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

java.lang.Object
  extended by org.apache.wicket.util.parse.metapattern.MetaPattern
      extended by 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
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 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 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()


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