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package org.glassfish.jersey.tests.e2e.server.routing;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyWriter;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
/**
* @author Michal Gajdos
*/
public class InheritanceTest extends JerseyTest {
@Override
protected Application configure() {
return new ResourceConfig(Resource.class).register(WriterA.class).register(WriterB.class).register(WriterString.class);
}
public static class A {
String value;
public A() {
this.value = "a";
}
public A(final String value) {
this.value = value;
}
}
public static class B extends A {
public B() {
super("b");
}
public B(final String value) {
super("b" + value);
}
}
@Path("/")
public static class Resource {
@GET
public A getA() {
return new B("a");
}
}
public static class WriterA implements MessageBodyWriter<A> {
@Override
public boolean isWriteable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return A.class.isAssignableFrom(type);
}
@Override
public long getSize(final A a, final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return -1;
}
@Override
public void writeTo(final A a, final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType, final MultivaluedMap<String, Object> httpHeaders,
final OutputStream entityStream) throws IOException, WebApplicationException {
entityStream.write(("a" + a.value).getBytes());
}
}
@Produces({"text/plain"})
public static class WriterString implements MessageBodyWriter<String> {
@Override
public boolean isWriteable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return true;
}
@Override
public long getSize(final String s, final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return -1;
}
@Override
public void writeTo(final String s, final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType, final MultivaluedMap<String, Object> httpHeaders,
final OutputStream entityStream) throws IOException, WebApplicationException {
entityStream.write(s.getBytes());
}
}
@Produces("b/b")
public static class WriterB implements MessageBodyWriter<B> {
@Override
public boolean isWriteable(final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return B.class.isAssignableFrom(type);
}
@Override
public long getSize(final B b, final Class<?> type, final Type genericType, final Annotation[] annotations,
final MediaType mediaType) {
return -1;
}
@Override
public void writeTo(final B b,
final Class<?> type,
final Type genericType,
final Annotation[] annotations,
final MediaType mediaType,
final MultivaluedMap<String, Object> httpHeaders,
final OutputStream entityStream) throws IOException, WebApplicationException {
entityStream.write(("b" + b.value).getBytes());
}
}
@Test
public void testWriterEntityInheritance() throws Exception {
assertThat(target().request("a/b").get(String.class), equalTo("aba"));
}
}