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AlexaClient.java
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AlexaClient.java
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/**
* Copyright (c) 2016 Justin Young
*
* 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.
*
*
* Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* You may not use this file except in compliance with the License. A copy of the License is located the "LICENSE.txt"
* file accompanying this source. This file 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 com.whyjustin.magicmirror.alexa;
import java.io.IOException;
import com.amazon.alexa.avs.AVSAudioPlayer.AlexaSpeechListener;
import com.amazon.alexa.avs.AVSAudioPlayerFactory;
import com.amazon.alexa.avs.AVSController;
import com.amazon.alexa.avs.AlertManagerFactory;
import com.amazon.alexa.avs.DialogRequestIdAuthority;
import com.amazon.alexa.avs.ExpectSpeechListener;
import com.amazon.alexa.avs.RecordingRMSListener;
import com.amazon.alexa.avs.RequestListener;
import com.amazon.alexa.avs.http.AVSClientFactory;
public class AlexaClient
implements ExpectSpeechListener, AlexaSpeechListener, RecordingRMSListener
{
private final AVSController avsController;
private final CompanionServiceAuthenticator companionServiceAuthenticator;
private final AlexaProxy alexaProxy;
private Thread autoEndpoint = null;
private static final int ENDPOINT_THRESHOLD = 5;
private static final int ENDPOINT_SECONDS = 2;
public AlexaClient(AlexaConfig alexaConfig, AlexaProxy alexaProxy) throws Exception
{
this.alexaProxy = alexaProxy;
avsController = new AVSController(this, this, new AVSAudioPlayerFactory(), new AlertManagerFactory(),
new AVSClientFactory(alexaConfig), DialogRequestIdAuthority.getInstance());
companionServiceAuthenticator = new CompanionServiceAuthenticator(alexaConfig);
String registrationCode = companionServiceAuthenticator.requestRegistrationCode();
alexaProxy.onRegistrationCode(registrationCode);
avsController.startHandlingDirectives();
}
public void registerDevice() throws IOException {
String token = companionServiceAuthenticator.requestAccessToken();
avsController.onAccessTokenReceived(token);
alexaProxy.onAccessToken(token);
}
public void triggerAlexa() {
avsController.onUserActivity();
RequestListener requestListener = new RequestListener() {
@Override
public void onRequestSuccess() {
avsController.processingFinished();
alexaProxy.onAlexaCompleted();
}
@Override
public void onRequestError(Throwable e) {
avsController.processingFinished();
alexaProxy.onAlexaCompleted();
}
};
avsController.startRecording(this, requestListener);
}
@Override
public void onExpectSpeechDirective() {
}
@Override
public void onAlexaSpeechStarted() {
alexaProxy.onAlexaSpeechStarted();
}
@Override
public void onAlexaSpeechFinished() {
alexaProxy.onAlexaSpeechFinished();
}
@Override
public void rmsChanged(final int rms) {
// if greater than threshold or not recording, kill the autoendpoint thread
if ((rms == 0) || (rms > ENDPOINT_THRESHOLD)) {
if (autoEndpoint != null) {
autoEndpoint.interrupt();
autoEndpoint = null;
}
} else if (rms < ENDPOINT_THRESHOLD) {
// start the autoendpoint thread if it isn't already running
if (autoEndpoint == null) {
autoEndpoint = new Thread() {
@Override
public void run() {
try {
Thread.sleep(ENDPOINT_SECONDS * 1000);
avsController.stopRecording(); // hit stop if we get through the autoendpoint time
} catch (InterruptedException e) {
return;
}
}
};
autoEndpoint.start();
}
}
}
}