如何使用XMLAdapter指定哪个类的实例是非编组的？

Question

我有以下java类，并在payerPartyReference变量上放置了一个XmlJavaAdapter注释。我希望适配器PartyReferenceAdapter仅用于解组此变量，而不是任何其他具有相同类型的PartyReference的变量，无论是在此类还是其他类中。我怎样才能做到这一点？谢谢你的帮助！

public class InitialPayment extends PaymentBase
{

    // Want PartyReferenceAdapter to be used here
    @XmlJavaTypeAdapter(PartyReferenceAdapter.class)
    protected PartyReference payerPartyReference;
    //
    // Dont want PartyReferenceAdapter to be used here
    protected PartyReference receiverPartyReference;
    //
    protected AccountReference receiverAccountReference;
    @XmlSchemaType(name = "date")
    protected XMLGregorianCalendar adjustablePaymentDate;
    @XmlSchemaType(name = "date")
    protected XMLGregorianCalendar adjustedPaymentDate;
    protected Money paymentAmount;
}

我的适配器定义如下：

public class PartyReferenceAdapter 
    extends XmlAdapter < Object, PartyReference > {

  public PartyReference unmarshal(Object obj) throws Exception {

     Element element = null;

     if (obj instanceof Element) {

        element = (Element)obj;

        String reference_id = element.getAttribute("href");
        PartyReference pr = new PartyReference();
        pr.setHref(reference_id);                   
        return pr;

    }

    public Object marshal(PartyReference arg0) throws Exception {
     return null;
    }
}

Answer 1

字段/属性级别

如果在字段/属性上设置@XmlJavaTypeAdapter，它将仅用于该属性。

• http://bdoughan.blogspot.com/2010/07/xmladapter-jaxbs-secret-weapon.html

类型级别

如果在类型上设置@XmlJavaTypeAdapter，则它将用于对该类型的所有引用。

• http://bdoughan.blogspot.com/2010/12/jaxb-and-immutable-objects.html

套餐级别

如果在包上设置@XmlJavaTypeAdapter，那么它将用于该包中对该类型的所有引用：

• http://bdoughan.blogspot.com/2011/05/jaxb-and-joda-time-dates-and-times.html