Camel JAX-RS 和跨域请求 [英] Camel JAX-RS and Cross Domain Request

问题描述

我希望能够在我的本地 Camel 实例上执行 HTTP 请求(仅用于开发目的，我知道这是不好的做法).现在，我坚持:

I'd like to be able to do HTTP requests on my localhost Camel instance (just for development purpose, I know this is bad practice). For now, I'm stuck with :

 Origin http://localhost:8000 is not allowed by Access-Control-Allow-Origin.

我已经搜索过如何告诉 Camel 允许此类请求，但没有找到答案.我正在使用camel-cxf 和rsServer 创建我的端点.

I've search how can I tell Camel to allow such requests, but didn't find an answer. I'm using camel-cxf and the rsServer to create my endpoint.

我有一个看起来像这样的端点:

I've got an endpoint looking like that :

public class LoginEndpoint {
    @GET
    @Path(LOGIN)
    @Produces(MediaType.APPLICATION_JSON)
    public Customer login(@QueryParam("email") String email, @QueryParam("password") String password) {
        return null;
    }
}

比标准路线更有效.

我如何告诉 Camel(或 JAX-RS，或 CXFRS 组件，我不知道...)允许跨域请求?

How can I tell Camel (or JAX-RS, or the CXFRS component, I don't know...) to allow Cross Domain Requests ?

推荐答案

您需要在端点上添加注释

You need to add an annotation on your endpoint

@CrossOriginResourceSharing(allowAllOrigins = true, allowAnyHeaders = true)
public class LoginEndpoint {
    @GET
    @Path(LOGIN)
    @Produces(MediaType.APPLICATION_JSON)
    public Customer login(@QueryParam("email") String email, @QueryParam("password") String password) {
        return null;
    }
}

我认为您不需要新的依赖项，因为注释在camel-cxf 中.但是你需要告诉 Camel 去寻找这个注解，使用 providers 标签.

I don't think you need a new dependency, as the annotation is in camel-cxf. But you need to tell Camel to look for this annotation, using the providers tag.

<cxf:rsServer id="login" address="your adress"
        serviceClass="LoginEndpoint">
    <cxf:providers>
        <bean class="org.apache.cxf.jaxrs.cors.CrossOriginResourceSharingFilter" />
    </cxf:providers>
</cxf:rsServer>

那么你应该没问题(但请记住，这只是用于本地测试).

Then you should be fine (but remember that is just for local testing).

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