如何发送Java RESTful Web服务的HTTP错误? [英] How to send a HTTP error for a Java RESTful web service?
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问题描述
我已经完成了教程,现在我想从中抛出错误这个webservice就像HTTP错误代码 403
或 400
。
I have done this tutorial and now I want to throw an error from this webservice, like HTTP error code 403
or 400
.
我该怎么办?我注意到我有一个类型为 HttpServletResponse
的界面,但我不知道如何使用它。我必须导入其他东西吗?
How can i do this? I noticed that i have an interface of type HttpServletResponse
, but I don't know how I can use it. Do I have to import something else?
import java.util.Date;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
import javax.servlet.http.HttpServletResponse;
import javax.ws.rs.Consumes;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.xml.ws.http.HTTPException;
import sun.awt.RequestFocusController;
import com.sun.jersey.spi.resource.Singleton;
import com.sun.research.ws.wadl.Request;
import com.sun.research.ws.wadl.Response;
推荐答案
你可以这样做。
You can do it like this.
@GET
public Response check(@QueryParam("username") String username) {
if (facade.checkUser(username)) {
return Response.status(Response.Status.NOT_FOUND).build();
}
return Response.ok().build();
}
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