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

Class IntegerGroup

java.lang.Object

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

org.apache.wicket.util.parse.metapattern.Group

org.apache.wicket.util.parse.metapattern.IntegerGroup

All Implemented Interfaces:

java.io.Serializable, IClusterable

public final class IntegerGroup
extends Group

A Group that captures integer values (positive and negative whole numbers, not Java ints).

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
IntegerGroup()	Constructs an IntegerGroup that parses Strings that match the INTEGER pattern in base 10.
IntegerGroup(MetaPattern pattern)	Constructs an IntegerGroup that parses Strings that match the given pattern in base 10.
IntegerGroup(MetaPattern pattern, int radix)	Constructs an IntegerGroup that parses Strings that match the given pattern in the given radix.

Method Summary

Modifier and Type	Method	Description
int	getInt(java.util.regex.Matcher matcher)
int	getInt(java.util.regex.Matcher matcher, int defaultValue)	Gets an int by parsing the String matched by this capturing group.
long	getLong(java.util.regex.Matcher matcher)
long	getLong(java.util.regex.Matcher matcher, long defaultValue)	Gets a long by parsing the String matched by this capturing group.

Methods inherited from class org.apache.wicket.util.parse.metapattern.Group

get, toString

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

IntegerGroup

public IntegerGroup()

Constructs an IntegerGroup that parses Strings that match the INTEGER pattern in base 10.

See Also:

MetaPattern.INTEGER

IntegerGroup

public IntegerGroup(MetaPattern pattern)

Constructs an IntegerGroup that parses Strings that match the given pattern in base 10.

Parameters:

pattern - The capturing pattern

IntegerGroup

public IntegerGroup(MetaPattern pattern,
                    int radix)

Constructs an IntegerGroup that parses Strings that match the given pattern in the given radix.

Parameters:

pattern - The capturing pattern

radix - The radix to use when parsing captured Strings

Method Detail

getInt

public int getInt(java.util.regex.Matcher matcher)

Parameters:

matcher - The matcher

Returns:

The value

See Also:

getInt(Matcher, int)

getInt

public int getInt(java.util.regex.Matcher matcher,
                  int defaultValue)

Gets an int by parsing the String matched by this capturing group. The IntegerGroup's radix is used in the conversion.

Parameters:

matcher - The matcher

defaultValue - The default value to use if this group is omitted because it is optional

Returns:

The parsed int value

getLong

public long getLong(java.util.regex.Matcher matcher)

Parameters:

matcher - The matcher

Returns:

The value

See Also:

getLong(Matcher)

getLong

public long getLong(java.util.regex.Matcher matcher,
                    long defaultValue)

Gets a long by parsing the String matched by this capturing group. The IntegerGroup's radix is used in the conversion. parsing radix.

Parameters:

defaultValue - The default value to use if this group is omitted because it is optional

matcher - The matcher

Returns:

The parsed long value