Package org.apache.wicket.util.parse.metapattern

Class OptionalMetaPattern

java.lang.Object

org.apache.wicket.util.parse.metapattern.MetaPattern

org.apache.wicket.util.parse.metapattern.OptionalMetaPattern

All Implemented Interfaces:

java.io.Serializable, IClusterable

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

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.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, XML_ELEMENT_NAME

Constructor Summary

Constructors

Constructor	Description
OptionalMetaPattern(java.lang.String pattern)	Constructor
OptionalMetaPattern(java.util.List<MetaPattern> patterns)	Constructor
OptionalMetaPattern(MetaPattern pattern)	Constructor
OptionalMetaPattern(MetaPattern[] patterns)	Constructor

Method Summary

Modifier and Type	Method	Description
java.lang.String	toString()	Converts this MetaPattern to a String.

Methods inherited from class org.apache.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<MetaPattern> 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()