可以同时以JSON(P)和XML响应并且仍用作SOAP Web服务的RESTful WCF服务吗? [英] RESTful WCF service that can respond in both JSON(P) and XML and still be used as SOAP web service?

问题描述

给出合同，例如:

[ServiceContract] public interface IService
{
    [OperationContract]
    [WebGet(UriTemplate = "GetData/{id}.{format}")]
    ResponseData GetData(string id, string format);
}

是否有一种方法可以让服务在被请求时以json响应: /GetData/1234.json，以/GetData/1234.xml的身份被请求时，仍然可以通过强类型的wsdl合同在其他网址上作为适当的肥皂服务使用xml?

Is there a way to get the service to respond with json when requested as: /GetData/1234.json, xml when requested as /GetData/1234.xml and still be available as a proper soap service at some other url, with a strongly typed wsdl contract?

使用Stream作为GetData的返回值是不可行的，因为它不能满足前两个要求，wcf无法创建完整的wsdl规范，因为它不知道生成的Stream的内容是什么. /p>

Using a Stream as the return value for GetData is not workable, as though it fufills the first two requirements, wcf can't create a full wsdl specification as it has no idea what the contents of the resultant Stream will be.

推荐答案

您应该有两个采用id和format的单独方法(它们将调用返回ResponseData的共享实现)具有不同的 WebGet属性:

You should have two separate methods which take id and format (and they would call a shared implementation that returns ResponseData) which have different WebGet attributes:

[ServiceContract]
public interface IService
{
    [OperationContract]
    [WebGet(UriTemplate = "GetData/{id}.{format}.xml", 
        ResponseFormat=WebMessageFormat.Xml)]
    ResponseData GetDataXml(string id, string format);

    [OperationContract]
    [WebGet(UriTemplate = "GetData/{id}.{format}.json", 
        ResponseFormat=WebMessageFormat.Json)]
    ResponseData GetDataJson(string id, string format);
}

对于SOAP端点，您应该能够调用这两种方法，但是您将不得不具有单独的

For the SOAP endpoint, you should be able to call either method, but you are going to have to have a separate ServiceHost instance hosting the implementation of the contract.

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