to.etc.domui.converter

Class MiniScanner

java.lang.Object

to.etc.domui.converter.MiniScanner

public class MiniScanner
extends Object

A helper class which handles string scanning for converters.

Author:

Frits Jalvingh Created on Jul 29, 2009

Constructor Summary

Constructors

Constructor and Description
MiniScanner()

Method Summary

Modifier and Type	Method and Description
boolean	accept() Move past the "current" character to the next one; return false if eof.
boolean	copy() Accept the current character and copy it to the buffer; return eof if we are at eof after the accept.
void	copy(int i)
boolean	eof() Return T if at eof.
boolean	eofSkipWS() Returns T if all that is left is whitespace before eof.
static MiniScanner	getInstance() Get a miniscanner instance.
String	getStringResult() Returns the string built in the buffer and clears the buffer in the process.
void	init(String in) Reset the scanner for a next string to scan.
int	LA() Return the character at the current location, or -1 if at end of the string.
int	LA(int ix) Return the nth char after the current location, or -1 if that is past the end of the string.
boolean	match(String s)
long	scanDuration(String in)
boolean	scanLaxNumber(String input, int scale, boolean useStrictScale) Does LAX Scanning on input using numeric (non monetary) values parser.
boolean	scanLaxWithCurrencySign(String in, int scale, boolean useStrictScale) Scans the input as a lax euro string and leave the buffer to hold a parseable numeric string for one of the to-java-type converters.
boolean	skip(char c) If the current character equals the specified one skip it by accept() and return true, else do nothing and return false.
void	skipWs() Skip till the 1st non-ws character.
int	val() Returns the last integer "value" scanned.

Methods inherited from class java.lang.Object

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

Constructor Detail

MiniScanner

public MiniScanner()

Method Detail

getInstance

public static MiniScanner getInstance()

Get a miniscanner instance. This is the preferred method to allocate one if you need it a lot (it caches an instance in a threadlocal).

Returns:

init

public void init(String in)

Reset the scanner for a next string to scan.

Parameters:

in -

LA

public int LA()

Return the character at the current location, or -1 if at end of the string.

Returns:

LA

public int LA(int ix)

Return the nth char after the current location, or -1 if that is past the end of the string.

Parameters:

ix -

Returns:

accept

public boolean accept()

Move past the "current" character to the next one; return false if eof.

copy

public boolean copy()

Accept the current character and copy it to the buffer; return eof if we are at eof after the accept.

Returns:

copy

public void copy(int i)

skip

public boolean skip(char c)

If the current character equals the specified one skip it by accept() and return true, else do nothing and return false.

Parameters:

c -

Returns:

eof

public boolean eof()

Return T if at eof.

Returns:

getStringResult

public String getStringResult()

Returns the string built in the buffer and clears the buffer in the process.

Returns:

eofSkipWS

public boolean eofSkipWS()

Returns T if all that is left is whitespace before eof.

Returns:

scanLaxWithCurrencySign

public boolean scanLaxWithCurrencySign(String in,
                                       int scale,
                                       boolean useStrictScale)
                                throws ValidationException

Scans the input as a lax euro string and leave the buffer to hold a parseable numeric string for one of the to-java-type converters.

Throws:

ValidationException

scanLaxNumber

public boolean scanLaxNumber(String input,
                             int scale,
                             boolean useStrictScale)
                      throws ValidationException

Does LAX Scanning on input using numeric (non monetary) values parser.

Parameters:

input -

scale -

useStrictScale -

Returns:

Throws:

ValidationException

val

public int val()

Returns the last integer "value" scanned.

Returns:

scanDuration

public long scanDuration(String in)

skipWs

public void skipWs()

Skip till the 1st non-ws character.

match

public boolean match(String s)