net.sf.jagg
Class PropertyScanner

java.lang.Object
  net.sf.jagg.PropertyScanner

public class PropertyScanner
extends java.lang.Object

This class is a scanner that helps to parse a property specification string.

Since:

0.1.0

Author:

Randy Gettman

Nested Class Summary

static class

PropertyScanner.Token Enumeration for the different types of Tokens.

Constructor Summary

PropertyScanner()
Construct a PropertyScanner object, with empty input.

PropertyScanner(java.lang.String propertyText)
Construct a PropertyScanner object, with the given input.

Method Summary

java.lang.String	getCurrLexeme() Returns the current lexeme after a call to getNextToken.
PropertyScanner.Token	getNextToken() Returns the Token.
void	reset() Resets the scanner to the beginning of the property text string.
void	setPropertyText(java.lang.String propertyText) Give the PropertyScanner another property text string to scan.

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyScanner

public PropertyScanner()

Construct a PropertyScanner object, with empty input.

PropertyScanner

public PropertyScanner(java.lang.String propertyText)

Construct a PropertyScanner object, with the given input.

Parameters:

propertyText - property tag text to scan.

Method Detail

getNextToken

public PropertyScanner.Token getNextToken()

Returns the Token. After this call completes, the current lexeme is available via a call to getCurrLexeme. Starts looking at the current offset, and once the token is found, then the offset is advanced to the start of the next token.

Returns:

A Token.

See Also:

getCurrLexeme()

getCurrLexeme

public java.lang.String getCurrLexeme()

Returns the current lexeme after a call to getNextToken.

Returns:

The current lexeme, or null if getNextToken hasn't been called yet after a reset.

See Also:

getNextToken(), reset()

reset

public void reset()

Resets the scanner to the beginning of the property text string.

setPropertyText

public void setPropertyText(java.lang.String propertyText)

Give the PropertyScanner another property text string to scan. Resets to the beginning of the string.

Parameters:

propertyText - The property text to scan.