public Object getMappedProperty()

in src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java [475:518]
36 lines of code
8 McCabe index (conditional complexity)

    public Object getMappedProperty(final Object bean, final String name, final String key)
            throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
        Objects.requireNonNull(bean, "bean");
        Objects.requireNonNull(name, "name");
        Objects.requireNonNull(key, "key");
        // Handle DynaBean instances specially
        if (bean instanceof DynaBean) {
            final DynaProperty descriptor = ((DynaBean) bean).getDynaClass().getDynaProperty(name);
            if (descriptor == null) {
                throw new NoSuchMethodException("Unknown property '" + name + "'+ on bean class '" + bean.getClass() + "'");
            }
            return ((DynaBean) bean).get(name, key);
        }

        Object result = null;

        // Retrieve the property descriptor for the specified property
        final PropertyDescriptor descriptor = getPropertyDescriptor(bean, name);
        if (descriptor == null) {
            throw new NoSuchMethodException("Unknown property '" + name + "'+ on bean class '" + bean.getClass() + "'");
        }

        if (descriptor instanceof MappedPropertyDescriptor) {
            // Call the keyed getter method if there is one
            Method readMethod = ((MappedPropertyDescriptor) descriptor).getMappedReadMethod();
            readMethod = MethodUtils.getAccessibleMethod(bean.getClass(), readMethod);
            if (readMethod == null) {
                throw new NoSuchMethodException("Property '" + name + "' has no mapped getter method on bean class '" + bean.getClass() + "'");
            }
            result = invokeMethod(readMethod, bean, key);
        } else {
            /* means that the result has to be retrieved from a map */
            final Method readMethod = getReadMethod(bean.getClass(), descriptor);
            if (readMethod == null) {
                throw new NoSuchMethodException("Property '" + name + "' has no mapped getter method on bean class '" + bean.getClass() + "'");
            }
            final Object invokeResult = invokeMethod(readMethod, bean, BeanUtils.EMPTY_OBJECT_ARRAY);
            /* test and fetch from the map */
            if (invokeResult instanceof Map) {
                result = ((Map<?, ?>) invokeResult).get(key);
            }
        }
        return result;
    }