Java tutorial
/******************************************************************************* * Copyright 2014-2017 BeeswaxIO Corporation. * Portions may be licensed to BeeswaxIO Corporation under one or more contributor license agreements. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under the License. *******************************************************************************/ package com.beeswax.hexbid.handler; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import com.beeswax.http.handler.RequestHandler; import io.netty.buffer.Unpooled; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.codec.http.DefaultFullHttpResponse; import io.netty.handler.codec.http.FullHttpRequest; import io.netty.handler.codec.http.FullHttpResponse; import io.netty.handler.codec.http.HttpResponseStatus; import io.netty.handler.codec.http.HttpVersion; /** * Handler which handles /var requests. to show server variables.</br> * </br> * Hexbid server doesn't have internal variables so it simply returns 200 "ok" but * this handler can show metrics like request count, bids and etc.</br> * */ public class VarHandler implements RequestHandler { private static final Logger LOGGER = LogManager.getLogger(VarHandler.class); public static final String PATH = "/var"; public static final String CONTENT_MESSAGE = "var"; public FullHttpResponse processRequest(ChannelHandlerContext ctx, FullHttpRequest request) { LOGGER.debug("/var request"); return new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(CONTENT_MESSAGE.getBytes())); } }