在ContainerResponseFilter的获取响应(JAX-RS 2) [英] Getting Response in ContainerResponseFilter's (JAX-RS 2)
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问题描述
我尝试移除此CORS过滤器到JAX-RS 2。
I am trying to port this CORS filter to JAX-RS 2.
但是,我看不到如何获取 Response 对象(如旧代码中的)从 ContainerResponseContext 我得到传递的覆盖方法< a href =https://jersey.java.net/apidocs/latest/jersey/javax/ws/rs/container/ContainerResponseFilter.html =nofollow> ContainerResponseFilter 。
However, I do not see how to get the Response object (as in the old code) from the ContainerResponseContext I get passed in the overridden method of ContainerResponseFilter.
如果有一个更优雅的方式来做CORS与JAX-RS 2,这当然是首选。提前感谢。
If there is a more elegant way to do CORS with JAX-RS 2, that would be preferrable of course. Thanks in advance.
推荐答案
可直接访问 ContainerResponseContext
:
@Provider
public class ResponseCorsFilter implements ContainerResponseFilter{
@Override
public void filter(ContainerRequestContext requestContext,
ContainerResponseContext responseContext) throws IOException {
responseContext.getHeaders()
.putSingle("Access-Control-Allow-Origin","*");
responseContext.getHeaders()
.putSingle("Access-Control-Allow-Methods",
"GET, POST, PUT, DELETE");
List<String> reqHead=requestContext.getHeaders()
.get("Access-Control-Request-Headers");
if(null != reqHead){
responseContext.getHeaders()
.put("Access-Control-Allow-Headers",
new ArrayList<Object>(reqHead));
}
}
}
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