new exceptions and handler for log writer file

conlite/classes/Exceptions/FileNotFoundException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace ConLite\Exceptions;
+
+class FileNotFoundException extends RuntimeException
+{
+
+}

conlite/classes/Exceptions/RuntimeException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace ConLite\Exceptions;
+
+class RuntimeException extends Exception
+{
+
+}

conlite/classes/Log/LogWriterFile.php

@@ -2,7 +2,49 @@
 
 namespace ConLite\Log;
 
+use ConLite\Exceptions\Exception;
+use ConLite\Exceptions\FileNotFoundException;
+
 class LogWriterFile extends LogWriter
 {
+    /**
+     * @var resource
+     */
+    protected $handle = NULL;
 
+    /**
+     * @throws FileNotFoundException
+     * @throws Exception
+     */
+    public function __construct(array $options = []) {
+        parent::__construct($options);
+
+        $this->createHandle();
+    }
+
+    /**
+     * @param string $message
+     * @param int $priority
+     * @return bool
+     */
+    public function write($message, $priority): bool
+    {
+        return fwrite($this->handle, $message) != false;
+    }
+
+    /**
+     * @throws Exception
+     * @throws FileNotFoundException
+     */
+    protected function createHandle(): void
+    {
+        $destination = $this->getOption('destination');
+        if ($destination == '') {
+            throw new Exception('No destination was specified.');
+        }
+
+        if (($this->handle = fopen($destination, 'a')) === false) {
+            throw new FileNotFoundException('Destination handle could not be created.');
+        }
+    }
 }