prevent string concatenation for disabled loggers

1 files changed, 5 insertions, 2 deletions

diff --git a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
index d411179c..7da2099e 100644
--- a/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
+++ b/juick-xmpp-ft/src/main/java/com/juick/components/XMPPFTServer.java
@@ -40,7 +40,10 @@ public class XMPPFTServer implements AutoCloseable {
         FileTransferManager fileTransferManager = component.getManager(FileTransferManager.class);
         fileTransferManager.addFileTransferOfferListener(e -> {
             try {
-                List<String> allowedTypes = new ArrayList<String>() {{ add("png"); add("jpg"); }};
+                List<String> allowedTypes = new ArrayList<String>() {{
+                    add("png");
+                    add("jpg");
+                }};
                 String attachmentExtension = FilenameUtils.getExtension(e.getName()).toLowerCase();
                 String targetFilename = String.format("%s.%s",
                         DigestUtils.md5Hex(String.format("%s-%s",
@@ -49,7 +52,7 @@ public class XMPPFTServer implements AutoCloseable {
                     Path filePath = Paths.get(tmpDir, targetFilename);
                     FileTransfer ft = e.accept(filePath).get();
                     ft.addFileTransferStatusListener(st -> {
-                        logger.debug(String.format("%s: received %d of %d", e.getName(), st.getBytesTransferred(), e.getSize()));
+                        logger.debug("{}: received {} of {}", e.getName(), st.getBytesTransferred(), e.getSize());
                         if (ft.isDone()) {
                             logger.info("transfer completed");
                             Message msg = new Message();