Method assertValidName

src/main/java/graphql/Assert.java:234–239

Validates that the Lexical token name matches the current spec. currently non null, non empty, @param name - the name to be validated. @return the name if valid, or AssertException if invalid.

(@Nullable String name)

     * @return the name if valid, or AssertException if invalid.
     */
    public static String assertValidName(@Nullable String name) {
        if (name != null && isValidName(name)) {
            return name;
        }
        return throwAssert(invalidNameErrorMessage, String.valueOf(name));
    }

    /**
     * Fast character-by-character validation without regex.