com.sun.speech.freetts
Class PathExtractorImpl

java.lang.Object
  com.sun.speech.freetts.PathExtractorImpl

All Implemented Interfaces:

PathExtractor

public class PathExtractorImpl

extends java.lang.Object

implements PathExtractor

Interface that Manages a feature or item path. Allows navigation to the corresponding feature or item. This class in controlled by the following system properties:

   com.sun.speech.freetts.interpretCartPaths - default false
   com.sun.speech.freetts.lazyCartCompile - default true
 

com.sun.speech.freetts.interpretCartPaths Instances of this class will optionally pre-compile the paths. Pre-compiling paths reduces the processing time and objects needed to extract a feature or an item based upon a path.

Field Summary

static java.lang.String	INTERPRET_PATHS_PROPERTY If this system property is set to true, paths will not be compiled.
static java.lang.String	LAZY_COMPILE_PROPERTY If this system property is set to true, CART feature/item paths will only be compiled as needed.

Constructor Summary

PathExtractorImpl(java.lang.String pathAndFeature, boolean wantFeature)
Creates a path for the given feature.

Method Summary

java.lang.Object	findFeature(Item item) Finds the feature associated with this Path.
Item	findItem(Item item) Finds the item associated with this Path.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

INTERPRET_PATHS_PROPERTY

public static final java.lang.String INTERPRET_PATHS_PROPERTY

If this system property is set to true, paths will not be compiled.

See Also:

Constant Field Values

LAZY_COMPILE_PROPERTY

public static final java.lang.String LAZY_COMPILE_PROPERTY

If this system property is set to true, CART feature/item paths will only be compiled as needed.

See Also:

Constant Field Values

Constructor Detail

PathExtractorImpl

public PathExtractorImpl(java.lang.String pathAndFeature,
                         boolean wantFeature)

Creates a path for the given feature.

Method Detail

findItem

public Item findItem(Item item)

Finds the item associated with this Path.

Specified by:

findItem in interface PathExtractor

Parameters:

item - the item to start at

Returns:

the item associated with the path or null

findFeature

public java.lang.Object findFeature(Item item)

Finds the feature associated with this Path.

Specified by:

findFeature in interface PathExtractor

Parameters:

item - the item to start at

Returns:

the feature associated or "0" if the feature was not found.

toString

public java.lang.String toString()