org.springframework.social.showcase.twitter.TwitterShowcaseController.java Source code

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Here is the source code for org.springframework.social.showcase.twitter.TwitterShowcaseController.java

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/*
 * 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.springframework.social.showcase.twitter;

import java.security.Principal;
import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;

import org.springframework.social.connect.ServiceProviderConnection;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.User;

@Controller
public class TwitterShowcaseController {

    private final Twitter4JServiceProvider twitterProvider;

    @Inject
    public TwitterShowcaseController(Twitter4JServiceProvider twitterProvider) {
        this.twitterProvider = twitterProvider;
    }

    @RequestMapping(value = "/twitter", method = RequestMethod.GET)
    public String home(Principal currentUser, Model model) {
        try {
            List<ServiceProviderConnection<Twitter>> connections = twitterProvider
                    .getConnections(currentUser.getName());
            if (connections.size() > 0) {
                List<User> connectedProfiles = new ArrayList<User>(connections.size());
                for (ServiceProviderConnection<Twitter> connection : connections) {
                    connectedProfiles.add(connection.getServiceApi().verifyCredentials());
                }
                model.addAttribute("connectedProfiles", connectedProfiles);
                model.addAttribute(new TweetForm());
                return "twitter/twitter";
            }
        } catch (TwitterException e) {
            // TODO: Decide how to handle this
        }
        return "redirect:/connect/twitter";
    }

    @RequestMapping(value = "/twitter/tweet", method = RequestMethod.POST)
    public String postTweet(Principal currentUser, TweetForm tweetForm) {
        try {
            List<ServiceProviderConnection<Twitter>> connections = twitterProvider
                    .getConnections(currentUser.getName());
            for (ServiceProviderConnection<Twitter> connection : connections) {
                Twitter twitter = connection.getServiceApi();
                if (tweetForm.isTweetToAll() || twitter.getScreenName().equals(tweetForm.getScreenName())) {
                    twitter.updateStatus(tweetForm.getMessage());
                }
            }
        } catch (TwitterException e) {
            // TODO: Decide how to handle this
        }
        return "redirect:/twitter";
    }

}