在JAX-RS资源方法中获取原始请求体

Question

如何从JAX-RS资源方法访问原始请求主体,java.io.InputStream或byte[]？我希望容器绕过任何MessageBodyReader特定的资源类或方法,但我在项目中有其他资源应该使用一些MessageBodyReader.

我试过这个,但它会调用已注册的MessageBodyReaders并且无法将结果分配给InputStream(同样的问题byte[]).

@POST
public Response post(@Context HttpHeaders headers, InputStream requestBody) {
    MediaType contentType = headers.getMediaType();
    // ... 
}

我也尝试了这个,但是容器无法初始化此错误:

SEVERE: The following errors and warnings have been detected with resource and/or provider classes:
SEVERE: Missing dependency for method public javax.ws.rs.core.Response SomeResource.post(javax.servlet.http.HttpServletRequest) at parameter at index 0
SEVERE: Method, public javax.ws.rs.core.Response SomeResource.post(javax.servlet.http.HttpServletRequest), annotated with POST of resource, class SomeResource, is not recognized as valid resource method.

@POST
public Response post(@Context HttpServletRequest request) {
    String contentType = request.getContentType();
    InputStream requestBody = request.getInputStream();
    // ... 
}

该方法位于子资源类中,该子资源类是从@Path另一个资源类中带有注释的方法创建的.

我正在使用Jersey 1.11.

Answer 1

只是这有助于任何人

public Response doAThing(@Context HttpServletRequest request, InputStream requestBody){


        BufferedReader reader = new BufferedReader(new InputStreamReader(requestBody));
        StringBuilder out = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            out.append(line);
        }
        System.out.println(out.toString());   //Prints the string content read from input stream
        reader.close();

        return Response.ok().entity("{\"Submit\": \"Success\"}").build();

    }

Answer 2

这对我有用:

@POST
@Consumes(MediaType.WILDCARD)
@Produces(MediaType.WILDCARD)
public Response doSomething(@Context HttpServletRequest request, byte[] input) {
    log.debug("Content-Type: {}", request.getContentType());
    log.debug("Preferred output: {}", request.getHeader(HttpHeaders.ACCEPT));
}

Answer 3

我发现注入 HttpServletRequest 不起作用的原因是，这是因为我确实在 Jersey Test Framework 中运行我的代码，而不是在正确的 Servlet 容器中。如果我在适当的 Servlet 容器中运行它，它就会起作用。

遗憾的是，没有纯粹的 JAX-RS 方式来获取原始请求正文。