[英]HK2 is not injecting the HttpServletRequest with jersey
我试图按照这里的例子来创建一个工厂,以便注入我的HttpSession。 不幸的是,无论我尝试什么,它都无法正常工作。 不确定可能是什么问题。
我试过注入HttpServletRequest和提供程序。 这是我使用提供程序的示例。 尝试访问提供方法中的提供程序时,该错误是空指针异常。 如果我尝试注入HttpServletRequest,我就没有可用于注入的对象。 我使用JerseyTest在GrizzlyTestContainer中运行它。 为了绑定HttpServletRequest,我需要添加到我的活页夹吗? 我似乎无法找到一个例子。
public class HttpSessionFactory implements Factory<HttpSession> {
private final HttpServletRequest request;
@Inject
public HttpSessionFactory(Provider<HttpServletRequest> requestProvider) {
this.request = requestProvider.get();
}
@Override
public HttpSession provide() {
return request.getSession();
}
@Override
public void dispose(HttpSession t) {
}
}
你应该在JerseyTest
@Override protected DeploymentContext configureDeployment()
来返回一个ServletDeploymentContext
。 例如
import javax.inject.Inject;
import javax.inject.Provider;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.core.Response;
import org.glassfish.hk2.api.Factory;
import org.glassfish.hk2.utilities.binding.AbstractBinder;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.servlet.ServletContainer;
import org.glassfish.jersey.test.DeploymentContext;
import org.glassfish.jersey.test.JerseyTest;
import org.glassfish.jersey.test.ServletDeploymentContext;
import org.glassfish.jersey.test.grizzly.GrizzlyWebTestContainerFactory;
import org.glassfish.jersey.test.spi.TestContainerException;
import org.glassfish.jersey.test.spi.TestContainerFactory;
import org.junit.Test;
public class ServletTest extends JerseyTest {
@Path("/session")
public static class SessionResource {
@Inject
HttpSession session;
@GET
public Response getSessionId() {
return Response.ok(session.getId()).build();
}
}
public static class HttpSessionFactory implements Factory<HttpSession> {
private final HttpServletRequest request;
@Inject
public HttpSessionFactory(Provider<HttpServletRequest> requestProvider) {
this.request = requestProvider.get();
}
@Override
public HttpSession provide() {
return request.getSession();
}
@Override
public void dispose(HttpSession t) {
}
}
@Override
protected TestContainerFactory getTestContainerFactory() {
return new GrizzlyWebTestContainerFactory();
}
@Override
protected DeploymentContext configureDeployment() {
ResourceConfig config = new ResourceConfig(SessionResource.class);
config.register(new AbstractBinder() {
@Override
protected void configure() {
bindFactory(HttpSessionFactory.class).to(HttpSession.class);
}
});
return ServletDeploymentContext.forServlet(
new ServletContainer(config)).build();
}
@Test
public void test() {
System.out.println(target("session").request().get(String.class));
}
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.