org.jcon.text
Class FixedLengthFieldPicture

java.lang.Object
  org.jcon.text.FixedLengthFieldPicture

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

AlphanumericPicture, ArrayPicture, CurrencyPicture, FixedPointPicture, NumericPicture

public abstract class FixedLengthFieldPicture
extends java.lang.Object
implements java.io.Serializable

A "picture", or format description, for a fixed-width field.

Version:

1.0 1/30/97

Author:

Paul Reavis

See Also:

Serialized Form

Field Summary

protected java.lang.String

blank

Constructor Summary

FixedLengthFieldPicture()
Create a new, blank picture.

FixedLengthFieldPicture(int length)
Create a new, picture of the given length

Method Summary

abstract char[]	format(java.lang.Object value) Return a character array holding the formatted value corresponding to the provided object.
int	getLength()
void	setLength(int newlength)
abstract java.lang.Object	unformat(java.lang.String fieldContents) Return an object corresponding to the value of a string in this picture's format.

Methods inherited from class java.lang.Object

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

Field Detail

blank

protected transient java.lang.String blank

Constructor Detail

FixedLengthFieldPicture

public FixedLengthFieldPicture()

Create a new, blank picture.

FixedLengthFieldPicture

public FixedLengthFieldPicture(int length)

Create a new, picture of the given length

Method Detail

format

public abstract char[] format(java.lang.Object value)

Return a character array holding the formatted value corresponding to the provided object.

unformat

public abstract java.lang.Object unformat(java.lang.String fieldContents)

Return an object corresponding to the value of a string in this picture's format.

getLength

public int getLength()

setLength

public void setLength(int newlength)