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package org.glassfish.jersey.tests.e2e.entity;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.lang.annotation.Annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.Type;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
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 javax.ws.rs.ext.MessageBodyWriter;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Tests annotations passed to message body provider.
*
* @author Miroslav Fuksa
*/
public class MessageBodyProviderAnnotationsTest extends JerseyTest {
@Override
protected Application configure() {
return new ResourceConfig(ContainerReaderWriter.class, Resource.class);
}
@Test
public void testWriter() {
String get = target().path("test").request("test/text").get(String.class);
assertEquals("get-ok", get);
}
@Test
public void testReader() {
String get = target().path("test").request("text/plain").post(Entity.entity("test", "test/text"), String.class);
assertEquals("ok", get);
}
@Produces("test/text")
@Consumes("test/text")
public static class ContainerReaderWriter implements MessageBodyWriter<String>, MessageBodyReader<Bean> {
@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 s, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException,
WebApplicationException {
OutputStreamWriter osw = new OutputStreamWriter(entityStream);
if (compareAnnotations(new Class<?>[]{MyAnnotation.class, Produces.class, GET.class}, annotations)) {
osw.write(s + "-ok");
} else {
osw.write(s + "-fail");
}
osw.flush();
}
@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return type == Bean.class;
}
@Override
public Bean readFrom(Class<Bean> type, Type genericType, Annotation[] annotations, MediaType mediaType,
MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException,
WebApplicationException {
if (compareAnnotations(new Class<?>[]{MyAnnotation.class}, annotations)) {
return new Bean("ok");
} else {
return new Bean("fail");
}
}
}
public static class Bean {
private final String value;
public Bean(String value) {
this.value = value;
}
public String getValue() {
return value;
}
}
private static boolean compareAnnotations(Class[] expected, Annotation[] actual) {
if (expected.length != actual.length) {
return false;
}
for (Class<?> e : expected) {
boolean found = false;
for (Annotation a : actual) {
if (e.equals(a.annotationType())) {
found = true;
break;
}
}
if (!found) {
return false;
}
}
return true;
}
public static final Annotation ANNOTATION;
@Retention(RetentionPolicy.RUNTIME)
public static @interface MyAnnotation {
}
static {
@MyAnnotation
class TempClass {
}
;
ANNOTATION = TempClass.class.getAnnotation(MyAnnotation.class);
}
@Path("test")
public static class Resource {
@GET
@Produces("test/text")
public Response get() {
Response response = Response.ok().entity("get", new Annotation[]{ANNOTATION}).build();
return response;
}
@POST
@Consumes("test/text")
@Produces("text/plain")
public String post(@MyAnnotation Bean entity) {
return entity.getValue();
}
}
}