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package org.glassfish.jersey.server.internal.inject;
import javax.ws.rs.BeanParam;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Request;
import org.glassfish.jersey.inject.hk2.DelayedHk2InjectionManager;
import org.glassfish.jersey.inject.hk2.ImmediateHk2InjectionManager;
import org.glassfish.jersey.internal.inject.InjectionManager;
import org.glassfish.jersey.server.ContainerResponse;
import org.glassfish.jersey.server.RequestContextBuilder;
import org.glassfish.hk2.api.Descriptor;
import org.glassfish.hk2.api.Filter;
import org.glassfish.hk2.api.ServiceLocator;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Reproducer for JERSEY-2800. We need to make sure
* number of descriptors in HK2 for {@link BeanParam} injected
* parameter does not grow up in time.
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
public class BeanParamMemoryLeakTest extends AbstractTest {
public static class ParameterBean {
@Context
Request request;
@QueryParam("q")
String q;
}
@Path("/")
public static class BeanParamInjectionResource {
@BeanParam
ParameterBean bean;
@GET
@Path("jaxrs")
public String getMilkyWay() {
assertEquals("GET", bean.request.getMethod());
return bean.q;
}
}
@Test
public void testBeanParam() throws Exception {
initiateWebApplication(BeanParamInjectionResource.class);
InjectionManager injectionManager = app().getInjectionManager();
ServiceLocator serviceLocator;
if (injectionManager instanceof ImmediateHk2InjectionManager) {
serviceLocator = ((ImmediateHk2InjectionManager) injectionManager).getServiceLocator();
} else if (injectionManager instanceof DelayedHk2InjectionManager) {
serviceLocator = ((DelayedHk2InjectionManager) injectionManager).getServiceLocator();
} else {
throw new RuntimeException("InjectionManager is not an injection manager");
}
// we do not expect any descriptor registered yet
assertEquals(0, serviceLocator.getDescriptors(new ParameterBeanFilter()).size());
// now make one registered via this call
assertEquals("one", resource("/jaxrs?q=one").getEntity());
// make sure it got registered
assertEquals(1, serviceLocator.getDescriptors(new ParameterBeanFilter()).size());
// make another call
assertEquals("two", resource("/jaxrs?q=two").getEntity());
assertEquals(1, serviceLocator.getDescriptors(new ParameterBeanFilter()).size());
// and some more
for (int i = 0; i < 20; i++) {
assertEquals(Integer.toString(i), resource("/jaxrs?q=" + i).getEntity());
assertEquals(1, serviceLocator.getDescriptors(new ParameterBeanFilter()).size());
}
}
private ContainerResponse resource(String uri) throws Exception {
return apply(RequestContextBuilder.from(uri, "GET").build());
}
private static class ParameterBeanFilter implements Filter {
public ParameterBeanFilter() {
}
@Override
public boolean matches(Descriptor d) {
return ParameterBean.class.getName().equals(d.getImplementation());
}
}
}