jodd-lagarto/src/main/java/jodd/lagarto/dom/Attribute.java
public boolean isContaining(final String include) {
		if (value == null) {
			return false;
		}
		if (splits == null) {
			splits = StringUtil.splitc(value, ' ');
		}

		for (String s: splits) {
			if (s.equals(include)) {
				return true;
			}
		}
		return false;
	}
public boolean isContaining(final String include) {
		if (value == null) {
			return false;
		}
		if (splits == null) {
			splits = StringUtil.splitc(value, ' ');
		}

		for (String s: splits) {
			if (s.equals(include)) {
				return true;
			}
		}
		return false;
	}
Returns true if attribute is containing some value.