18.9. 如何以 POJO 数据格式使用 camel-cxf 端点的消息

camel-cxf 端点消费者 POJO 数据格式基于 CXF 调用器，因此消息标头具有名为 CxfConstants.OPERATION_NAME 的属性，消息正文是 SEI 方法参数的列表。

考虑 PersonProcessor 示例代码：

public class PersonProcessor implements Processor {

    private static final Logger LOG = LoggerFactory.getLogger(PersonProcessor.class);

    @Override
    @SuppressWarnings("unchecked")
    public void process(Exchange exchange) throws Exception {
        LOG.info("processing exchange in camel");

        BindingOperationInfo boi = (BindingOperationInfo) exchange.getProperty(BindingOperationInfo.class.getName());
        if (boi != null) {
            LOG.info("boi.isUnwrapped" + boi.isUnwrapped());
        }
        // Get the parameters list which element is the holder.
        MessageContentsList msgList = (MessageContentsList) exchange.getIn().getBody();
        Holder<String> personId = (Holder<String>) msgList.get(0);
        Holder<String> ssn = (Holder<String>) msgList.get(1);
        Holder<String> name = (Holder<String>) msgList.get(2);

        if (personId.value == null || personId.value.length() == 0) {
            LOG.info("person id 123, so throwing exception");
            // Try to throw out the soap fault message
            org.apache.camel.wsdl_first.types.UnknownPersonFault personFault
                    = new org.apache.camel.wsdl_first.types.UnknownPersonFault();
            personFault.setPersonId("");
            org.apache.camel.wsdl_first.UnknownPersonFault fault
                    = new org.apache.camel.wsdl_first.UnknownPersonFault("Get the null value of person name", personFault);
            exchange.getMessage().setBody(fault);
            return;
        }

        name.value = "Bonjour";
        ssn.value = "123";
        LOG.info("setting Bonjour as the response");
        // Set the response message, first element is the return value of the operation,
        // the others are the holders of method parameters
        exchange.getMessage().setBody(new Object[] { null, personId, ssn, name });
    }

}