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package org.glassfish.jersey.tests.e2e.server;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Future;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.container.Suspended;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.MessageBodyWriter;
import org.glassfish.jersey.server.ManagedAsync;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.glassfish.jersey.test.TestProperties;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
/**
* @author Pavel Bucek (pavel.bucek at oracle.com)
*/
public class AsyncResponseTest extends JerseyTest {
public static CountDownLatch callbackCalledSignal1;
public static CountDownLatch callbackCalledSignal2;
@Override
protected Application configure() {
callbackCalledSignal1 = new AsyncCallbackTest.TestLatch(3, "cancel() return value1", getAsyncTimeoutMultiplier());
callbackCalledSignal2 = new AsyncCallbackTest.TestLatch(3, "cancel() return value2", getAsyncTimeoutMultiplier());
set(TestProperties.RECORD_LOG_LEVEL, Level.FINE.intValue());
return new ResourceConfig(Resource.class, ErrorResource.class, MappedExceptionMapper.class,
EntityAnnotationCheckerWriter.class, AsyncMessageBodyProviderResource.class);
}
@Test
public void testMultipleCancel() throws InterruptedException, IOException {
final Response response = target().path("resource/1").request().get();
final InputStream inputStream = response.readEntity(InputStream.class);
for (int i = 0; i < 500; i++) {
inputStream.read();
}
response.close();
callbackCalledSignal1.await();
}
@Test
public void testCancelAfterResume() throws InterruptedException, IOException {
final Response response = target().path("resource/2").request().get();
final InputStream inputStream = response.readEntity(InputStream.class);
for (int i = 0; i < 500; i++) {
inputStream.read();
}
response.close();
callbackCalledSignal2.await();
}
@Test
public void testResumeWebApplicationException() throws Exception {
testResumeException("resumeWebApplicationException", "resumeWebApplicationException");
}
@Test
public void testResumeMappedException() throws Exception {
testResumeException("resumeMappedException", "resumeMappedException");
}
@Test
public void testResumeRuntimeException() throws Exception {
testResumeException("resumeRuntimeException", null);
assertThat(getLastLoggedRecord().getThrown(), instanceOf(RuntimeException.class));
}
@Test
public void testResumeCheckedException() throws Exception {
testResumeException("resumeCheckedException", null);
assertThat(getLastLoggedRecord().getThrown(), instanceOf(IOException.class));
}
private void testResumeException(final String path, final String entity) throws Exception {
final WebTarget errorResource = target("errorResource");
final Future<Response> suspended = errorResource.path("suspend").request().async().get();
final Response response = errorResource.path(path).request().get();
assertThat(response.getStatus(), equalTo(200));
assertThat(response.readEntity(String.class), equalTo("ok"));
final Response suspendedResponse = suspended.get();
assertThat(suspendedResponse.getStatus(), equalTo(500));
if (entity != null) {
assertThat(suspendedResponse.readEntity(String.class), equalTo(entity));
}
suspendedResponse.close();
// Check there is no NPE.
for (final LogRecord record : getLoggedRecords()) {
final Throwable thrown = record.getThrown();
if (thrown != null && thrown instanceof NullPointerException) {
fail("Unexpected NPE.");
}
}
}
@Path("resource")
public static class Resource {
@GET
@Path("1")
@ManagedAsync
public void get1(@Suspended final AsyncResponse asyncResponse) throws IOException, InterruptedException {
if (asyncResponse.cancel()) {
callbackCalledSignal1.countDown();
}
if (asyncResponse.cancel()) {
callbackCalledSignal1.countDown();
}
if (asyncResponse.cancel()) {
callbackCalledSignal1.countDown();
}
}
@GET
@Path("2")
@ManagedAsync
public void get2(@Suspended final AsyncResponse asyncResponse) throws IOException, InterruptedException {
asyncResponse.resume("ok");
if (!asyncResponse.cancel()) {
callbackCalledSignal2.countDown();
}
if (!asyncResponse.cancel()) {
callbackCalledSignal2.countDown();
}
if (!asyncResponse.cancel()) {
callbackCalledSignal2.countDown();
}
}
}
public static class MappedException extends RuntimeException {
public MappedException(final String message) {
super(message);
}
}
public static class MappedExceptionMapper implements ExceptionMapper<MappedException> {
@Override
public Response toResponse(final MappedException exception) {
return Response.serverError().entity(exception.getMessage()).build();
}
}
@Path("errorResource")
public static class ErrorResource {
private static final BlockingQueue<AsyncResponse> suspended = new ArrayBlockingQueue<AsyncResponse>(1);
@GET
@Path("suspend")
public void suspend(@Suspended final AsyncResponse asyncResponse) {
suspended.add(asyncResponse);
}
@GET
@Path("resumeWebApplicationException")
public String resumeWebApplicationException() throws Exception {
return resume(new WebApplicationException(Response.serverError().entity("resumeWebApplicationException").build()));
}
@GET
@Path("resumeMappedException")
public String resumeMappedException() throws Exception {
return resume(new MappedException("resumeMappedException"));
}
@GET
@Path("resumeRuntimeException")
public String resumeRuntimeException() throws Exception {
return resume(new RuntimeException("resumeRuntimeException"));
}
@GET
@Path("resumeCheckedException")
public String resumeCheckedException() throws Exception {
return resume(new IOException("resumeCheckedException"));
}
private String resume(final Throwable throwable) throws Exception {
return suspended.take().resume(throwable) ? "ok" : "ko";
}
}
public static class EntityAnnotationChecker {
}
public static class EntityAnnotationCheckerWriter implements MessageBodyWriter<EntityAnnotationChecker> {
@Override
public boolean isWriteable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return true;
}
@Override
public long getSize(final EntityAnnotationChecker entityAnnotationChecker, final Class<?> type, final Type genericType,
final Annotation[] annotations, final MediaType mediaType) {
return -1;
}
@Override
public void writeTo(final EntityAnnotationChecker entityAnnotationChecker,
final Class<?> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType,
final MultivaluedMap<String, Object> httpHeaders,
final OutputStream entityStream) throws IOException, WebApplicationException {
final String entity = annotations.length > 0 ? "ok" : "ko";
entityStream.write(entity.getBytes());
}
}
@Path("annotations")
public static class AsyncMessageBodyProviderResource {
private static final BlockingQueue<AsyncResponse> suspended = new ArrayBlockingQueue<AsyncResponse>(1);
@GET
@Path("suspend")
public void suspend(@Suspended final AsyncResponse asyncResponse) {
suspended.add(asyncResponse);
}
@GET
@Path("suspend-resume")
public void suspendResume(@Suspended final AsyncResponse asyncResponse) {
asyncResponse.resume(new EntityAnnotationChecker());
}
@GET
@Path("resume")
public String resume() throws Exception {
return suspended.take().resume(new EntityAnnotationChecker()) ? "ok" : "ko";
}
}
@Test
public void testAnnotations() throws Exception {
final WebTarget errorResource = target("annotations");
final Future<Response> suspended = errorResource.path("suspend").request().async().get();
final Response response = errorResource.path("resume").request().get();
assertThat(response.readEntity(String.class), is("ok"));
final Response suspendedResponse = suspended.get();
assertThat("Entity annotations are not propagated to MBW.", suspendedResponse.readEntity(String.class), is("ok"));
suspendedResponse.close();
}
@Test
public void testAnnotationsSuspendResume() throws Exception {
final Response response = target("annotations").path("suspend-resume").request().async().get().get();
assertThat("Entity annotations are not propagated to MBW.", response.readEntity(String.class), is("ok"));
response.close();
}
}