/**
* Creates the <a href="http://wiki.mindmakers.org/projects:BML:main">Behavior Markup Language</a>
* string for Avatar.
*
* @param utterance the utterance to speak <code>null</code>
* @param ssml SSML with BML annotations
* @return created XML string
* @throws XMLStreamException if the stream could not be created.
*/
private String createBML(final String utterance, final SsmlDocument ssml)
throws XMLStreamException {
final ByteArrayOutputStream out = new ByteArrayOutputStream();
final XMLOutputFactory factory = XMLOutputFactory.newInstance();
final XMLStreamWriter writer = factory.createXMLStreamWriter(out, ENCODING);
writer.writeStartDocument(ENCODING, "1.0");
writer.writeStartElement("bml");
writer.writeAttribute("id", "bml1");
writer.writeNamespace("ns1", BML_NAMESPACE_URI);
if (ssml != null) {
final Speak speak = ssml.getSpeak();
final NodeList children = speak.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
final Node child = children.item(i);
final String namespace = child.getNamespaceURI();
if (namespace != null) {
writeBMLNode(writer, child, utterance);
}
}
}
writer.writeEndElement();
writer.writeEndDocument();
writer.flush();
// lastGestureEndTime = 0;
writer.close();
try {
String output = out.toString(ENCODING);
return output;
} catch (UnsupportedEncodingException e) {
LOGGER.warn(e.getMessage(), e);
return out.toString();
}
}
/** Sends the next speakable to Avatar. */
private void sendNextSpeakable() {
final QueuedSpeakable next = speakables.peek();
final SpeakableText speakable = next.getSpeakable();
final String utterance;
final SsmlDocument document;
if (speakable instanceof SpeakableSsmlText) {
final SpeakableSsmlText ssml = (SpeakableSsmlText) speakable;
document = ssml.getDocument();
final Speak speak = document.getSpeak();
utterance = speak.getTextContent();
} else {
utterance = speakable.getSpeakableText();
document = null;
}
ErrorEvent error = null;
try {
final String bml = createBML(utterance, document);
sendToAvatar(bml);
} catch (SocketException e) {
error = new BadFetchError(e.getMessage(), e);
} catch (UnknownHostException e) {
error = new BadFetchError(e.getMessage(), e);
} catch (IOException e) {
error = new BadFetchError(e.getMessage(), e);
} catch (XMLStreamException e) {
error = new BadFetchError(e.getMessage(), e);
}
if (error != null) {
synchronized (listeners) {
for (SynthesizedOutputListener listener : listeners) {
listener.outputError(error);
}
}
}
}
/**
* Test method for {@link
* VarStrategy#execute(org.jvoicexml.interpreter.VoiceXmlInterpreterContext,
* org.jvoicexml.interpreter.VoiceXmlInterpreter,
* org.jvoicexml.interpreter.FormInterpretationAlgorithm, org.jvoicexml.interpreter.FormItem,
* org.jvoicexml.xml.VoiceXmlNode)} .
*
* @exception Exception Test failed.
* @exception JVoiceXMLEvent test failed
*/
@Test
public void testExecuteExpr() throws Exception, JVoiceXMLEvent {
final String name = "test";
final String val = "this is a test";
final Block block = createBlock();
final Value value = block.appendChild(Value.class);
value.setExpr(name);
final DataModel model = getDataModel();
Mockito.when(model.evaluateExpression(name, Object.class)).thenReturn(val);
final ValueStrategy strategy = new ValueStrategy();
executeTagStrategy(value, strategy);
final SsmlDocument ssml = new SsmlDocument();
final Speak speak = ssml.getSpeak();
speak.addText("this is a test");
final SpeakableText speakable = new SpeakableSsmlText(ssml);
final ImplementationPlatform platform = getContext().getImplementationPlatform();
Mockito.verify(platform).queuePrompt(speakable);
}