Java tutorial
/* * This file is part of official Aipo App. * Copyright (C) 2011-2011 Aimluck,Inc. * http://www.aipo.com * * 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.aipo.app.microblog.controller; import java.util.HashMap; import java.util.Map; import java.util.logging.Logger; import org.json.simple.JSONObject; import org.slim3.controller.Controller; import org.slim3.controller.Navigation; import com.aipo.app.microblog.service.MessageService; public class TestController extends Controller { @SuppressWarnings("unused") private static final Logger logger = Logger.getLogger(TestController.class.getName()); @Override protected Navigation run() throws Exception { response.setContentType("application/json;"); response.setCharacterEncoding("utf-8"); Map<String, Object> handle = new HashMap<String, Object>(); if (MessageService.get().getMessageCount() == -1) { handle.put("status", "down"); } else { handle.put("status", "running"); } JSONObject.writeJSONString(handle, response.getWriter()); response.flushBuffer(); return null; } }