Method invoke

java/jakarta/el/BeanELResolver.java:124–154

(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params)

    }

    @Override
    public Object invoke(ELContext context, Object base, Object method, Class<?>[] paramTypes, Object[] params) {
        Objects.requireNonNull(context);
        if (base == null || method == null) {
            return null;
        }

        ExpressionFactory factory = ELManager.getExpressionFactory();

        String methodName = factory.coerceToType(method, String.class);

        // Find the matching method
        Method matchingMethod = Util.findMethod(context, base.getClass(), base, methodName, paramTypes, params);

        Object[] parameters =
                Util.buildParameters(context, matchingMethod.getParameterTypes(), matchingMethod.isVarArgs(), params);

        Object result;
        try {
            result = matchingMethod.invoke(base, parameters);
        } catch (IllegalArgumentException | IllegalAccessException e) {
            throw new ELException(e);
        } catch (InvocationTargetException e) {
            Throwable cause = e.getCause();
            Util.handleThrowable(cause);
            throw new ELException(cause);
        }

        context.setPropertyResolved(base, method);
        return result;
    }

    @Override
    public boolean isReadOnly(ELContext context, Object base, Object property) {