package net.kylewu.twitter;
import java.util.List;
import java.util.Scanner;
import twitter4j.DirectMessage;
import twitter4j.Query;
import twitter4j.QueryResult;
import twitter4j.Status;
import twitter4j.Tweet;
import twitter4j.Twitter;
import twitter4j.TwitterException;

/* The main class of twitter client
 * @author Kyle Wu
*/

public class TwitterMain {
    public static void print(String string) {
        System.out.println(string);
    }

public static void main(String[] args) {

    if (args.length < 2) {
        print("Usage: java net.kylewu.twitter.TwitterMain ID Password");
        System.exit(-1);
    }

    String strTip = "=========================n"
            + "Please select what you want to do:n"
            + "1. Updating statusn" + "2. Getting Timelinen"
            + "3. Sending Direct Messagesn"
            + "4. Receiving Direct Messagesn" + "5. Search for Tweetsn"
            + "6. Asynchronous APIn"
            + "0. Exitn" +
            "=========================";

    // Twitter class is the one you may want to look first
    Twitter twitter = new Twitter(args[0], args[1]);

    Scanner scanner = new Scanner(System.in);

    while (true) {
        print(strTip);

        String select = scanner.nextLine();

        if (select.compareTo(TwitterAction.UPDATE.toString()) == 0) {

            // get message
            print("Please input message you want to update:");
            String message = scanner.nextLine();

            try {
                // update here
                Status status = twitter.update(message);
                print("Successfully updated the status to ["
                        + status.getText() + "].");
            } catch (TwitterException e) {
                print("Error occured when updating");
                e.printStackTrace();
            }

        } else if (select.compareTo(TwitterAction.GETTIMELINE.toString()) == 0) {

            try {
                // get friend time line here
                List statuses = twitter.getFriendsTimeline();
                print("Showing friends timeline.");
                for (Status status : statuses) {
                    print(status.getUser().getName() + ":"
                            + status.getText());
                }
            } catch (TwitterException e) {
                print("Error occured when getting friends timeline");
                e.printStackTrace();
            }

        } else if (select.compareTo(TwitterAction.SENDDIRECTMSG.toString()) == 0) {

            print("Please input id you want to send to :");
            String id = scanner.nextLine();
            print("Please input message you want to send to :");
            String message = scanner.nextLine();
            try {
                // send direct message here
                twitter.sendDirectMessage(id, message);
                print("Successfully send message to " + id + ".");
            } catch (Exception e) {
                print("Error occured when sending direct message");
                e.printStackTrace();
            }

        } else if (select.compareTo(TwitterAction.RECVDIRECTMSG.toString()) == 0) {

            try {
                // receive direct message here
                List list = twitter.getDirectMessages();
                print("There are " + list.size() + " messages");
                for (DirectMessage dm : list) {
                    print("Sender:" + dm.getSenderScreenName());
                    print("Text:" + dm.getText() + "n");

                }
            } catch (Exception e) {
                print("Error occured when receiving direct message");
                e.printStackTrace();
            }
        } else if (select.compareTo(TwitterAction.SEARCHFORTWEETS
                .toString()) == 0) {

            try {
                // search for tweets
                Query query = new Query("wenwu");
                QueryResult result = twitter.search(query);
                print("hits:" + result.getTotal());
                for (Tweet tweet : result.getTweets()) {
                    print(tweet.getFromUser() + ":" + tweet.getText());
                }

            } catch (Exception e) {
                print("Error occured when searching for tweets");
                e.printStackTrace();
            }
        } else {
            // exit
            System.exit(0);
        }

    }
}   }

package net.kylewu.twitter;
public enum TwitterAction {
    UPDATE(1),
    GETTIMELINE(2),
    SENDDIRECTMSG(3),
    RECVDIRECTMSG(4),
    SEARCHFORTWEETS(5);
    final private int type;

    private TwitterAction(int type) {
        this.type = type;
    }

    @Override
    public String toString() {
        return String.valueOf(this.type);
    }

    public int getType() {
        return this.type;
    }
}