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package org.glassfish.jersey.server.model;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.concurrent.ExecutionException;
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.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import org.glassfish.jersey.server.ApplicationHandler;
import org.glassfish.jersey.server.ContainerRequest;
import org.glassfish.jersey.server.RequestContextBuilder;
import org.glassfish.jersey.server.ResourceConfig;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
*
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
public class AcceptAnnotatedReaderWriterTest {
private ApplicationHandler createApplication(Class<?>... classes) {
return new ApplicationHandler(new ResourceConfig(classes));
}
public static class StringWrapper {
public String s;
public StringWrapper() {
}
public StringWrapper(String s) {
this.s = s;
}
}
public static class StringWrapperFoo extends StringWrapper {
public StringWrapperFoo() {
}
public StringWrapperFoo(String s) {
super(s);
}
}
public static class StringWrapperBar extends StringWrapper {
public StringWrapperBar() {
}
public StringWrapperBar(String s) {
super(s);
}
}
public static final String APPLICATION_BAR = "application/bar";
public static final String APPLICATION_FOO = "application/foo";
public static abstract class StringWrapperWorker<T extends StringWrapper> implements MessageBodyReader<T>, MessageBodyWriter<T> {
@Provider
@Produces(APPLICATION_BAR)
@Consumes(APPLICATION_BAR)
public static class BarStringWorker<StringWrapper> extends StringWrapperWorker {
@Override
MediaType getMediaType() {
return MediaType.valueOf(APPLICATION_BAR);
}
@Override
String getPrefix() {
return "bar: ";
}
}
@Provider
@Produces(APPLICATION_BAR)
@Consumes(APPLICATION_BAR)
public static class BarBarStringWorker<StringWrapperBar> extends BarStringWorker {
}
@Provider
@Produces(APPLICATION_FOO)
@Consumes(APPLICATION_FOO)
public static class FooStringWorker<StringWrapper> extends StringWrapperWorker {
@Override
MediaType getMediaType() {
return MediaType.valueOf(APPLICATION_FOO);
}
@Override
String getPrefix() {
return "foo: ";
}
}
@Provider
@Produces(APPLICATION_FOO)
@Consumes(APPLICATION_FOO)
public static class FooFooStringWorker<StringWrapperFoo> extends FooStringWorker {
}
abstract MediaType getMediaType();
abstract String getPrefix();
@Override
public boolean isWriteable(
Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return javaAndMediaTypeKnown(type, mediaType);
}
private boolean javaAndMediaTypeKnown(final Class<?> clazz, final MediaType mediaType) {
String wrapperName = getClass().getTypeParameters()[0].getName();
return clazz.getSimpleName().equals(wrapperName) && getMediaType().isCompatible(mediaType);
}
@Override
public long getSize(
T t,
Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
return -1;
}
@Override
public void writeTo(
T t,
Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders,
OutputStream entityStream) throws IOException, WebApplicationException {
String s = getPrefix() + t.s;
entityStream.write(s.getBytes());
}
@Override
public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return javaAndMediaTypeKnown(type, mediaType);
}
@Override
public T readFrom(Class<T> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
try {
T result = type.newInstance();
result.s = readString(entityStream).substring(getPrefix().length());
return result;
} catch (Exception e) {
return null;
}
}
}
@Path("/")
public static class TwoGetMethodsResource {
@GET
public StringWrapperFoo getFoo() {
return new StringWrapperFoo("1st");
}
@GET
public StringWrapperBar getBar() {
return new StringWrapperBar("2nd");
}
}
@Test
public void testAcceptGet() throws Exception {
ApplicationHandler app = createApplication(TwoGetMethodsResource.class, StringWrapperWorker.FooFooStringWorker.class, StringWrapperWorker.BarBarStringWorker.class);
_test(app, "foo: 1st", "GET", null, null, "application/foo");
_test(app, "foo: 1st", "GET", null, null, "application/bar;q=0.8", "application/foo");
_test(app, "bar: 2nd", "GET", null, null, "application/bar;q=0.5", "application/foo;q=0.2");
_test(app, "foo: 1st", "GET", null, null, "applcation/baz", "application/foo;q=0.8");
_test(app, "bar: 2nd", "GET", null, null, "application/bar");
_test(app, "bar: 2nd", "GET", null, null, "application/foo;q=0.8", "application/bar");
_test(app, "bar: 2nd", "GET", null, null, "applcation/baz", "application/bar;q=0.8");
}
@Path("/")
public static class SingleGetMethodResource {
@GET
public StringWrapper get() {
return new StringWrapper("content");
}
}
@Test
public void testSingleMethodAcceptGet() throws Exception {
final ApplicationHandler app = createApplication(SingleGetMethodResource.class, StringWrapperWorker.FooStringWorker.class, StringWrapperWorker.BarStringWorker.class);
_test(app, "foo: content", "GET", null, null, "application/foo");
_test(app, "foo: content", "GET", null, null, "application/bar;q=0.5, application/foo");
_test(app, "foo: content", "GET", null, null, "applcation/baz, application/foo;q=0.8");
_test(app, "bar: content", "GET", null, null, "application/bar");
_test(app, "bar: content", "GET", null, null, "application/foo;q=0.5, application/bar");
_test(app, "bar: content", "GET", null, null, "applcation/baz, application/bar;q=0.8");
}
@Path("/")
public static class MultiplePostMethodResource {
@Context HttpHeaders httpHeaders;
@POST
public StringWrapperBar postFoo2Bar(StringWrapperFoo foo) {
assertEquals("application/foo", httpHeaders.getMediaType().toString());
return new StringWrapperBar(foo.s);
}
@POST
public StringWrapperBar postBar2Bar(StringWrapperBar bar) {
assertEquals("application/bar", httpHeaders.getMediaType().toString());
return new StringWrapperBar(bar.s);
}
@POST
public StringWrapperFoo postBar2Foo(StringWrapperBar bar) {
assertEquals("application/bar", httpHeaders.getMediaType().toString());
return new StringWrapperFoo(bar.s);
}
@POST
public StringWrapperFoo postFoo2Foo(StringWrapperFoo foo) {
assertEquals("application/foo", httpHeaders.getMediaType().toString());
return new StringWrapperFoo(foo.s);
}
}
@Test
public void testSingleMethodConsumesProducesPost() throws Exception {
final ApplicationHandler app = createApplication(MultiplePostMethodResource.class, StringWrapperWorker.FooFooStringWorker.class, StringWrapperWorker.BarBarStringWorker.class);
_test(app, "foo: foo", "POST", new StringWrapperFoo("foo"), APPLICATION_FOO, APPLICATION_FOO);
_test(app, "foo: bar", "POST", new StringWrapperBar("bar"), APPLICATION_BAR, APPLICATION_FOO);
_test(app, "bar: foo", "POST", new StringWrapperFoo("foo"), APPLICATION_FOO, APPLICATION_BAR);
_test(app, "bar: bar", "POST", new StringWrapperBar("bar"), APPLICATION_BAR, APPLICATION_BAR);
}
private void _test(ApplicationHandler app, String expected, String method, Object entity, String mediaType, String... accept)
throws ExecutionException, InterruptedException {
RequestContextBuilder requestContextBuilder = RequestContextBuilder.from("/", method);
if (entity != null) {
requestContextBuilder.entity(entity).type(mediaType);
}
ContainerRequest requestContext = requestContextBuilder.accept(accept).build();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
app.apply(requestContext, baos);
assertEquals(expected, baos.toString());
}
static String readString(InputStream is) throws IOException {
byte[] buffer = new byte[2048];
StringBuilder result = new StringBuilder();
int i;
while ((i = is.read(buffer)) > -1) {
result.append(new String(buffer, 0, i));
}
is.close();
return result.toString();
}
}