Spark graphx moved to a new project due to a incompatibility of scala compiler

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

@@ -0,0 +1,22 @@
+package com.baeldung.netty;
+
+import java.nio.charset.Charset;
+import java.util.List;
+
+import io.netty.buffer.ByteBuf;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.ReplayingDecoder;
+
+public class RequestDecoder extends ReplayingDecoder<RequestData> {
+
+    private final Charset charset = Charset.forName("UTF-8");
+
+    @Override
+    protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
+        RequestData data = new RequestData();
+        data.setIntValue(in.readInt());
+        int strLen = in.readInt();
+        data.setStringValue(in.readCharSequence(strLen, charset).toString());
+        out.add(data);
+    }
+}