Java tutorial
/* * Copyright 2011 the original author or authors. * * 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 org.easit.core.controllers.twitter; import java.security.Principal; import java.util.List; import javax.inject.Inject; import org.easit.dao.model.PSMetadata; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.social.MissingAuthorizationException; import org.springframework.social.twitter.api.DirectMessage; import org.springframework.social.twitter.api.Tweet; import org.springframework.social.twitter.api.Twitter; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; @Controller public class TwitterMessageController { private static final Logger logger = LoggerFactory.getLogger(TwitterMessageController.class); private final Twitter twitter; @Inject public TwitterMessageController(Twitter twitter) { this.twitter = twitter; } @ExceptionHandler(MissingAuthorizationException.class) public String handleAuthorizationException(Principal currentUser) { return "redirect:/connect/twitter"; } @RequestMapping(value = "/twitter/messages", method = RequestMethod.GET) public String inbox(Model model, String offset) throws Exception { int listSize = 0; int int_offset = 0; if (offset != null) { int_offset = Integer.valueOf(offset); } int fromIndex = int_offset; int toIndex = fromIndex + PSMetadata.TWITTER_LIMIT_RESULT; List<DirectMessage> messages = twitter.directMessageOperations().getDirectMessagesReceived(); toIndex = Math.min(toIndex, messages.size()); listSize = messages.size(); model.addAttribute("directMessages", messages.subList(fromIndex, toIndex)); model.addAttribute("dmListType", "Received"); model.addAttribute("messageForm", new MessageForm()); model.addAttribute("offset", int_offset); model.addAttribute("pageSize", listSize); return "twitter/messages"; } @RequestMapping(value = "/twitter/messages/sent", method = RequestMethod.GET) public String sent(Model model, String offset) { int listSize = 0; int int_offset = 0; if (offset != null) { int_offset = Integer.valueOf(offset); } listSize = twitter.directMessageOperations().getDirectMessagesSent().size(); model.addAttribute("directMessages", twitter.directMessageOperations().getDirectMessagesSent(int_offset, PSMetadata.TWITTER_LIMIT_RESULT)); model.addAttribute("dmListType", "Sent"); model.addAttribute("messageForm", new MessageForm()); model.addAttribute("offset", int_offset); model.addAttribute("pageSize", listSize); return "twitter/messages"; } // Send direct messages @RequestMapping(value = "/twitter/messages", method = RequestMethod.POST) public String sent(MessageForm message) { logger.info("message to: " + message.getTo()); logger.info("text: " + message.getText()); try { twitter.directMessageOperations().sendDirectMessage(message.getTo(), message.getText()); } catch (Exception e) { logger.error(e.getMessage()); e.printStackTrace(); } return "redirect:/twitter/messages"; } }