public static boolean isNotEmpty(CharSequence cs) {
        return !StringUtils.isEmpty(cs);
    }
<p>Checks if a CharSequence is not empty ("") and not null.</p>

<pre>
StringUtils.isNotEmpty(null)      = false
StringUtils.isNotEmpty("")        = false
StringUtils.isNotEmpty(" ")       = true
StringUtils.isNotEmpty("bob")     = true
StringUtils.isNotEmpty("  bob  ") = true
</pre>

@param cs the CharSequence to check, may be null
@return {@code true} if the CharSequence is not empty and not null
pay-java-common/src/main/java/com/egzosn/pay/common/util/str/StringUtils.java