From e622a8fc94b59459142a19dd61185d73148537ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20H=C3=A4rtl?= <haertl.mike@gmail.com>
Date: Thu, 16 Feb 2017 12:47:20 +0100
Subject: [PATCH] Issue #2 Check fp only when necessary

---
 src/Target.php | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/Target.php b/src/Target.php
index 179bd4c..fe4447b 100644
--- a/src/Target.php
+++ b/src/Target.php
@@ -48,15 +48,16 @@ public function init() {
             }
             $this->fp = @fopen($this->url,'w');
             if ($this->fp===false) {
-                throw new InvalidConfigException("Unable to append to '{$this->url}'");
+                throw new InvalidConfigException("Unable to open '{$this->url}' for writing.");
+            }
+        } else {
+            if (!is_resource($this->fp)) {
+                throw new InvalidConfigException("Invalid resource.");
+            }
+            $metadata = stream_get_meta_data($this->fp);
+            if ($metadata['mode']!=='w') {
+                throw new InvalidConfigException("Resource is not writeable.");
             }
-        }
-        if (!is_resource($this->fp)) {
-            throw new InvalidConfigException("Invalid resource.");
-        }
-        $metadata = stream_get_meta_data($this->fp);
-        if ($metadata['mode']!=='w') {
-            throw new InvalidConfigException("Resource is not writeable.");
         }
     }