net.sf.jga.fn.string
Class Match

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

All Implemented Interfaces:

java.io.Serializable, Visitable

public class Match
extends UnaryFunctor<java.lang.String,java.lang.Boolean>

Unary Functor that tests a string argument against a given regular expression. The expression is not presumed to be anchored: if any part of the input string matches the regular expression, then the result will be true.

Copyright © 2003-2005 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.UnaryFunctor

bind, bind0th, bindNth, compose, compose, compose, composeNth, composeNth, eval, generate, generateNth

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 Functor<java.lang.Boolean>

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object