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package com.sun.jersey.impl.client;
import com.sun.jersey.api.client.async.TypeListener;
import com.sun.jersey.api.client.AsyncWebResource;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.UniformInterfaceException;
import com.sun.jersey.impl.container.grizzly.AbstractGrizzlyServerTester;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CancellationException;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import javax.ws.rs.Path;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
/**
*
* @author Paul.Sandoz@Sun.Com
*/
public class AsyncHttpMethodTest extends AbstractGrizzlyServerTester {
@Path("/test")
public static class HttpMethodResource {
@GET
public String get() {
sleep();
return "GET";
}
@POST
public String post(String entity) {
sleep();
return entity;
}
@PUT
public String put(String entity) {
sleep();
return entity;
}
@DELETE
public String delete() {
sleep();
return "DELETE";
}
@Path("wait")
@GET
public String getWait() throws InterruptedException {
sleep();
sleep();
sleep();
sleep();
return "GET";
}
private void sleep() {
try {
Thread.sleep(1000);
} catch (InterruptedException ex) {
}
}
}
abstract class X<T> extends TypeListener<T> {
final List<String> l = new ArrayList<String>();
final CountDownLatch cdl = new CountDownLatch(1);
X(Class<T> c) {
super(c);
}
public void check(String s) throws InterruptedException {
cdl.await();
assertEquals(1, l.size());
assertEquals(s, l.get(0));
}
}
class StringListener extends X<String> {
StringListener() {
super(String.class);
}
public void onComplete(Future<String> f) throws InterruptedException {
try {
l.add(f.get());
} catch (ExecutionException ex) {
throw new IllegalStateException();
} finally {
cdl.countDown();
}
}
}
class ClientResponseListener extends X<ClientResponse> {
ClientResponseListener() {
super(ClientResponse.class);
}
public void onComplete(Future<ClientResponse> f) throws InterruptedException {
try {
l.add(f.get().getEntity(String.class));
} catch (ExecutionException ex) {
throw new IllegalStateException();
} finally {
cdl.countDown();
}
}
}
public AsyncHttpMethodTest(String testName) {
super(testName);
}
public void testGet() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
assertEquals("GET", r.get(String.class).get());
terminate(c.getExecutorService());
}
public void testGetNotFound() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("404").build());
boolean caught = false;
try {
r.get(String.class).get();
} catch (ExecutionException ex) {
caught = ex.getCause() instanceof UniformInterfaceException;
}
assertTrue(caught);
terminate(c.getExecutorService());
}
public void testGetListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
StringListener l = new StringListener();
Future<?> f = r.get(l);
assertEquals("GET", f.get());
l.check("GET");
terminate(c.getExecutorService());
}
public void testGetClientResponseListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
ClientResponseListener l = new ClientResponseListener();
Future<?> f = r.get(l);
assertTrue(ClientResponse.class.isAssignableFrom(f.get().getClass()));
l.check("GET");
terminate(c.getExecutorService());
}
public void testGetListenerNotFound() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("404").build());
final CountDownLatch cdl = new CountDownLatch(1);
final List<String> l = new ArrayList<String>();
Future<?> f = r.get(new TypeListener<String>(String.class) {
public void onComplete(Future<String> t) throws InterruptedException {
try {
l.add(t.get());
} catch (ExecutionException ex) {
if (ex.getCause() instanceof UniformInterfaceException) {
UniformInterfaceException uie = (UniformInterfaceException)ex.getCause();
l.add("" + uie.getResponse().getStatus());
}
cdl.countDown();
}
}
});
boolean caught = false;
try {
f.get();
} catch (ExecutionException ex) {
caught = ex.getCause() instanceof UniformInterfaceException;
}
assertTrue(caught);
cdl.await();
assertEquals(1, l.size());
assertEquals("404", l.get(0));
terminate(c.getExecutorService());
}
public void testGetClientResponseListenerNotFound() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("404").build());
final CountDownLatch cdl = new CountDownLatch(1);
final List<String> l = new ArrayList<String>();
Future<?> f = r.get(new TypeListener<ClientResponse>(ClientResponse.class) {
public void onComplete(Future<ClientResponse> t) throws InterruptedException {
try {
l.add("" + t.get().getStatus());
} catch (ExecutionException ex) {
throw new IllegalStateException();
} finally {
cdl.countDown();
}
}
});
boolean caught = false;
try {
f.get();
} catch (ExecutionException ex) {
caught = true;
}
assertFalse(caught);
cdl.await();
assertEquals(1, l.size());
assertEquals("404", l.get(0));
terminate(c.getExecutorService());
}
public void testPost() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
assertEquals("POST", r.post(String.class, "POST").get());
terminate(c.getExecutorService());
}
public void testPostListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
StringListener l = new StringListener();
Future<?> f = r.post(l, "POST");
assertEquals("POST", f.get());
l.check("POST");
terminate(c.getExecutorService());
}
public void testPut() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
assertEquals("PUT", r.put(String.class, "PUT").get());
terminate(c.getExecutorService());
}
public void testPutListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
StringListener l = new StringListener();
Future<?> f = r.put(l, "PUT");
assertEquals("PUT", f.get());
l.check("PUT");
terminate(c.getExecutorService());
}
public void testDelete() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
assertEquals("DELETE", r.delete(String.class).get());
terminate(c.getExecutorService());
}
public void testDeleteListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
StringListener l = new StringListener();
Future<?> f = r.delete(l);
assertEquals("DELETE", f.get());
l.check("DELETE");
terminate(c.getExecutorService());
}
public void testAllSequential() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
assertEquals("GET", r.get(String.class).get());
r = Client.create().asyncResource(getUri().path("test").build());
assertEquals("POST", r.post(String.class, "POST").get());
r = Client.create().asyncResource(getUri().path("test").build());
assertEquals("PUT", r.put(String.class, "PUT").get());
r = Client.create().asyncResource(getUri().path("test").build());
assertEquals("DELETE", r.delete(String.class).get());
terminate(c.getExecutorService());
}
public void testAllParallel() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
Future<String> get = r.get(String.class);
Future<String> post = r.post(String.class, "POST");
Future<String> put = r.put(String.class, "PUT");
Future<String> delete = r.delete(String.class);
assertEquals("GET", get.get());
assertEquals("POST", post.get());
assertEquals("PUT", put.get());
assertEquals("DELETE", delete.get());
terminate(c.getExecutorService());
}
public void testAllParallelListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("test").build());
final CountDownLatch cdl = new CountDownLatch(4);
final List<String> l = Collections.synchronizedList(new ArrayList<String>());
TypeListener<String> al = new TypeListener<String>(String.class) {
public void onComplete(Future<String> t) throws InterruptedException {
try {
l.add(t.get());
cdl.countDown();
} catch (ExecutionException ex) {
throw new IllegalStateException();
}
}
};
List<Future<String>> lf = new ArrayList<Future<String>>();
lf.add(r.get(al));
lf.add(r.post(al, "POST"));
lf.add(r.put(al, "PUT"));
lf.add(r.delete(al));
cdl.await();
assertEquals(4, l.size());
assertTrue(l.contains("GET"));
assertTrue(l.contains("POST"));
assertTrue(l.contains("PUT"));
assertTrue(l.contains("DELETE"));
assertEquals("GET", lf.get(0).get());
assertEquals("POST", lf.get(1).get());
assertEquals("PUT", lf.get(2).get());
assertEquals("DELETE", lf.get(3).get());
terminate(c.getExecutorService());
}
public void testCancelListener() throws Exception {
startServer(HttpMethodResource.class);
Client c = Client.create();
AsyncWebResource r = c.asyncResource(getUri().path("wait").build());
final CountDownLatch cdl = new CountDownLatch(1);
final List<Boolean> l = new ArrayList<Boolean>(1);
Future<?> f = r.get(new TypeListener<String>(String.class) {
public void onComplete(Future<String> t) throws InterruptedException {
try {
t.get();
} catch (CancellationException ex) {
l.add(true);
} catch (ExecutionException ex) {
throw new IllegalStateException();
} finally {
cdl.countDown();
}
}
});
f.cancel(true);
cdl.await();
assertTrue(f.isCancelled());
assertEquals(1, l.size());
assertTrue(l.get(0));
terminate(c.getExecutorService());
}
private void terminate(ExecutorService es) throws Exception {
es.shutdown();
assertTrue(es.awaitTermination(100, TimeUnit.MILLISECONDS));
assertTrue(es.isTerminated());
}
}