wffweb/src/main/java/com/webfirmframework/wffweb/css/css3/WebkitFlex.java
public static boolean isValid(final String cssValue) {
        // TODO modify to make a strict validation
        if (cssValue == null || StringUtil.isBlank(cssValue)) {
            return false;
        }

        final String[] cssValueParts = StringUtil.splitBySpace(cssValue);

        WebkitFlexGrow webkitFlexGrow = null;
        WebkitFlexShrink webkitFlexShrink = null;
        WebkitFlexBasis webkitFlexBasis = null;

        for (final String eachPart : cssValueParts) {
            boolean invalid = true;

            if (webkitFlexGrow == null && WebkitFlexGrow.isValid(eachPart)) {
                webkitFlexGrow = new WebkitFlexGrow(eachPart);
                invalid = false;
            } else if (webkitFlexShrink == null
                    && WebkitFlexShrink.isValid(eachPart)) {
                webkitFlexShrink = new WebkitFlexShrink(eachPart);
                invalid = false;
            } else if (webkitFlexBasis == null
                    && WebkitFlexBasis.isValid(eachPart)) {
                webkitFlexBasis = new WebkitFlexBasis(eachPart);
                invalid = false;
            }
            if (invalid) {
                return false;
            }
        }

        return webkitFlexGrow != null || webkitFlexShrink != null
                || webkitFlexBasis != null;
    }
public static boolean isValid(final String cssValue) {
        // TODO modify to make a strict validation
        if (cssValue == null || StringUtil.isBlank(cssValue)) {
            return false;
        }

        final String[] cssValueParts = StringUtil.splitBySpace(cssValue);

        WebkitFlexGrow webkitFlexGrow = null;
        WebkitFlexShrink webkitFlexShrink = null;
        WebkitFlexBasis webkitFlexBasis = null;

        for (final String eachPart : cssValueParts) {
            boolean invalid = true;

            if (webkitFlexGrow == null && WebkitFlexGrow.isValid(eachPart)) {
                webkitFlexGrow = new WebkitFlexGrow(eachPart);
                invalid = false;
            } else if (webkitFlexShrink == null
                    && WebkitFlexShrink.isValid(eachPart)) {
                webkitFlexShrink = new WebkitFlexShrink(eachPart);
                invalid = false;
            } else if (webkitFlexBasis == null
                    && WebkitFlexBasis.isValid(eachPart)) {
                webkitFlexBasis = new WebkitFlexBasis(eachPart);
                invalid = false;
            }
            if (invalid) {
                return false;
            }
        }

        return webkitFlexGrow != null || webkitFlexShrink != null
                || webkitFlexBasis != null;
    }
checks the given css value is valid for this class. It does't do a strict
validation.

@param cssValue
@return
@since 1.0.0
@author WFF