DefaultMXBeanMappingFactory.java 文件源码

@Override
final Object toNonNullOpenValue(Object value)
        throws OpenDataException {
    CompositeType ct = (CompositeType) getOpenType();
    if (value instanceof CompositeDataView)
        return ((CompositeDataView) value).toCompositeData(ct);
    if (value == null)
        return null;

    Object[] values = new Object[getters.length];
    for (int i = 0; i < getters.length; i++) {
        try {
            Object got = MethodUtil.invoke(getters[i], value, (Object[]) null);
            values[i] = getterMappings[i].toOpenValue(got);
        } catch (Exception e) {
            throw openDataException("Error calling getter for " +
                                    itemNames[i] + ": " + e, e);
        }
    }
    return new CompositeDataSupport(ct, itemNames, values);
}