Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2013 Jon Brule * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package org.jrb.commons.web.controller; import java.text.MessageFormat; import java.util.Date; import org.apache.commons.lang3.StringUtils; import org.apache.commons.lang3.time.DateFormatUtils; import org.atteo.evo.inflector.English; import org.jrb.commons.web.MessageResponse; import org.jrb.commons.web.ResponseUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; /** * Base controller for the root URI. * * @author <a href="mailto:brulejr@gmail.com">Jon Brule</a> */ public abstract class AbstractController { @Autowired private ResponseUtils utils; @RequestMapping(method = RequestMethod.GET) public ResponseEntity<MessageResponse> home() { final MessageResponse response = utils.createResponse(MessageResponse.class); response.setMessage(responseMessage(response)); addLinks(response); return utils.finalize(response); } protected abstract void addLinks(final MessageResponse response); protected String responseMessage(final MessageResponse response) { final String timestamp = DateFormatUtils.ISO_DATETIME_TIME_ZONE_FORMAT.format(new Date()); final String message = MessageFormat.format("{0}(v{1}) - {2}", response.getProduct(), response.getVersion(), timestamp); return message; } protected String entityRel(Class<?> classname) { return StringUtils.uncapitalize(English.plural(classname.getSimpleName())); } }