com.smart.home.service.TwitterService.java Source code

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Here is the source code for com.smart.home.service.TwitterService.java

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/*
 * This is proprietary work of svitla.com. Any kind of copying or
 * duplication is subject to Legal proceeding. All the rights on this work
 * are reserved to svitla.com.
 *
 * 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.
 */
package com.smart.home.service;

import com.smart.home.model.DeviceSnapshot;
import com.smart.home.model.StructureSnapshot;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.TwitterFactory;
import twitter4j.conf.ConfigurationBuilder;

import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * Twitter service class post the twitter updates.
 */
public class TwitterService {

    private static final Logger LOG = LoggerFactory.getLogger(TwitterService.class);

    private final Twitter twitter;

    private final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");

    /**
     * Constructor for twitter service
     *
     * @param apiKey      twitter API key
     * @param apiSecret   twitter API secret key
     * @param token       twitter access token
     * @param tokenSecret twitter access token secret
     */
    public TwitterService(String apiKey, String apiSecret, String token, String tokenSecret) {

        ConfigurationBuilder cb = new ConfigurationBuilder();
        cb.setDebugEnabled(true).setOAuthConsumerKey(apiKey).setOAuthConsumerSecret(apiSecret)
                .setOAuthAccessToken(token).setOAuthAccessTokenSecret(tokenSecret);
        TwitterFactory factory = new TwitterFactory(cb.build());
        twitter = factory.getInstance();
        twitter.directMessages();
    }

    /**
     * Requires for twitter messages.
     * Note: twitter prevents duplication of messages.
     *
     * @return formatted time.
     */
    private String getTime() {
        return dateFormat.format(new Date());
    }

    /**
     * Update for structure snapshot
     *
     * @param structureSnapshot structure snapshot
     * @throws TwitterException {@link TwitterException}
     */
    public void update(StructureSnapshot structureSnapshot) throws TwitterException {
        LOG.info("updating status on state change");
        processHomeEvent(structureSnapshot);
    }

    /**
     * Update for device snapshot
     *
     * @param deviceSnapshot device snapshot
     * @throws TwitterException {@link TwitterException}
     */
    public void update(DeviceSnapshot deviceSnapshot) throws TwitterException {
        LOG.info("Updating twitter statusType [{}] on {}", deviceSnapshot.getStatusType(),
                deviceSnapshot.getStatus());
        switch (deviceSnapshot.getStatusType()) {
        case "online":
            processOnlineEvent(deviceSnapshot);
            break;
        case "target_temp":
            processTargetTemperatureEvent(deviceSnapshot);
            break;
        }
    }

    /**
     * Home event
     *
     * @param structureSnapshot structure snapshot
     * @throws TwitterException {@link TwitterException}
     */
    private void processHomeEvent(StructureSnapshot structureSnapshot) throws TwitterException {
        String message = String.format("Set state to '%s' at location %s at %s.", structureSnapshot.getState(),
                structureSnapshot.getName(), getTime());
        LOG.info(message);
        twitter.updateStatus(message);
    }

    /**
     * Online event
     *
     * @param deviceSnapshot device snapshot
     * @throws TwitterException {@link TwitterException}
     */
    private void processOnlineEvent(DeviceSnapshot deviceSnapshot) throws TwitterException {
        String message;
        if (deviceSnapshot.getStatus().equals("true")) {
            message = "Device %s at location %s@%s came back online at %s.";
        } else {
            message = "Device %s at location %s@%s went offline at %s.";
        }

        message = String.format(message, deviceSnapshot.getDeviceType(), deviceSnapshot.getStructure(),
                deviceSnapshot.getLocation(), getTime());
        LOG.info(message);

        twitter.updateStatus(message);
    }

    /**
     * Target temperature event
     *
     * @param deviceSnapshot device snapshot
     * @throws TwitterException {@link TwitterException}
     */
    private void processTargetTemperatureEvent(DeviceSnapshot deviceSnapshot) throws TwitterException {
        String message = String.format("Thermostat at location %s@%s set a target temperature %s at %s.",
                deviceSnapshot.getStructure(), deviceSnapshot.getLocation(), deviceSnapshot.getStatus(), getTime());
        LOG.info(message);

        twitter.updateStatus(message);
    }

}