SingletonProviderTest.java
/*
* Copyright (c) 2012, 2023 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
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 javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.client.Entity;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.container.ContainerRequestFilter;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.ContextResolver;
import javax.ws.rs.ext.ExceptionMapper;
import javax.ws.rs.ext.Provider;
import org.glassfish.jersey.message.internal.AbstractMessageReaderWriterProvider;
import org.glassfish.jersey.message.internal.ReaderWriter;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.spi.ContextResolvers;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* Class testing that providers are managed correctly in the singleton scope.
*
* @author Miroslav Fuksa
*/
public class SingletonProviderTest extends JerseyTest {
@Override
protected ResourceConfig configure() {
return new ResourceConfig(SingletonResource.class, AnyFilter.class,
ExceptionMappingProvider.class, SingletonStringMessageProvider.class, MyContextResolver.class);
}
@Test
public void filterTest() {
// NOTE: Explicit acceptedMedia type definition is not needed for HttpUrlConnector, as it sends several "default" types
// when not set directly. For (some) other connectors (namely JdkConnector), this is required, as the inferred accepted
// media type is */*, which would match the provider, that produces text/test, which is what we don't want in this case.
String str;
str = target().path("resource/filter").request("text/plain").get().readEntity(String.class);
assertEquals("filter:1", str);
str = target().path("resource/filter").request("text/plain").get().readEntity(String.class);
assertEquals("filter:2", str);
}
@Test
public void exceptionMapperTest() {
// NOTE: Explicit acceptedMedia type definition is not needed for HttpUrlConnector, as it sends several "default" types
// when not set directly. For (some) other connectors (namely JdkConnector), this is required, as the inferred accepted
// media type is */*, which would match the provider, that produces text/test, which is what we don't want in this case.
String str;
str = target().path("resource/exception").request("text/plain").get().readEntity(String.class);
assertEquals("mapper:1", str);
str = target().path("resource/exception").request("text/plain").get().readEntity(String.class);
assertEquals("mapper:2", str);
}
@Test
public void messageBodyWriterTest() {
String str1;
str1 = target().path("resource/messagebody").request("text/test").get().readEntity(String.class);
assertTrue(str1.endsWith(":1"));
String str2;
str2 = target().path("resource/messagebody").request("text/test").get().readEntity(String.class);
assertTrue(str2.endsWith(":2"));
assertEquals(str1.substring(0, str1.length() - 2), str2.substring(0, str2.length() - 2));
}
@Test
public void messageBodyReaderTest() {
String str1 = target().path("resource/messagebodyreader").request("text/plain")
.put(Entity.entity("from-client", "text/test")).readEntity(String.class);
assertTrue(str1.endsWith(":1"));
String str2 = target().path("resource/messagebodyreader").request("text/plain").put(Entity.entity("from-client",
"text/test")).readEntity(String.class);
assertTrue(str2.endsWith(":2"));
assertEquals(str1.substring(0, str1.length() - 2), str2.substring(0, str2.length() - 2));
}
@Test
public void contextResolverTest() {
String str1 = target().path("resource/context").request("text/plain").get().readEntity(String.class);
assertEquals("context:1", str1);
String str2 = target().path("resource/context").request("text/plain").get().readEntity(String.class);
assertEquals("context:2", str2);
}
@Path("resource")
public static class SingletonResource {
@GET
@Path("filter")
public String getCounterFromFilter(@HeaderParam("counter") int counter) {
return "filter:" + counter;
}
@GET
@Path("exception")
public String throwException() {
throw new SingletonTestException("test exception");
}
@GET
@Path("messagebody")
@Produces("text/test")
public String messageBodyTest() {
return "messagebody:";
}
@PUT
@Path("messagebodyreader")
@Produces("text/plain")
@Consumes("text/test")
public String messageBodyReaderTest(String entity) {
return "put:" + entity;
}
@GET
@Path("context")
@Produces(MediaType.TEXT_PLAIN)
public String testContextResolver(@Context ContextResolvers resolvers) {
ContextResolver<String> contextResolver = resolvers.resolve(String.class, MediaType.TEXT_PLAIN_TYPE);
String context = contextResolver.getContext(String.class);
return context;
}
}
public static class AnyFilter implements ContainerRequestFilter {
private int counter = 1;
@Override
public void filter(ContainerRequestContext requestContext) throws IOException {
requestContext.getHeaders().add("counter", String.valueOf(counter++));
}
}
@Provider
public static class ExceptionMappingProvider implements ExceptionMapper<SingletonTestException> {
private int counter = 1;
@Override
public Response toResponse(SingletonTestException exception) {
return Response.status(Response.Status.INTERNAL_SERVER_ERROR).entity("mapper:" + counter++).build();
}
}
public static class SingletonTestException extends RuntimeException {
public SingletonTestException() {
super();
}
public SingletonTestException(String message) {
super(message);
}
}
@Produces(MediaType.TEXT_PLAIN)
public static class MyContextResolver implements ContextResolver<String> {
private int i = 1;
@Override
public String getContext(Class<?> type) {
if (type == String.class) {
return "context:" + i++;
}
return null;
}
}
@Produces({"text/test"})
@Consumes({"text/test"})
public static final class SingletonStringMessageProvider extends AbstractMessageReaderWriterProvider<String> {
private int counter = 1;
private int readerCounter = 1;
@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
return type == String.class;
}
@Override
public String readFrom(
Class<String> type,
Type genericType,
Annotation annotations[],
MediaType mediaType,
MultivaluedMap<String, String> httpHeaders,
InputStream entityStream) throws IOException {
return ReaderWriter.readFromAsString(entityStream, mediaType) + this + ":" + readerCounter++;
}
@Override
public boolean isWriteable(Class<?> type, Type genericType, Annotation annotations[], MediaType mediaType) {
return type == String.class;
}
@Override
public long getSize(String s, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return -1;
}
@Override
public void writeTo(
String t,
Class<?> type,
Type genericType,
Annotation annotations[],
MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders,
OutputStream entityStream) throws IOException {
ReaderWriter.writeToAsString(t + this + ":" + counter++, entityStream, mediaType);
}
}
}