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package org.glassfish.jersey.server;
import java.util.concurrent.ExecutionException;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Feature;
import javax.ws.rs.core.FeatureContext;
import javax.annotation.Priority;
import javax.inject.Singleton;
import org.glassfish.jersey.process.Inflector;
import org.glassfish.jersey.server.model.ModelProcessor;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.server.model.ResourceModel;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Test scope of resources enhanced by model processors.
*
* @author Miroslav Fuksa
*
*/
public class ModelProcessorScopeTest {
public static class ModelProcessorFeature implements Feature {
@Override
public boolean configure(FeatureContext context) {
context.register(SimpleModelProcessor.class);
return true;
}
@Priority(5000)
private static class SimpleModelProcessor implements ModelProcessor {
@Override
public ResourceModel processResourceModel(ResourceModel resourceModel, Configuration configuration) {
ResourceModel.Builder builder = new ResourceModel.Builder(resourceModel.getRootResources(), false);
final Resource singletonResource = Resource.from(SingletonResource.class);
builder.addResource(singletonResource);
final Resource requestScopeResource = Resource.from(RequestScopeResource.class);
builder.addResource(requestScopeResource);
final Resource.Builder resourceBuilder = Resource.builder("instance");
resourceBuilder.addMethod("GET").handledBy(new Inflector<ContainerRequestContext, String>() {
private int counter = 0;
@Override
public String apply(ContainerRequestContext containerRequestContext) {
return String.valueOf("Inflector:" + counter++);
}
});
final Resource instanceResource = resourceBuilder.build();
builder.addResource(instanceResource);
return builder.build();
}
@Override
public ResourceModel processSubResource(ResourceModel subResource, Configuration configuration) {
final Resource resource = Resource.builder().mergeWith(Resource.from(EnhancedSubResourceSingleton.class))
.mergeWith(Resource.from(EnhancedSubResource.class)).mergeWith(subResource.getResources().get(0)).build();
return new ResourceModel.Builder(true).addResource(resource).build();
}
}
@Path("request-scope")
public static class RequestScopeResource {
private int counter = 0;
@GET
public String get() {
return String.valueOf("RequestScopeResource:" + counter++);
}
}
@Path("singleton")
@Singleton
public static class SingletonResource {
private int counter = 0;
@GET
public String get() {
return String.valueOf("SingletonResource:" + counter++);
}
}
}
@Path("root")
public static class RootResource {
@GET
public String get() {
return "root";
}
@Path("sub-resource-singleton")
public Class<SubResourceSingleton> getSubResourceSingleton() {
return SubResourceSingleton.class;
}
@Path("sub-resource-instance")
public SubResourceSingleton getSubResourceSingletonInstance() {
return new SubResourceSingleton();
}
}
@Singleton
public static class SubResourceSingleton {
private int counter = 0;
@GET
public String get() {
return String.valueOf("SubResourceSingleton:" + counter++);
}
}
public static class EnhancedSubResource {
private int counter = 0;
@GET
@Path("enhanced")
public String get() {
return String.valueOf("EnhancedSubResource:" + counter++);
}
}
@Singleton
public static class EnhancedSubResourceSingleton {
private int counter = 0;
@GET
@Path("enhanced-singleton")
public String get() {
return "EnhancedSubResourceSingleton:" + String.valueOf(counter++);
}
}
@Path("root-singleton")
@Singleton
public static class RootSingletonResource {
private int counter = 0;
@GET
public String get() {
return "RootSingletonResource:" + String.valueOf(counter++);
}
}
private void _testCounter(ApplicationHandler applicationHandler, String requestUri, final String prefix,
final String expectedSecondHit) throws
InterruptedException, ExecutionException {
ContainerResponse response = applicationHandler.apply(RequestContextBuilder.from(requestUri,
"GET").build()).get();
assertEquals(200, response.getStatus());
assertEquals(prefix + ":0", response.getEntity());
response = applicationHandler.apply(RequestContextBuilder.from(requestUri,
"GET").build()).get();
assertEquals(prefix + ":" + expectedSecondHit, response.getEntity());
}
@Test
public void testSingleton() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(ModelProcessorFeature
.SingletonResource.class));
final String requestUri = "/singleton";
_testCounter(applicationHandler, requestUri, "SingletonResource", "1");
}
@Test
public void testSingletonInModelProcessor() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/singleton";
_testCounter(applicationHandler, requestUri, "SingletonResource", "1");
}
@Test
public void testSubResourceSingletonInOriginalModel() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root/sub-resource-singleton";
_testCounter(applicationHandler, requestUri, "SubResourceSingleton", "1");
}
@Test
public void testSubResourceEnhancedSingleton() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root/sub-resource-singleton/enhanced-singleton";
_testCounter(applicationHandler, requestUri, "EnhancedSubResourceSingleton", "1");
}
@Test
public void testSubResourceInstanceEnhancedSingleton() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root/sub-resource-instance/enhanced-singleton";
_testCounter(applicationHandler, requestUri, "EnhancedSubResourceSingleton", "1");
}
@Test
public void testSubResourceInstanceEnhancedSubResource() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root/sub-resource-instance/enhanced";
_testCounter(applicationHandler, requestUri, "EnhancedSubResource", "0");
}
@Test
public void testSubResourceEnhancedSubResource() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root/sub-resource-singleton/enhanced";
_testCounter(applicationHandler, requestUri, "EnhancedSubResource", "0");
}
@Test
public void testInstanceInModelProcessor() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
ModelProcessorFeature.class));
final String requestUri = "/instance";
_testCounter(applicationHandler, requestUri, "Inflector", "1");
}
@Test
public void testRootSingleton() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
RootSingletonResource.class,
ModelProcessorFeature.class));
final String requestUri = "/root-singleton";
_testCounter(applicationHandler, requestUri, "RootSingletonResource", "1");
}
@Test
public void testRequestScopeResource() throws ExecutionException, InterruptedException {
ApplicationHandler applicationHandler = new ApplicationHandler(new ResourceConfig(RootResource.class,
RootSingletonResource.class,
ModelProcessorFeature.class));
final String requestUri = "/request-scope";
_testCounter(applicationHandler, requestUri, "RequestScopeResource", "0");
}
}