wffweb/src/main/java/com/webfirmframework/wffweb/css/BorderWidth.java
public static boolean isValid(final String cssValue) {
        final String trimmedCssValue = StringUtil.strip(cssValue).toLowerCase();
        final String[] cssValueParts = StringUtil.splitBySpace(trimmedCssValue);
        if (cssValueParts.length > 4) {
            return false;
        }
        for (final String cssValuePart : cssValueParts) {
            boolean invalidValue = true;
            for (final CssLengthUnit cssLengthUnit : CssLengthUnit.values()) {
                final String unit = cssLengthUnit.getUnit();
                if (cssValuePart.endsWith(unit)) {
                    final String valueOnly = cssValuePart.replaceFirst(unit,
                            "");
                    try {
                        Float.parseFloat(valueOnly);
                    } catch (final NumberFormatException e) {
                        break;
                    }
                    invalidValue = false;
                    break;
                }
            }
            if (PREDEFINED_CONSTANTS.contains(cssValuePart)) {
                invalidValue = false;
            }
            if (invalidValue) {
                return false;
            }
        }
        return true;
    }
public static boolean isValid(final String cssValue) {
        final String trimmedCssValue = StringUtil.strip(cssValue).toLowerCase();
        final String[] cssValueParts = StringUtil.splitBySpace(trimmedCssValue);
        if (cssValueParts.length > 4) {
            return false;
        }
        for (final String cssValuePart : cssValueParts) {
            boolean invalidValue = true;
            for (final CssLengthUnit cssLengthUnit : CssLengthUnit.values()) {
                final String unit = cssLengthUnit.getUnit();
                if (cssValuePart.endsWith(unit)) {
                    final String valueOnly = cssValuePart.replaceFirst(unit,
                            "");
                    try {
                        Float.parseFloat(valueOnly);
                    } catch (final NumberFormatException e) {
                        break;
                    }
                    invalidValue = false;
                    break;
                }
            }
            if (PREDEFINED_CONSTANTS.contains(cssValuePart)) {
                invalidValue = false;
            }
            if (invalidValue) {
                return false;
            }
        }
        return true;
    }
validates if the given cssValue is valid for this class.

@param cssValue
the value to check.
@return true if valid and false if invalid.
@author WFF
@since 1.0.0