Fix Logger use

[openflowjava.git] / simple-client / src / main / java / org / opendaylight / openflowjava / protocol / impl / clients / WaitForMessageEvent.java

diff --git a/simple-client/src/main/java/org/opendaylight/openflowjava/protocol/impl/clients/WaitForMessageEvent.java b/simple-client/src/main/java/org/opendaylight/openflowjava/protocol/impl/clients/WaitForMessageEvent.java
index bcf696e95b6e3b96d5ae60dca71e2e0be6d2dabe..b448111a85e7a74af188462091945cfdea36ac1a 100644 (file)
--- a/simple-client/src/main/java/org/opendaylight/openflowjava/protocol/impl/clients/WaitForMessageEvent.java
+++ b/simple-client/src/main/java/org/opendaylight/openflowjava/protocol/impl/clients/WaitForMessageEvent.java
@@ -40,8 +40,10 @@ public class WaitForMessageEvent implements ClientEvent {
             return false;
         }
         if (!Arrays.equals(headerExpected, headerReceived)) {
-            LOGGER.debug("expected msg: " + ByteBufUtils.bytesToHexString(headerExpected));
-            LOGGER.debug("received msg: " + ByteBufUtils.bytesToHexString(headerReceived));
+            if (LOGGER.isDebugEnabled()) {
+                LOGGER.debug("expected msg: {}", ByteBufUtils.bytesToHexString(headerExpected));
+                LOGGER.debug("received msg: {}", ByteBufUtils.bytesToHexString(headerReceived));
+            }
             return false;
         }
         LOGGER.debug("Headers OK");