kwic
Class DefaultWordFilter

java.lang.Object
  |
  +--kwic.DefaultWordFilter

All Implemented Interfaces:

WordCanonical

public class DefaultWordFilter

extends Object

implements WordCanonical

A default implementation of the WordCanonical interface. Why isn't this a private class of Word? Why isn't this an inner class of Word?

Constructor Summary

DefaultWordFilter()

Method Summary

static kwic.WordCanonical	instance() Singleton pattern: return one instance, always the same, of this class.
String	makeCanonical(String temp) Filter the supplied String (which is the String of a Word presumably) into a canonical form for subsequent matching.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultWordFilter

public DefaultWordFilter()

Method Detail

makeCanonical

public String makeCanonical(String temp)

Filter the supplied String (which is the String of a Word presumably) into a canonical form for subsequent matching. For this default filter, do the following:

• Remove punctuation and spaces.
• Convert to lower case.

Specified by:

makeCanonical in interface WordCanonical

instance

public static kwic.WordCanonical instance()

Singleton pattern: return one instance, always the same, of this class.