protected boolean isNonNullAndNonBlank(final String value) {
        return value != null && !value.trim().isEmpty();
    }
Checks whether the given value is non null and non blank.

@param value The value to check.
@return True, if the given value was neither null nor blank. False otherwise.
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/channelfactory/AbstractChannelFactory.java