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package org.glassfish.jersey.tests.e2e.client;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.ClientResponseContext;
import javax.ws.rs.client.ClientResponseFilter;
import javax.ws.rs.client.WebTarget;
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.MessageBodyReader;
import org.glassfish.jersey.client.JerseyClient;
import org.glassfish.jersey.client.JerseyWebTarget;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Test pre initialization of the client.
*
* @author Miroslav Fuksa
*/
public class ClientPreInitTest extends JerseyTest {
@Override
protected Application configure() {
return new ResourceConfig(Resource.class);
}
@Path("resource")
public static class Resource {
@GET
public String get(@HeaderParam("filter-request") String header) {
return "resource:" + (header == null ? "<null>" : header);
}
@GET
@Path("child")
public String getChild(@HeaderParam("filter-request") String header) {
return "child:" + (header == null ? "<null>" : header);
}
}
public static class MyRequestFilter implements ClientRequestFilter {
@Override
public void filter(ClientRequestContext requestContext) throws IOException {
requestContext.getHeaders().add("filter-request", "called");
}
}
public static class MyResponseFilter implements ClientResponseFilter {
@Override
public void filter(ClientRequestContext requestContext, ClientResponseContext responseContext) throws IOException {
responseContext.getHeaders().add("filter-response", "called");
}
}
public static class TestReader implements MessageBodyReader<Integer> {
public static boolean initialized;
public TestReader() {
TestReader.initialized = true;
}
@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return false;
}
@Override
public Integer readFrom(Class<Integer> type, Type genericType, Annotation[] annotations, MediaType mediaType,
MultivaluedMap<String, String> httpHeaders, InputStream entityStream)
throws IOException, WebApplicationException {
return null;
}
}
@Before
public void before() {
TestReader.initialized = false;
}
@Test
public void testNonInitialized() {
Client client = ClientBuilder.newClient();
client.register(MyResponseFilter.class);
client.register(TestReader.class);
final WebTarget target = client.target(super.getBaseUri()).path("resource");
assertFalse(TestReader.initialized);
final Response resourceResponse = target.request().get();
checkResponse(resourceResponse, "resource:<null>");
assertTrue(TestReader.initialized);
}
@Test
public void testSimplePreinitialize() {
Client client = ClientBuilder.newClient();
final WebTarget target = client.target(super.getBaseUri()).path("resource");
target.register(MyResponseFilter.class);
final WebTarget childTarget = target.path("child");
((JerseyWebTarget) childTarget).preInitialize();
final Response response = childTarget.request().get();
checkResponse(response, "child:<null>");
final Response resourceResponse = target.request().get();
checkResponse(resourceResponse, "resource:<null>");
}
@Test
public void testReusingPreinitializedConfig() {
Client client = ClientBuilder.newClient();
client.register(TestReader.class);
final WebTarget target = client.target(super.getBaseUri()).path("resource");
target.register(MyResponseFilter.class);
((JerseyWebTarget) target).preInitialize();
assertTrue(TestReader.initialized);
final WebTarget childTarget = target.path("child");
final Response response = childTarget.request().get();
checkResponse(response, "child:<null>");
final Response resourceResponse = target.request().get();
checkResponse(resourceResponse, "resource:<null>");
}
@Test
public void testReusingPreinitializedConfig2() {
Client client = ClientBuilder.newClient();
client.register(TestReader.class);
client.register(MyResponseFilter.class);
assertFalse(TestReader.initialized);
((JerseyClient) client).preInitialize();
assertTrue(TestReader.initialized);
final WebTarget target = client.target(super.getBaseUri()).path("resource");
final WebTarget childTarget = target.path("child");
final Response response = childTarget.request().get();
checkResponse(response, "child:<null>");
final Response resourceResponse = target.request().get();
checkResponse(resourceResponse, "resource:<null>");
}
private void checkResponse(Response response, String entity) {
assertEquals("called", response.getHeaders().get("filter-response").get(0));
assertEquals(200, response.getStatus());
assertEquals(entity, response.readEntity(String.class));
}
@Test
public void testRegisterOnPreinitialized1() {
Client client = ClientBuilder.newClient();
final WebTarget target = client.target(super.getBaseUri()).path("resource");
target.register(MyRequestFilter.class);
((JerseyWebTarget) target).preInitialize();
target.register(MyResponseFilter.class);
final Response response = target.request().get();
checkResponse(response, "resource:called");
}
@Test
public void testRegisterOnPreinitialized2() {
Client client = ClientBuilder.newClient();
final WebTarget target = client.target(super.getBaseUri()).path("resource");
target.register(MyResponseFilter.class);
((JerseyWebTarget) target).preInitialize();
final WebTarget child = target.path("child");
child.register(MyRequestFilter.class);
final Response response = target.request().get();
checkResponse(response, "resource:<null>");
final Response childResponse = child.request().get();
checkResponse(childResponse, "child:called");
}
}