[英]HK2 is not injecting the HttpServletRequest with jersey
我試圖按照這里的例子來創建一個工廠,以便注入我的HttpSession。 不幸的是,無論我嘗試什么,它都無法正常工作。 不確定可能是什么問題。
我試過注入HttpServletRequest和提供程序。 這是我使用提供程序的示例。 嘗試訪問提供方法中的提供程序時,該錯誤是空指針異常。 如果我嘗試注入HttpServletRequest,我就沒有可用於注入的對象。 我使用JerseyTest在GrizzlyTestContainer中運行它。 為了綁定HttpServletRequest,我需要添加到我的活頁夾嗎? 我似乎無法找到一個例子。
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) {
}
}
你應該在JerseyTest
@Override protected DeploymentContext configureDeployment()
來返回一個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));
}
}
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