net.sf.jga.fn.string
Class Match

java.lang.Object
  net.sf.jga.fn.UnaryFunctor<T,java.lang.Boolean>
      net.sf.jga.fn.UnaryPredicate<java.lang.String>
          net.sf.jga.fn.string.Match

All Implemented Interfaces:

java.io.Serializable, Visitable

public class Match
extends UnaryPredicate<java.lang.String>

Unary Functor that tests a string argument against a given regular expression.

Copyright © 2003 David A. Hall

Author:

David A. Hall

See Also:

Serialized Form

Nested Class Summary

static interface

Match.Visitor Interface for classes that may interpret a Match predicate.

Constructor Summary

Match()
Builds a Match with an empty string pattern

Match(java.util.regex.Pattern pattern)
Builds a Match with a given Pattern

Match(java.lang.String regex)
Builds a Match with a given regular expression

Method Summary

void	accept(Visitor v) Calls the Visitor's visit(Match) method, if it implements the nested Visitor interface.
java.lang.Boolean	fn(java.lang.String arg) Tests a string against the regular expression given at construction
java.lang.String	getRegex() Returns the format object used to present values in formatted form.
java.lang.String	toString()

Methods inherited from class net.sf.jga.fn.UnaryPredicate

p

Methods inherited from class net.sf.jga.fn.UnaryFunctor

bind, compose, compose, generate

Methods inherited from class java.lang.Object

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

Constructor Detail

Match

public Match()

Builds a Match with an empty string pattern

Match

public Match(java.lang.String regex)

Builds a Match with a given regular expression

Match

public Match(java.util.regex.Pattern pattern)

Builds a Match with a given Pattern

Method Detail

getRegex

public java.lang.String getRegex()

Returns the format object used to present values in formatted form.

Returns:

the format used to present values

fn

public java.lang.Boolean fn(java.lang.String arg)

Tests a string against the regular expression given at construction

Specified by:

fn in class UnaryFunctor<java.lang.String,java.lang.Boolean>

Parameters:

arg - the value to tested

Returns:

true if the string matches the regular expression given at construction

accept

public void accept(Visitor v)

Calls the Visitor's visit(Match) method, if it implements the nested Visitor interface.

Specified by:

accept in interface Visitable

Overrides:

accept in class UnaryFunctor<java.lang.String,java.lang.Boolean>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object