org.brains2b.struct.position

Class RegExPosition

java.lang.Object

org.brains2b.struct.position.RegExPosition

All Implemented Interfaces:

Position

public class RegExPosition
extends java.lang.Object
implements Position

Test a position on the basis of a regular expression

Version:

$Revision$ $Date$

See Also:

Pattern, Matcher

Constructor Summary

Constructors

Constructor and Description
RegExPosition(java.lang.String token) Constructor

Method Summary

Modifier and Type	Method and Description
int	getLength() get the length of the position returned by Position.getPosition(String, int)
int	getPosition(java.lang.String line, int begin) get a position in a line, not before begin or return -1

Methods inherited from class java.lang.Object

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

Constructor Detail

RegExPosition

public RegExPosition(java.lang.String token)

Constructor

Parameters:

token - String, the token that should be found

Throws:

java.lang.IllegalArgumentException - if token is null or an empty String

Method Detail

getPosition

public final int getPosition(java.lang.String line,
                             int begin)

get a position in a line, not before begin or return -1

Specified by:

getPosition in interface Position

Parameters:

line - String, the line to find the position in

begin - int, the location to start from

Returns:

int a position after begin, or -1

getLength

public final int getLength()

get the length of the position returned by Position.getPosition(String, int)

Specified by:

getLength in interface Position

Returns:

int length of the position, usually the length of the mark the position found, but can be 0