Class BackgroundPositionHelper

java.lang.Object

dev.jcputney.mjml.util.BackgroundPositionHelper

public final class BackgroundPositionHelper
extends Object

Normalizes CSS background-position values to "x y" format. Shared by MjSection and MjWrapper.

Method Summary

Modifier and Type	Method	Description
static boolean	isXValue(String val)	Checks whether the given value is a horizontal (x-axis) position keyword.
static boolean	isYValue(String val)	Checks whether the given value is a vertical (y-axis) position keyword.
static String	normalize(String pos)	Normalizes background position to "x y" format.

Methods inherited from class Object

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

Method Details

normalize

public static String normalize(String pos)

Normalizes background position to "x y" format. Swaps y-x order: "top center" becomes "center top". Single values get "center" appended: "50%" becomes "50% center". Null/empty returns "center top".

Parameters:

pos - the background position string to normalize, may be null or empty

Returns:

the normalized background position in "x y" format

isYValue

public static boolean isYValue(String val)

Checks whether the given value is a vertical (y-axis) position keyword.

Parameters:

val - the CSS position value to check

Returns:

true if the value is "top" or "bottom", false otherwise

isXValue

public static boolean isXValue(String val)

Checks whether the given value is a horizontal (x-axis) position keyword.

Parameters:

val - the CSS position value to check

Returns:

true if the value is "left", "right", or "center", false otherwise