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我正在嘗試使用Service/Dispatch機制來發布JAX-RS資源。問題是傳出請求的內容類型被鎖定爲text/xml。我看不出有什麼方法可以改變這種類型，例如application/xml。JAX-WS發送請求設置Content-Type
RESTfull web服務僅消耗application/xml和application/json。這是我使用的代碼：
public static void main(String[] args) {
QName qName = new QName("GREETINGS");
Service service = Service.create(qName);
service.addPort(qName, HTTPBinding.HTTP_BINDING, "http://localhost:8081/gf-ws-1/resources/greetings");
// change headers of the outgoing request
Map<String, Object> headers = new HashMap<String, Object>();
headers.put("Content-Type", Arrays.asList(new String[] {"application/xml"}));
headers.put("Accept", Arrays.asList(new String[] {"zoo"}));
headers.put("foo", Arrays.asList(new String[] {"bar"}));
Dispatch<Source> dispatch = service.createDispatch(qName, Source.class, Service.Mode.PAYLOAD);
dispatch.getRequestContext().put(MessageContext.HTTP_REQUEST_METHOD, "POST");
dispatch.getRequestContext().put(MessageContext.HTTP_REQUEST_HEADERS, headers);
dispatch.invokeOneWay(new StreamSource(new StringReader("<?xml version='1.0' encoding='UTF-8'?><greeting><value>Hello World!</value></greeting>")));
// get the response code: [HTTP/1.1 415 Unsupported Media Type] because of content type
System.out.println(((Map<String, Object>) dispatch.getResponseContext().get(MessageContext.HTTP_RESPONSE_HEADERS)).get(null));
}
的Accept頭被修改爲zoo，foo標頭被添加與值bar，但Content-Type保持不變。我想我可以使用一個過濾器並根據一些條件修改Content-Type，或者甚至基於foo頭，但這似乎違反直覺。
這裏是請求的所有標題：
POST /gf-ws-1/resources/greetings HTTP/1.1
Accept: zoo
Content-Type: text/xml
foo: bar
User-Agent: Metro/2.2.0-1 (tags/2.2.0u1-7139; 2012-06-02T10:55:19+0000) JAXWS-RI/2.2.6-2 JAXWS/2.2 svn-revision#unknown
Host: localhost:8080
Connection: keep-alive
Content-Length: 86
任何幫助表示讚賞。