Fix checkstyle warnings in netconf-netty-util

[controller.git] / opendaylight / netconf / netconf-netty-util / src / main / java / org / opendaylight / controller / netconf / nettyutil / handler / ssh / client / AsyncSshHandler.java

diff --git a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/ssh/client/AsyncSshHandler.java b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/ssh/client/AsyncSshHandler.java
index fa7d0900edc805ebd45f3b2edce8a21d46cfb031..14d753f1f8b59c25a7ea871e3bfe5e430c1d9970 100644 (file)
--- a/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/ssh/client/AsyncSshHandler.java
+++ b/opendaylight/netconf/netconf-netty-util/src/main/java/org/opendaylight/controller/netconf/nettyutil/handler/ssh/client/AsyncSshHandler.java
@@ -8,9 +8,13 @@
 
 package org.opendaylight.controller.netconf.nettyutil.handler.ssh.client;
 
+import com.google.common.base.Preconditions;
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelOutboundHandlerAdapter;
+import io.netty.channel.ChannelPromise;
 import java.io.IOException;
 import java.net.SocketAddress;
-
 import org.apache.sshd.ClientChannel;
 import org.apache.sshd.ClientSession;
 import org.apache.sshd.SshClient;
@@ -23,19 +27,12 @@ import org.opendaylight.controller.netconf.nettyutil.handler.ssh.authentication.
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Preconditions;
-
-import io.netty.buffer.ByteBuf;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelOutboundHandlerAdapter;
-import io.netty.channel.ChannelPromise;
-
 /**
  * Netty SSH handler class. Acts as interface between Netty and SSH library.
  */
 public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
 
-    private static final Logger logger = LoggerFactory.getLogger(AsyncSshHandler.class);
+    private static final Logger LOG = LoggerFactory.getLogger(AsyncSshHandler.class);
     public static final String SUBSYSTEM = "netconf";
 
     public static final SshClient DEFAULT_CLIENT = SshClient.setUpDefaultClient();
@@ -77,7 +74,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
     }
 
     private void startSsh(final ChannelHandlerContext ctx, final SocketAddress address) {
-        logger.debug("Starting SSH to {} on channel: {}", address, ctx.channel());
+        LOG.debug("Starting SSH to {} on channel: {}", address, ctx.channel());
 
         final ConnectFuture sshConnectionFuture = sshClient.connect(authenticationHandler.getUsername(), address);
         sshConnectionFuture.addListener(new SshFutureListener<ConnectFuture>() {
@@ -94,7 +91,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
 
     private synchronized void handleSshSessionCreated(final ConnectFuture future, final ChannelHandlerContext ctx) {
         try {
-            logger.trace("SSH session created on channel: {}", ctx.channel());
+            LOG.trace("SSH session created on channel: {}", ctx.channel());
 
             session = future.getSession();
             final AuthFuture authenticateFuture = authenticationHandler.authenticate(session);
@@ -115,7 +112,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
 
     private synchronized void handleSshAuthenticated(final ClientSession session, final ChannelHandlerContext ctx) {
         try {
-            logger.debug("SSH session authenticated on channel: {}, server version: {}", ctx.channel(), session.getServerVersion());
+            LOG.debug("SSH session authenticated on channel: {}, server version: {}", ctx.channel(), session.getServerVersion());
 
             channel = session.createSubsystemChannel(SUBSYSTEM);
             channel.setStreaming(ClientChannel.Streaming.Async);
@@ -137,7 +134,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
     }
 
     private synchronized void handleSshChanelOpened(final ChannelHandlerContext ctx) {
-        logger.trace("SSH subsystem channel opened successfully on channel: {}", ctx.channel());
+        LOG.trace("SSH subsystem channel opened successfully on channel: {}", ctx.channel());
 
         connectPromise.setSuccess();
         connectPromise = null;
@@ -164,7 +161,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
     }
 
     private synchronized void handleSshSetupFailure(final ChannelHandlerContext ctx, final Throwable e) {
-        logger.warn("Unable to setup SSH connection on channel: {}", ctx.channel(), e);
+        LOG.warn("Unable to setup SSH connection on channel: {}", ctx.channel(), e);
         connectPromise.setFailure(e);
         connectPromise = null;
         throw new IllegalStateException("Unable to setup SSH connection on channel: " + ctx.channel(), e);
@@ -211,7 +208,7 @@ public class AsyncSshHandler extends ChannelOutboundHandlerAdapter {
         channel = null;
         promise.setSuccess();
 
-        logger.debug("SSH session closed on channel: {}", ctx.channel());
+        LOG.debug("SSH session closed on channel: {}", ctx.channel());
         ctx.fireChannelInactive();
     }