kerguelenpetrel.UnfriendSomeoneServlet.java Source code

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Here is the source code for kerguelenpetrel.UnfriendSomeoneServlet.java

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/*
 * Copyright (c) 2017 daloonik
 *
 * 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 kerguelenpetrel;

import java.io.IOException;
import java.util.Random;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

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

@SuppressWarnings("serial")
public class UnfriendSomeoneServlet extends HttpServlet {
    public static final long cursor = -1;

    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
        User unfriend = null;
        Random r = new Random();

        resp.setContentType("text/plain; charset=UTF-8");
        try {
            //Get the Twitter object
            Twitter twit = TwitterFactory.getSingleton();

            //Find a friend of a follower to bother
            long[] followerIDs = twit.getFollowersIDs(twit.getId(), cursor).getIDs();
            if (followerIDs.length == 0) {
                resp.getWriter().println("No friends to unfollow");
                return;
            }
            unfriend = twit.showUser(followerIDs[r.nextInt(followerIDs.length)]);
            twit.destroyFriendship(unfriend.getId());
            resp.getWriter().println("Successfully unfollowed @" + unfriend.getScreenName());
            resp.getWriter().println("\n");
        } catch (TwitterException e) {
            resp.getWriter().println("Problem with Twitter \n");
            e.printStackTrace(resp.getWriter());
        } catch (Exception e) {
            resp.getWriter().println("Problem! \n");
            e.printStackTrace(resp.getWriter());
        }
    }
}