Class PositiveIntegerColumn

java.lang.Object

io.github.kelsoncm.fwf.columns.AbstractColumn

io.github.kelsoncm.fwf.columns.PositiveIntegerColumn

Direct Known Subclasses:

PositiveDecimalColumn

public class PositiveIntegerColumn
extends AbstractColumn

Positive integer column represented as a zero-padded string of digits.

Field Summary

Fields inherited from class AbstractColumn

description, name, size, start

Constructor Summary

Constructors

Constructor	Description
PositiveIntegerColumn(String name, int size)	Constructs a new PositiveIntegerColumn with a name and size.
PositiveIntegerColumn(String name, int size, String description)	Constructs a new PositiveIntegerColumn with a name, size, and description.

Method Summary

Modifier and Type	Method	Description
String	toStr(Object value)	Formats a non-negative Number or null into a zero-padded string of exact column size.
Object	toValue(String slice)	Converts a raw fixed-width zero-padded integer slice into an Integer value.

Methods inherited from class AbstractColumn

getDescription, getEnd, getName, getSize, getStart, setStart, validateToStrSize

Methods inherited from class Object

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

Constructor Details

PositiveIntegerColumn

public PositiveIntegerColumn(String name,
 int size,
 String description)

Constructs a new PositiveIntegerColumn with a name, size, and description.

Parameters:

name - the column name

size - the column size in characters

description - human-readable description

PositiveIntegerColumn

public PositiveIntegerColumn(String name,
 int size)

Constructs a new PositiveIntegerColumn with a name and size.

Parameters:

name - the column name

size - the column size in characters

Method Details

toValue

public Object toValue(String slice)

Converts a raw fixed-width zero-padded integer slice into an Integer value.

Overrides:

toValue in class AbstractColumn

Parameters:

slice - raw fixed-width substring

Returns:

parsed integer value

Throws:

IllegalArgumentException - if slice is not a valid non-negative integer

toStr

public String toStr(Object value)

Formats a non-negative Number or null into a zero-padded string of exact column size.

Specified by:

toStr in class AbstractColumn

Parameters:

value - Number or null to format

Returns:

zero-padded string of size AbstractColumn.getSize()

Throws:

IllegalArgumentException - if value is negative or not a valid number