private ElementType updateType()

in spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/properties/source/ConfigurationPropertyName.java [876:896]

• 21 lines of code
• 12 McCabe index (conditional complexity)

		private ElementType updateType(ElementType existingType, char ch, int index) {
			if (existingType.isIndexed()) {
				if (existingType == ElementType.NUMERICALLY_INDEXED && !isNumeric(ch)) {
					return ElementType.INDEXED;
				}
				return existingType;
			}
			if (existingType == ElementType.EMPTY && isValidChar(ch, index)) {
				return (index == 0) ? ElementType.UNIFORM : ElementType.NON_UNIFORM;
			}
			if (existingType == ElementType.UNIFORM && ch == '-') {
				return ElementType.DASHED;
			}
			if (!isValidChar(ch, index)) {
				if (existingType == ElementType.EMPTY && !isValidChar(Character.toLowerCase(ch), index)) {
					return ElementType.EMPTY;
				}
				return ElementType.NON_UNIFORM;
			}
			return existingType;
		}