org.apache.xalan.templates
Class ElemNumber.NumberFormatStringTokenizer

java.lang.Object
  org.apache.xalan.templates.ElemNumber.NumberFormatStringTokenizer

Enclosing class:

ElemNumber

class ElemNumber.NumberFormatStringTokenizer

extends Object

This class returns tokens using non-alphanumberic characters as delimiters.

Field Summary

private int	currentPosition Current position in the format string
private int	maxPosition Index of last character in the format string
private String	str Format string to be tokenized

Constructor Summary

ElemNumber.NumberFormatStringTokenizer(String str)
Construct a NumberFormatStringTokenizer.

Method Summary

int	countTokens() Calculates the number of times that this tokenizer's nextToken method can be called before it generates an exception.
boolean	hasMoreTokens() Tells if nextToken will throw an exception if it is called.
boolean	isLetterOrDigitAhead() Tells if there is a digit or a letter character ahead.
boolean	nextIsSep() Tells if there is a digit or a letter character ahead.
String	nextToken() Returns the next token from this string tokenizer.
void	reset() Reset tokenizer so that nextToken() starts from the beginning.

Methods inherited from class java.lang.Object

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

Field Detail

currentPosition

private int currentPosition

Current position in the format string

maxPosition

private int maxPosition

Index of last character in the format string

str

private String str

Format string to be tokenized

Constructor Detail

ElemNumber.NumberFormatStringTokenizer

public ElemNumber.NumberFormatStringTokenizer(String str)

Construct a NumberFormatStringTokenizer.

Parameters:

str - Format string to be tokenized

Method Detail

reset

public void reset()

Reset tokenizer so that nextToken() starts from the beginning.

nextToken

public String nextToken()

Returns the next token from this string tokenizer.

Returns:

the next token from this string tokenizer.

Throws:

NoSuchElementException - if there are no more tokens in this tokenizer's string.

isLetterOrDigitAhead

public boolean isLetterOrDigitAhead()

Tells if there is a digit or a letter character ahead.

Returns:

true if there is a number or character ahead.

nextIsSep

public boolean nextIsSep()

Tells if there is a digit or a letter character ahead.

Returns:

true if there is a number or character ahead.

hasMoreTokens

public boolean hasMoreTokens()

Tells if nextToken will throw an exception if it is called.

Returns:

true if nextToken can be called without throwing an exception.

countTokens

public int countTokens()

Calculates the number of times that this tokenizer's nextToken method can be called before it generates an exception.

Returns:

the number of tokens remaining in the string using the current delimiter set.

See Also:

StringTokenizer.nextToken()