wffweb/src/main/java/com/webfirmframework/wffweb/css/ListStyle.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);

        ListStyleType listStyleType = null;
        ListStylePosition listStylePosition = null;
        ListStyleImage listStyleImage = null;

        for (final String eachPart : cssValueParts) {
            boolean invalid = true;
            if (listStyleType == null && ListStyleType.isValid(eachPart)) {
                listStyleType = ListStyleType.getThis(eachPart);
                invalid = false;
            } else if (listStylePosition == null
                    && ListStylePosition.isValid(eachPart)) {
                listStylePosition = ListStylePosition.getThis(eachPart);
                invalid = false;
            } else if (listStyleImage == null
                    && ListStyleImage.isValid(eachPart)) {
                listStyleImage = new ListStyleImage(eachPart);
                invalid = false;
            }
            if (invalid) {
                return false;
            }
        }

        return listStyleType != null || listStylePosition != null
                || listStyleImage != 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);

        ListStyleType listStyleType = null;
        ListStylePosition listStylePosition = null;
        ListStyleImage listStyleImage = null;

        for (final String eachPart : cssValueParts) {
            boolean invalid = true;
            if (listStyleType == null && ListStyleType.isValid(eachPart)) {
                listStyleType = ListStyleType.getThis(eachPart);
                invalid = false;
            } else if (listStylePosition == null
                    && ListStylePosition.isValid(eachPart)) {
                listStylePosition = ListStylePosition.getThis(eachPart);
                invalid = false;
            } else if (listStyleImage == null
                    && ListStyleImage.isValid(eachPart)) {
                listStyleImage = new ListStyleImage(eachPart);
                invalid = false;
            }
            if (invalid) {
                return false;
            }
        }

        return listStyleType != null || listStylePosition != null
                || listStyleImage != 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