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package org.glassfish.jersey.tests.e2e.server;
import java.io.IOException;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.Path;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import org.glassfish.jersey.internal.inject.PerLookup;
import org.glassfish.jersey.process.Inflector;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertTrue;
/**
* Test resources which also acts as providers.
*
* @author Miroslav Fuksa
*/
public class SingletonProvidersResourcesTest extends JerseyTest {
@Override
protected Application configure() {
ResourceConfig resourceConfig = new ResourceConfig(ResourceSingleton.class, ResourceNotSingleton.class);
final Resource.Builder resourceBuilder = Resource.builder();
resourceBuilder.name("programmatic").path("programmatic").addMethod("GET")
.handledBy(ResourceProgrammaticNotSingleton.class);
resourceConfig.registerResources(resourceBuilder.build());
return resourceConfig;
}
@Test
public void testResourceAsFilter() {
String str = target().path("singleton").request().header("singleton", "singleton").get(String.class);
assertTrue(str, str.startsWith("true/"));
String str2 = target().path("singleton").request().header("singleton", "singleton").get(String.class);
assertTrue(str2, str2.startsWith("true/"));
assertEquals(str, str2);
}
@Test
public void testResourceAsFilterAnnotatedPerLookup() {
String str = target().path("perlookup").request().header("not-singleton", "not-singleton").get(String.class);
assertTrue(str.startsWith("false/"));
String str2 = target().path("perlookup").request().header("not-singleton", "not-singleton").get(String.class);
assertTrue(str2.startsWith("false/"));
assertNotSame(str, str2);
}
@Test
public void testResourceProgrammatic() {
String str = target().path("programmatic").request().header("programmatic", "programmatic").get(String.class);
assertTrue(str.startsWith("false/"));
String str2 = target().path("programmatic").request().header("programmatic", "programmatic").get(String.class);
assertTrue(str2.startsWith("false/"));
assertNotSame(str, str2);
}
// this should be singleton, it means the same instance for the usage as a filter and as an resource
@Path("singleton")
public static class ResourceSingleton implements ContainerRequestFilter {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
if (requestContext.getHeaders().containsKey("singleton")) {
requestContext.getHeaders().add("filter-class", this.toString());
}
}
@GET
public String get(@HeaderParam("filter-class") String filterClass) {
return String.valueOf(String.valueOf(this.toString().equals(filterClass)) + "/" + this.toString() + ":"
+ filterClass);
}
}
// this should NOT be singleton, because it is annotated as per lookup
@Path("perlookup")
@PerLookup
public static class ResourceNotSingleton implements ContainerRequestFilter {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
if (requestContext.getHeaders().containsKey("not-singleton")) {
requestContext.getHeaders().add("filter-class", this.toString());
}
}
@GET
public String get(@HeaderParam("filter-class") String filterClass) {
return String.valueOf(String.valueOf(this.toString().equals(filterClass)) + "/" + this.toString() + ":"
+ filterClass);
}
}
// should not be a singleton as this is only programmatic resource and is not registered as provider
public static class ResourceProgrammaticNotSingleton implements ContainerRequestFilter,
Inflector<Request, Response> {
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
if (requestContext.getHeaders().containsKey("programmatic")) {
requestContext.getHeaders().add("filter-class", this.toString());
}
}
@Override //JerseyContainerRequestContext
public Response apply(Request request) {
String filterClass = ((ContainerRequestContext) request).getHeaders().getFirst("filter-class");
return Response.ok(String.valueOf(String.valueOf(this.toString().equals(filterClass)) + "/" + this.toString() + ":"
+ filterClass)).build();
}
}
}