lifecounter.LifeCounterSpeechlet.java Source code

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Here is the source code for lifecounter.LifeCounterSpeechlet.java

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/*******************************************************************************
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Brandon Sheffield
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *******************************************************************************/
package lifecounter;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.amazon.speech.slu.Intent;
import com.amazon.speech.speechlet.IntentRequest;
import com.amazon.speech.speechlet.LaunchRequest;
import com.amazon.speech.speechlet.Session;
import com.amazon.speech.speechlet.SessionEndedRequest;
import com.amazon.speech.speechlet.SessionStartedRequest;
import com.amazon.speech.speechlet.Speechlet;
import com.amazon.speech.speechlet.SpeechletException;
import com.amazon.speech.speechlet.SpeechletResponse;
import com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient;

public class LifeCounterSpeechlet implements Speechlet {

    private static final Logger log = LoggerFactory.getLogger(LifeCounterSpeechlet.class);
    private AmazonDynamoDBClient amazonDynamoDBClient;
    private LifeCounterManager scoreKeeperManager;
    private LifeCounterSkillContext skillContext;

    @Override
    public void onSessionStarted(final SessionStartedRequest request, final Session session)
            throws SpeechletException {
        log.info("onSessionStarted requestId={}, sessionId={}", request.getRequestId(), session.getSessionId());

        initializeComponents(); //init db, manager, and context

        // if user said a one shot command that triggered an intent event,
        // it will start a new session, and then we should avoid speaking too many words.
        skillContext.setNeedsMoreHelp(false);
    }

    @Override
    public SpeechletResponse onLaunch(final LaunchRequest request, final Session session)
            throws SpeechletException {
        log.info("onLaunch requestId={}, sessionId={}", request.getRequestId(), session.getSessionId());

        skillContext.setNeedsMoreHelp(true);
        return scoreKeeperManager.getLaunchResponse(request, session);
    }

    @Override
    public SpeechletResponse onIntent(IntentRequest request, Session session) throws SpeechletException {
        log.info("onIntent requestId={}, sessionId={}", request.getRequestId(), session.getSessionId());
        initializeComponents();

        Intent intent = request.getIntent();
        switch (intent.getName()) {
        case "NewGameIntent":
            return scoreKeeperManager.getNewGameIntentResponse(session, skillContext);
        case "AddPlayerIntent":
            return scoreKeeperManager.getAddPlayerIntentResponse(intent, session, skillContext);
        case "AddLifeIntent":
            return scoreKeeperManager.getAddLifeIntentResponse(intent, session, skillContext);
        case "SubLifeIntent":
            return scoreKeeperManager.getSubLifeIntentResponse(intent, session, skillContext);
        case "TellLifeTotalsIntent":
            return scoreKeeperManager.getTellLifeTotalsIntentResponse(intent, session);
        case "ResetPlayersIntent":
            return scoreKeeperManager.getResetPlayersIntentResponse(intent, session);
        case "AMAZON.HelpIntent":
            return scoreKeeperManager.getHelpIntentResponse(intent, session, skillContext);
        case "AMAZON.CancelIntent":
            return scoreKeeperManager.getExitIntentResponse(intent, session, skillContext);
        case "AMAZON.StopIntent":
            return scoreKeeperManager.getExitIntentResponse(intent, session, skillContext);
        default:
            throw new IllegalArgumentException("Unrecognized intent: " + intent.getName());
        }
    }

    @Override
    public void onSessionEnded(final SessionEndedRequest request, final Session session) throws SpeechletException {
        log.info("onSessionEnded requestId={}, sessionId={}", request.getRequestId(), session.getSessionId());
        // any cleanup logic goes here
    }

    /**
     * Initializes the instance components if needed.
     */
    private void initializeComponents() {
        if (amazonDynamoDBClient == null) {
            amazonDynamoDBClient = new AmazonDynamoDBClient();
            scoreKeeperManager = new LifeCounterManager(amazonDynamoDBClient);
            skillContext = new LifeCounterSkillContext();
        }
    }
}