Merge branch 'master' into bael-16656

libraries-server/src/main/java/com/baeldung/netty/RequestDataEncoder.java

@@ -0,0 +1,19 @@
+package com.baeldung.netty;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+import java.nio.charset.Charset;
+
+public class RequestDataEncoder extends MessageToByteEncoder<RequestData> {
+
+    private final Charset charset = Charset.forName("UTF-8");
+
+    @Override
+    protected void encode(ChannelHandlerContext ctx, RequestData msg, ByteBuf out) throws Exception {
+        out.writeInt(msg.getIntValue());
+        out.writeInt(msg.getStringValue().length());
+        out.writeCharSequence(msg.getStringValue(), charset);
+    }
+}