entree path.
+     *
+     * @param string $path
+     *
+     * @return $this
+     */
+    public function setPath($path)
+    {
+        $this->path = $path;
+
+        return $this;
+    }
+
+    /**
+     * Retrieve the entree path.
+     *
+     * @return string path
+     */
+    public function getPath()
+    {
+        return $this->path;
+    }
+}