java.lang.Object
- com.sun.speech.engine.BaseEngine
- - com.sun.speech.engine.synthesis.BaseSynthesizer

All Implemented Interfaces:

SpeechEventDispatcher

Direct Known Subclasses:

FreeTTSSynthesizer, TextSynthesizer
```
public abstract class BaseSynthesizer
extends BaseEngine
implements SpeechEventDispatcher
```
Supports the JSAPI 1.0 Synthesizer interface that performs the core non-engine-specific functions.
An actual JSAPI synthesizer implementation needs to extend or modify this implementation.

Field Summary

Fields
Modifier and Type	Field	Description
`protected java.util.Collection`	`speakableListeners`	Set of speakable listeners belonging to the `Synthesizer`.
`protected VoiceList`	`voiceList`	The set of voices available in this `Synthesizer`.

Fields inherited from class com.sun.speech.engine.BaseEngine
audioManager, CLEAR_ALL_STATE, engineListeners, engineModeDesc, engineProperties, engineState, engineStateLock

Constructor Summary

Constructors
Constructor Description

BaseSynthesizer(SynthesizerModeDesc mode)
Creates a new Synthesizer in the DEALLOCATED state.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addSpeakableListener(SpeakableListener listener)`	Adds a `SpeakableListener` to this `Synthesizer`.
`protected abstract void`	`appendQueue(BaseSynthesizerQueueItem item)`	Puts an item on the speaking queue and sends a queue updated event.
`abstract void`	`cancel()`	Cancels the item at the top of the queue.
`abstract void`	`cancel(java.lang.Object source)`	Cancels a specific object on the queue.
`abstract void`	`cancelAll()`	Cancels all items on the output queue.
`protected BaseEngineProperties`	`createEngineProperties()`	Factory constructor for `EngineProperties` object.
`protected BaseSynthesizerQueueItem`	`createQueueItem()`	Factory method that creates a `BaseSynthesizerQueueItem`.
`void`	`dispatchSpeechEvent(SpeechEvent event)`	Dispatches a `SpeechEvent`.
`abstract java.util.Enumeration`	`enumerateQueue()`	Returns an enumeration of the queue.
`void`	`fireQueueEmptied(SynthesizerEvent event)`	Utility function that sends a `QUEUE_EMPTIED` event to all `SynthesizerListeners`.
`void`	`fireQueueUpdated(SynthesizerEvent event)`	Utility function that sends a `QUEUE_UPDATED` event to all `SynthesizerListeners`.
`SynthesizerProperties`	`getSynthesizerProperties()`	Returns the `SynthesizerProperties` object (a JavaBean).
`protected VoiceList`	`getVoiceList()`	Returns the list of voices for this `Synthesizer`.
`java.lang.String`	`phoneme(java.lang.String text)`	Optional method that converts a text string to a phoneme string.
`void`	`postQueueEmptied(long oldState, long newState)`	Utility function that generates `QUEUE_EMPTIED` event and posts it to the event queue.
`void`	`postQueueUpdated(boolean topOfQueueChanged, long oldState, long newState)`	Utility function that generates `QUEUE_UPDATED` event and posts it to the event queue.
`void`	`removeSpeakableListener(SpeakableListener listener)`	Removes a `SpeakableListener` from this `Synthesizer`.
`void`	`speak(java.lang.String jsmlText, SpeakableListener listener)`	Speaks JSML text provided as a `String`.
`void`	`speak(java.net.URL jsmlURL, SpeakableListener listener)`	Speaks JSML text provided as a `URL`.
`void`	`speak(Speakable jsmlText, SpeakableListener listener)`	Speaks JSML text provided as a `Speakable` object.
`void`	`speakPlainText(java.lang.String text, SpeakableListener listener)`	Speaks a plain text `String`.
`protected java.lang.String`	`stateToString(long state)`	Returns a String of the names of all the states implied in the given bit pattern.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - speakableListeners
```
protected java.util.Collection speakableListeners
```
    Set of speakable listeners belonging to the Synthesizer. Each item on queue may have an individual listener too.
    
    See Also:
    
    SpeakableListener
  - voiceList
```
protected VoiceList voiceList
```
    The set of voices available in this Synthesizer. The list can be created in the constructor methods.
- Constructor Detail
  - BaseSynthesizer
```
public BaseSynthesizer(SynthesizerModeDesc mode)
```
    Creates a new Synthesizer in the DEALLOCATED state.
    
    Parameters:
    
    mode - the operating mode of this Synthesizer
- Method Detail
  - speak
```
public void speak(Speakable jsmlText,
                  SpeakableListener listener)
           throws JSMLException,
                  EngineStateError
```
    Speaks JSML text provided as a Speakable object.
    
    Parameters:
    
    jsmlText - the JSML text to speak
    
    listener - the listener to be notified as the jsmlText is processed
    
    Throws:
    
    JSMLException - if the JSML text contains errors
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - speak
```
public void speak(java.net.URL jsmlURL,
                  SpeakableListener listener)
           throws JSMLException,
                  java.net.MalformedURLException,
                  java.io.IOException,
                  EngineStateError
```
    Speaks JSML text provided as a URL.
    
    Parameters:
    
    jsmlURL - the URL containing JSML text
    
    listener - the listener to be notified as the JSML text is processed
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
    
    java.io.IOException - if errors are encountered with the JSMLurl
    
    JSMLException - if the JSML text contains errors
    
    java.net.MalformedURLException - if errors are encountered with the JSMLurl
  - speak
```
public void speak(java.lang.String jsmlText,
                  SpeakableListener listener)
           throws JSMLException,
                  EngineStateError
```
    Speaks JSML text provided as a String.
    
    Parameters:
    
    jsmlText - a String containing JSML.
    
    listener - the listener to be notified as the JSML text is processed
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
    
    JSMLException - if the JSML text contains errors
  - speakPlainText
```
public void speakPlainText(java.lang.String text,
                           SpeakableListener listener)
                    throws EngineStateError
```
    Speaks a plain text String. No JSML parsing is performed.
    
    Parameters:
    
    text - a String containing plain text.
    
    listener - the listener to be notified as the text is processed
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - stateToString
```
protected java.lang.String stateToString(long state)
```
    Returns a String of the names of all the states implied in the given bit pattern.
    
    Overrides:
    
    stateToString in class BaseEngine
    
    Parameters:
    
    state - the bit pattern of states
    
    Returns:
    
    a String of the names of all the states implied in the given bit pattern.
  - appendQueue
```
protected abstract void appendQueue(BaseSynthesizerQueueItem item)
```
    Puts an item on the speaking queue and sends a queue updated event.
    
    Parameters:
    
    item - the item to add to the queue
  - phoneme
```
public java.lang.String phoneme(java.lang.String text)
                         throws EngineStateError
```
    Optional method that converts a text string to a phoneme string.
    
    Parameters:
    
    text - plain text to be converted to phonemes
    
    Returns:
    
    IPA phonemic representation of text or null
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - enumerateQueue
```
public abstract java.util.Enumeration enumerateQueue()
                                              throws EngineStateError
```
    Returns an enumeration of the queue.
    
    Returns:
    
    an Enumeration of the speech output queue or null.
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - cancel
```
public abstract void cancel()
                     throws EngineStateError
```
    Cancels the item at the top of the queue.
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - cancel
```
public abstract void cancel(java.lang.Object source)
                     throws java.lang.IllegalArgumentException,
                            EngineStateError
```
    Cancels a specific object on the queue.
    
    Parameters:
    
    source - object to be removed from the speech output queue
    
    Throws:
    
    java.lang.IllegalArgumentException - if the source object is not found in the speech output queue.
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - cancelAll
```
public abstract void cancelAll()
                        throws EngineStateError
```
    Cancels all items on the output queue.
    
    Throws:
    
    EngineStateError - if this Synthesizer in the DEALLOCATED or DEALLOCATING_RESOURCES states
  - getSynthesizerProperties
```
public SynthesizerProperties getSynthesizerProperties()
```
    Returns the SynthesizerProperties object (a JavaBean). The method returns exactly the same object as the getEngineProperties method in the Engine interface. However, with the getSynthesizerProperties method, an application does not need to cast the return value.
    
    Returns:
    
    the SynthesizerProperties object for this Synthesizer
  - addSpeakableListener
```
public void addSpeakableListener(SpeakableListener listener)
```
    Adds a SpeakableListener to this Synthesizer.
    
    Parameters:
    
    listener - the listener to add
    
    See Also:
    
    removeSpeakableListener(SpeakableListener)
  - removeSpeakableListener
```
public void removeSpeakableListener(SpeakableListener listener)
```
    Removes a SpeakableListener from this Synthesizer.
    
    Parameters:
    
    listener - the listener to remove
    
    See Also:
    
    addSpeakableListener(SpeakableListener)
  - createEngineProperties
```
protected BaseEngineProperties createEngineProperties()
```
    Factory constructor for EngineProperties object. Gets the default speaking voice from the SynthesizerModeDesc. Takes the default prosody values (pitch, range, volume, rate) from the default voice. Override to set engine-specific defaults.
    
    Specified by:
    
    createEngineProperties in class BaseEngine
    
    Returns:
    
    a BaseEngineProperties object specific to a subclass.
  - createQueueItem
```
protected BaseSynthesizerQueueItem createQueueItem()
```
    Factory method that creates a BaseSynthesizerQueueItem. Override if the synthesizer specializes the BaseSynthesizerQueueItem class.
  - getVoiceList
```
protected VoiceList getVoiceList()
```
    Returns the list of voices for this Synthesizer.
    
    Returns:
    
    the list of voices for this Synthesizer.
  - postQueueUpdated
```
public void postQueueUpdated(boolean topOfQueueChanged,
                             long oldState,
                             long newState)
```
    Utility function that generates QUEUE_UPDATED event and posts it to the event queue. Eventually fireQueueUpdated will be called by dispatchSpeechEvent as a result of this action.
    
    Parameters:
    
    topOfQueueChanged - true if the top of the queue has changed
    
    oldState - the old state of this Synthesizer
    
    newState - the new state of this Synthesizer
    
    See Also:
    
    fireQueueUpdated(SynthesizerEvent), dispatchSpeechEvent(SpeechEvent)
  - fireQueueUpdated
```
public void fireQueueUpdated(SynthesizerEvent event)
```
    Utility function that sends a QUEUE_UPDATED event to all SynthesizerListeners.
    
    Parameters:
    
    event - the QUEUE_UPDATED event
    
    See Also:
    
    postQueueUpdated(boolean, long, long), dispatchSpeechEvent(SpeechEvent)
  - postQueueEmptied
```
public void postQueueEmptied(long oldState,
                             long newState)
```
    Utility function that generates QUEUE_EMPTIED event and posts it to the event queue. Eventually fireQueueEmptied will be called by dispatchSpeechEvent as a result of this action.
    
    Parameters:
    
    oldState - the old state of this Synthesizer
    
    newState - the new state of this Synthesizer
    
    See Also:
    
    fireQueueEmptied(SynthesizerEvent), dispatchSpeechEvent(SpeechEvent)
  - fireQueueEmptied
```
public void fireQueueEmptied(SynthesizerEvent event)
```
    Utility function that sends a QUEUE_EMPTIED event to all SynthesizerListeners.
    
    Parameters:
    
    event - the QUEUE_EMPTIED event
    
    See Also:
    
    postQueueEmptied(long, long), dispatchSpeechEvent(SpeechEvent)
  - dispatchSpeechEvent
```
public void dispatchSpeechEvent(SpeechEvent event)
```
    Dispatches a SpeechEvent. The dispatcher should notify all SynthesizerListeners from this method. The SpeechEvent was added via the various post methods of this class.
    
    Specified by:
    
    dispatchSpeechEvent in interface SpeechEventDispatcher
    
    Overrides:
    
    dispatchSpeechEvent in class BaseEngine
    
    Parameters:
    
    event - the SpeechEvent to dispatch
    
    See Also:
    
    postQueueUpdated(boolean, long, long), postQueueEmptied(long, long)

Class BaseSynthesizer

Field Summary

Fields inherited from class com.sun.speech.engine.BaseEngine

Constructor Summary

Method Summary

Methods inherited from class com.sun.speech.engine.BaseEngine

Methods inherited from class java.lang.Object

Field Detail

speakableListeners

voiceList

Constructor Detail

BaseSynthesizer

Method Detail

speak

speak

speak

speakPlainText

stateToString

appendQueue

phoneme

enumerateQueue

cancel

cancel

cancelAll

getSynthesizerProperties

addSpeakableListener

removeSpeakableListener

createEngineProperties

createQueueItem

getVoiceList

postQueueUpdated

fireQueueUpdated

postQueueEmptied

fireQueueEmptied

dispatchSpeechEvent