Merge "Add message template support for checkStringNotEmpty"

        return string;

    }

    /**

     * Ensures that an string reference passed as a parameter to the calling method is not empty.

     *

     * @param string an string reference

     * @param messageTemplate a printf-style message template to use if the check fails; will be

     *     converted to a string using {@link String#format(String, Object...)}

     * @param messageArgs arguments for {@code messageTemplate}

     * @return the string reference that was validated

     * @throws IllegalArgumentException if {@code string} is empty

     */

    public static @NonNull <T extends CharSequence> T checkStringNotEmpty(

            final T string, final String messageTemplate, final Object... messageArgs) {

        if (TextUtils.isEmpty(string)) {

            throw new IllegalArgumentException(String.format(messageTemplate, messageArgs));

        }

        return string;

    }

    /**

     * Ensures that an object reference passed as a parameter to the calling

     * method is not null.