Apply style rules on whole sal-rest-connector

[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / streams / websockets / WebSocketServerHandler.java

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/websockets/WebSocketServerHandler.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/websockets/WebSocketServerHandler.java
index 26e4936d3f27d0d20e3875fe051335d79beae3be..ce12d34e083f2ca440c754ab736aed1834276e0f 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/websockets/WebSocketServerHandler.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/streams/websockets/WebSocketServerHandler.java
@@ -8,6 +8,7 @@ import static io.netty.handler.codec.http.HttpResponseStatus.BAD_REQUEST;
 import static io.netty.handler.codec.http.HttpResponseStatus.FORBIDDEN;
 import static io.netty.handler.codec.http.HttpResponseStatus.INTERNAL_SERVER_ERROR;
 import static io.netty.handler.codec.http.HttpVersion.HTTP_1_1;
+
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.ChannelFuture;
@@ -25,29 +26,24 @@ import io.netty.handler.codec.http.websocketx.WebSocketFrame;
 import io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;
 import io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory;
 import io.netty.util.CharsetUtil;
-
 import java.io.IOException;
-
 import org.opendaylight.controller.sal.streams.listeners.ListenerAdapter;
 import org.opendaylight.controller.sal.streams.listeners.Notificator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * {@link WebSocketServerHandler} is implementation of
- * {@link SimpleChannelInboundHandler} which allow handle
+ * {@link WebSocketServerHandler} is implementation of {@link SimpleChannelInboundHandler} which allow handle
  * {@link FullHttpRequest} and {@link WebSocketFrame} messages.
  */
 public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object> {
 
-    private static final Logger logger = LoggerFactory
-            .getLogger(WebSocketServerHandler.class);
+    private static final Logger logger = LoggerFactory.getLogger(WebSocketServerHandler.class);
 
     private WebSocketServerHandshaker handshaker;
 
     @Override
-    protected void channelRead0(final ChannelHandlerContext ctx, final Object msg)
-            throws Exception {
+    protected void channelRead0(final ChannelHandlerContext ctx, final Object msg) throws Exception {
         if (msg instanceof FullHttpRequest) {
             handleHttpRequest(ctx, (FullHttpRequest) msg);
         } else if (msg instanceof WebSocketFrame) {
@@ -56,27 +52,23 @@ public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object>
     }
 
     /**
-     * Checks if HTTP request method is GET and if is possible to decode HTTP
-     * result of request.
+     * Checks if HTTP request method is GET and if is possible to decode HTTP result of request.
      *
      * @param ctx
      *            ChannelHandlerContext
      * @param req
      *            FullHttpRequest
      */
-    private void handleHttpRequest(final ChannelHandlerContext ctx,
-            final FullHttpRequest req) throws Exception {
+    private void handleHttpRequest(final ChannelHandlerContext ctx, final FullHttpRequest req) throws Exception {
         // Handle a bad request.
         if (!req.getDecoderResult().isSuccess()) {
-            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1,
-                    BAD_REQUEST));
+            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
             return;
         }
 
         // Allow only GET methods.
         if (req.getMethod() != GET) {
-            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1,
-                    FORBIDDEN));
+            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
             return;
         }
 
@@ -86,15 +78,13 @@ public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object>
             listener.addSubscriber(ctx.channel());
             logger.debug("Subscriber successfully registered.");
         } else {
-            logger.error("Listener for stream with name '{}' was not found.",
-                    streamName);
-            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1,
-                    INTERNAL_SERVER_ERROR));
+            logger.error("Listener for stream with name '{}' was not found.", streamName);
+            sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR));
         }
 
         // Handshake
-        WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(
-                getWebSocketLocation(req), null, false);
+        WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
+                null, false);
         handshaker = wsFactory.newHandshaker(req);
         if (handshaker == null) {
             WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
@@ -114,12 +104,11 @@ public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object>
      * @param res
      *            FullHttpResponse
      */
-    private static void sendHttpResponse(final ChannelHandlerContext ctx,
-            final HttpRequest req, final FullHttpResponse res) {
+    private static void sendHttpResponse(final ChannelHandlerContext ctx, final HttpRequest req,
+            final FullHttpResponse res) {
         // Generate an error page if response getStatus code is not OK (200).
         if (res.getStatus().code() != 200) {
-            ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(),
-                    CharsetUtil.UTF_8);
+            ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
             res.content().writeBytes(buf);
             buf.release();
             setContentLength(res, res.content().readableBytes());
@@ -140,14 +129,10 @@ public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object>
      * @param frame
      *            {@link WebSocketFrame}
      */
-    private void handleWebSocketFrame(final ChannelHandlerContext ctx,
-            final WebSocketFrame frame) throws IOException {
+    private void handleWebSocketFrame(final ChannelHandlerContext ctx, final WebSocketFrame frame) throws IOException {
         if (frame instanceof CloseWebSocketFrame) {
-            handshaker.close(ctx.channel(),
-                    (CloseWebSocketFrame) frame.retain());
-            String streamName = Notificator
-                    .createStreamNameFromUri(((CloseWebSocketFrame) frame)
-                            .reasonText());
+            handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
+            String streamName = Notificator.createStreamNameFromUri(((CloseWebSocketFrame) frame).reasonText());
             ListenerAdapter listener = Notificator.getListenerFor(streamName);
             if (listener != null) {
                 listener.removeSubscriber(ctx.channel());
@@ -156,15 +141,13 @@ public class WebSocketServerHandler extends SimpleChannelInboundHandler<Object>
             Notificator.removeListenerIfNoSubscriberExists(listener);
             return;
         } else if (frame instanceof PingWebSocketFrame) {
-            ctx.channel().write(
-                    new PongWebSocketFrame(frame.content().retain()));
+            ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
             return;
         }
     }
 
     @Override
-    public void exceptionCaught(final ChannelHandlerContext ctx, final Throwable cause)
-            throws Exception {
+    public void exceptionCaught(final ChannelHandlerContext ctx, final Throwable cause) throws Exception {
         if (cause instanceof java.nio.channels.ClosedChannelException == false) {
             // cause.printStackTrace();
         }