wicket.util.parse.metapattern
Class OptionalMetaPattern

java.lang.Object
  wicket.util.parse.metapattern.MetaPattern
      wicket.util.parse.metapattern.OptionalMetaPattern

public final class OptionalMetaPattern
extends MetaPattern

Makes any MetaPattern optional by enclosing the pattern in an optionality expression. The expression will be something equivalent to "(?:<pattern>)?".

Author:

Jonathan Locke

Field Summary

Fields inherited from class wicket.util.parse.metapattern.MetaPattern

AMPERSAND, ANYTHING, ANYTHING_NON_EMPTY, AT_SIGN, BACKSLASH, COLON, COMMA, DASH, DIGIT, DIGITS, DOLLAR_SIGN, DOT, DOUBLE_QUOTED_STRING, EQUALS, EXCLAMATION_POINT, FLOATING_POINT_NUMBER, HEXADECIMAL_DIGIT, HEXADECIMAL_DIGITS, INTEGER, LEFT_CURLY, LEFT_PAREN, LEFT_SQUARE, MINUS, NON_WORD, OPTIONAL_STRING, OPTIONAL_WHITESPACE, OPTIONAL_WORD, PERCENT, PERL_INTERPOLATION, PIPE, PLUS, POSITIVE_INTEGER, POUND_SIGN, RIGHT_CURLY, RIGHT_PAREN, RIGHT_SQUARE, SEMICOLON, SLASH, STAR, STRING, TILDE, UNDERSCORE, VARIABLE_NAME, WHITESPACE, WORD, XML_ATTRIBUTE_NAME

Constructor Summary

OptionalMetaPattern(java.util.List patterns)
Constructor

OptionalMetaPattern(MetaPattern pattern)
Constructor

OptionalMetaPattern(MetaPattern[] patterns)
Constructor

OptionalMetaPattern(java.lang.String pattern)
Constructor

Method Summary

java.lang.String

toString() Converts this MetaPattern to a String.

Methods inherited from class wicket.util.parse.metapattern.MetaPattern

matcher, matcher, pattern, pattern

Methods inherited from class java.lang.Object

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

Constructor Detail

OptionalMetaPattern

public OptionalMetaPattern(java.lang.String pattern)

Constructor

Parameters:

pattern -

OptionalMetaPattern

public OptionalMetaPattern(MetaPattern pattern)

Constructor

Parameters:

pattern - MetaPattern to make optional

OptionalMetaPattern

public OptionalMetaPattern(java.util.List patterns)

Constructor

Parameters:

patterns -

OptionalMetaPattern

public OptionalMetaPattern(MetaPattern[] patterns)

Constructor

Parameters:

patterns -

Method Detail

toString

public java.lang.String toString()

Description copied from class: MetaPattern

Converts this MetaPattern to a String.

Overrides:

toString in class MetaPattern

Returns:

String representation of this pattern

See Also:

Object.toString()