ServiceDocumentResource.java 文件源码

@GET
@Produces({ ODataConstants.APPLICATION_XML_CHARSET_UTF8, ODataConstants.TEXT_JAVASCRIPT_CHARSET_UTF8, ODataConstants.APPLICATION_JAVASCRIPT_CHARSET_UTF8 })
public Response getServiceDocument(
    @Context HttpHeaders httpHeaders,
    @Context UriInfo uriInfo,
    @Context ContextResolver<ODataProducer> producerResolver,
    @QueryParam("$format") String format,
    @QueryParam("$callback") String callback) {

  ODataProducer producer = producerResolver.getContext(ODataProducer.class);

  EdmDataServices metadata = producer.getMetadata();

  StringWriter w = new StringWriter();
  FormatWriter<EdmDataServices> fw = FormatWriterFactory.getFormatWriter(EdmDataServices.class, httpHeaders.getAcceptableMediaTypes(), format, callback);
  fw.write(uriInfo, w, metadata);

  return Response.ok(w.toString(), fw.getContentType())
      .header(ODataConstants.Headers.DATA_SERVICE_VERSION, ODataConstants.DATA_SERVICE_VERSION_HEADER)
      .build();
}