From 35a37b737084bf91be07d006a6d545b4b0fb659d Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Mon, 17 Jun 2019 21:21:18 +0200
Subject: fix some NPE

---
 src/main/java/de/pixart/messenger/persistance/FileBackend.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/main/java/de/pixart/messenger/persistance/FileBackend.java')

diff --git a/src/main/java/de/pixart/messenger/persistance/FileBackend.java b/src/main/java/de/pixart/messenger/persistance/FileBackend.java
index 8fb5aa406..39c743185 100644
--- a/src/main/java/de/pixart/messenger/persistance/FileBackend.java
+++ b/src/main/java/de/pixart/messenger/persistance/FileBackend.java
@@ -433,11 +433,13 @@ public class FileBackend {
             is = mXmppConnectionService.getContentResolver().openInputStream(uri);
             byte[] buffer = new byte[1024];
             int length;
-            while ((length = is.read(buffer)) > 0) {
+            while ((length = is != null ? is.read(buffer) : 0) > 0) {
                 try {
                     os.write(buffer, 0, length);
                 } catch (IOException e) {
                     throw new FileWriterException();
+                } catch (Exception e) {
+                    throw new FileWriterException();
                 }
             }
             try {
@@ -452,6 +454,9 @@ public class FileBackend {
         } catch (IOException e) {
             e.printStackTrace();
             throw new FileCopyException(R.string.error_io_exception);
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw new FileCopyException(R.string.error_unable_to_create_temporary_file);
         } finally {
             close(os);
             close(is);
-- 
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