junit-servers-core/src/main/java/com/github/mjeanroy/junit/servers/commons/Strings.java
static boolean isBlank(String value) {
		if (value == null) {
			return true;
		}

		for (char character : value.toCharArray()) {
			if (!Character.isWhitespace(character)) {
				return false;
			}
		}

		return true;
	}
static boolean isBlank(String value) {
		if (value == null) {
			return true;
		}

		for (char character : value.toCharArray()) {
			if (!Character.isWhitespace(character)) {
				return false;
			}
		}

		return true;
	}
Check that given string is blank.

@param value String to check.
@return {@code true} if string is blank, {@code false} otherwise.