Class CharColumn

java.lang.Object

io.github.kelsoncm.fwf.columns.AbstractColumn

io.github.kelsoncm.fwf.columns.CharColumn

Direct Known Subclasses:

RightCharColumn

public class CharColumn
extends AbstractColumn

Character column representing a left-aligned, space-padded string.

Field Summary

Fields inherited from class AbstractColumn

description, name, size, start

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
String	toStr(Object value)	Formats a String or null into a left-aligned, space-padded string of exact column size.
String	toValue(String slice)	Converts a raw fixed-width string slice into a trimmed string 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

CharColumn

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

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

Parameters:

name - the column name

size - the column size in characters

description - human-readable description

CharColumn

public CharColumn(String name,
 int size)

Constructs a new CharColumn with a name and size.

Parameters:

name - the column name

size - the column size in characters

Method Details

toValue

public String toValue(String slice)

Converts a raw fixed-width string slice into a trimmed string value.

Overrides:

toValue in class AbstractColumn

Parameters:

slice - raw fixed-width substring

Returns:

trimmed string value

toStr

public String toStr(Object value)

Formats a String or null into a left-aligned, space-padded string of exact column size.

Specified by:

toStr in class AbstractColumn

Parameters:

value - String or null to format

Returns:

space-padded string of size AbstractColumn.getSize()

Throws:

IllegalArgumentException - if value is not a String or exceeds column size