将自定义 JAXB 上下文与 Jersey 客户端一起使用

Using custom JAXB context with Jersey client

我正在使用 Jersey 客户端 1.8 + JAXB。我想要 post 一个 JSON 有效负载,如下所示:

{
    "transactions": [ 
    {
        "amount":
        {
            "currency":"EUR","total":"1"
        }
        ...
    }
    ],
}

我有一个如下所示的 DTO:

@XmlRootElement
public class PaymentRequestDTO
{
    @XmlElement(name="transactions")
    public List<TransactionDTO> getTransactions()
    {
        return transactions;
    }
}   

当列表只包含一笔交易时,我post是:

{
    "transactions": {
        "amount":
        {
            "currency":"EUR","total":"1"
        }
        ...
    }
}

事务不被视为数组...我已经浪费了几个小时来研究这个问题,包括。在 SO 中进行了大量搜索,我读到我必须注册自己的上下文解析器 -> here

这里是:

@Provider
public class XXXJAXBContextResolver implements ContextResolver<JAXBContext>
{
    private JAXBContext context;

    private Class<?>[] types = { PaymentRequestDTO.class, TransactionDTO.class, AmountDTO.class };

    public XXXJAXBContextResolver() throws Exception
    {
        this.context = new JSONJAXBContext(JSONConfiguration.natural().build(), types);
    }

    @Override
    public JAXBContext getContext(Class<?> objectType)
    {
        for (Class<?> type : types)
        {
            if (type == objectType)
            {
                return context;
            }
        }
        return null;
    }
}

注册本身:

ClientConfig cc = new DefaultClientConfig();
cc.getClasses().add(XXXJAXBContextResolver.class);
client = Client.create(cc);

我用过所谓的自然表示法:

The natural JSON notation, leveraging closely-coupled JAXB RI integration.

Example JSON expression:

{"columns":[{"id":"userid","label":"UserID"},{"id":"name","label":"User Name"}],"rows":[{"userid":1621,"name":"Grotefend"}]}

Link.

仍然是相同的结果 - 负载中没有数组。我错过了什么吗?

参考资料:

我已经激活了POJO映射(意味着下面使用了jackson)并且生成的JSON是我需要的......嗯......

ClientConfig cc = new DefaultClientConfig();
cc.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);