Method coerce

java/jakarta/el/ArrayELResolver.java:159–173

(Object property)

    }

    private static int coerce(Object property) {
        if (property instanceof Number) {
            return ((Number) property).intValue();
        }
        if (property instanceof Character) {
            return ((Character) property).charValue();
        }
        if (property instanceof Boolean) {
            return ((Boolean) property).booleanValue() ? 1 : 0;
        }
        if (property instanceof String) {
            return Integer.parseInt((String) property);
        }
        throw new IllegalArgumentException(property != null ? property.toString() : "null");
    }

}