Java tutorial
/* Copyright 2016 Artem Stasiuk 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.github.terma.m.server; import com.github.terma.m.shared.Event; import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import org.apache.commons.io.IOUtils; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.lang.reflect.Type; import java.util.List; public class NodeServlet extends HttpServlet { private static final Type EVENTS_TYPE = new TypeToken<List<Event>>() { }.getType(); private static final Gson GSON = new Gson(); @Override protected void doPost(final HttpServletRequest request, final HttpServletResponse response) throws ServletException, IOException { final List<Event> newEvents = GSON.fromJson(IOUtils.toString(request.getInputStream()), EVENTS_TYPE); EventsHolder.get().add(newEvents); NodeManager.INSTANCE.responseFromNode(request.getRemoteHost()); } }