Package com.aspectran.shell.command.option

Class OptionUtils

java.lang.Object

com.aspectran.shell.command.option.OptionUtils

public final class OptionUtils
extends Object

Contains useful helper methods for classes within this package.

Constructor Summary

Constructors

Constructor	Description
OptionUtils()

Method Summary

Modifier and Type	Method	Description
static String	createPadding(int len)	Return a String of padding of length len.
static int	findWrapPos(String text, int width, int startPos)	Finds the next text wrap position after startPos for the text in text with the column width width.
static String	rtrim(String s)	Remove the trailing whitespace from the specified String.

Methods inherited from class java.lang.Object

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

Constructor Details

OptionUtils

public OptionUtils()

Method Details

createPadding

@NonNull
public static String createPadding(int len)

Return a String of padding of length len.

Parameters:

len - the length of the String of padding to create

Returns:

the String of padding

rtrim

public static String rtrim(String s)

Remove the trailing whitespace from the specified String.

Parameters:

s - the String to remove the trailing padding from

Returns:

the String of without the trailing padding

findWrapPos

public static int findWrapPos(@NonNull
 String text,
 int width,
 int startPos)

Finds the next text wrap position after startPos for the text in text with the column width width. The wrap point is the last position before startPos+width having a whitespace character (space, \n, \r). If there is no whitespace character before startPos+width, it will return startPos+width.

Parameters:

text - the text being searched for the wrap position

width - width of the wrapped text

startPos - position from which to start the lookup whitespace character

Returns:

position on which the text must be wrapped or -1 if the wrap position is at the end of the text