Question

jax-rs资源方法可以获取JSON，它是文档的一部分。我的问题是我必须更新现有对象（实体）。所以我决定创建jax-rs ContainerRequestFilter。此过滤器必须获取现有对象，将其属性替换为新属性并将其重新放入流中。因此，我希望我在我的资源方法中完全获得实体。首先，我必须获取经过身份验证的用户的数据。但是＆＃39; securityContext.getAuthenticatedUser（）＆＃39;返回部分提供的JSON数据？

是否有可能在jax-rs过滤器（在ibm MobileFirst平台上）获取经过身份验证的用户数据？

我的过滤器的代码是：

@Provider
//@ManagedBean
public class UpdateFilter implements ContainerRequestFilter {
//ReaderInterceptor {

//@Inject
//ExistingObjectDao existingObjectDao;

@Context
AdapterSecurityContext securityContext;

@Override
@OAuthSecurity(scope = "protected") //doesn't work
public void filter(ContainerRequestContext context) throws IOException {
    //context.getSecurityContext().getUserPrincipal() // is null
    AuthenticatedUser user = securityContext.getAuthenticatedUser(); //is null
    Map<String, String> authParams = (Map<String, String>) user.getAttributes().get("lotusCredentials");
    InputStream inputStream = context.getEntityStream();
    byte[] bytes = new byte[inputStream.available()];
    inputStream.read(bytes);
    String responseContent = new String(bytes);
    String id = context.getUriInfo().getPathParameters().getFirst("id");
    Object existingObject = null;
    try {
        existingObject  = existingObjectDao.get(id, authParams);
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (existingObject != null) {
        ObjectMapper objectMapper = new ObjectMapper();
        ObjectReader reader = objectMapper.readerForUpdating(existingObject );
        JsonNode r = reader.readTree(responseContent);
        responseContent = objectMapper.writer().writeValueAsString(r);
    }
    context.setEntityStream(new ByteArrayInputStream(responseContent.getBytes()));

} 
}

如何使用IBM MobileFirst java适配器更新现有实体？

0 个答案: