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package org.glassfish.jersey.media.htmljson;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashSet;
import javax.ws.rs.ConstrainedTo;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.RuntimeType;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Application;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.WriterInterceptor;
import javax.ws.rs.ext.WriterInterceptorContext;
import org.glassfish.jersey.client.ClientConfig;
import org.glassfish.jersey.message.internal.ReaderWriter;
import org.glassfish.jersey.server.ResourceConfig;
import org.glassfish.jersey.test.JerseyTest;
import static org.junit.Assert.assertEquals;
/**
* Abstract entity type tester base class.
*
* @author Paul Sandoz (paul.sandoz at oracle.com)
* @author Martin Matula (martin.matula at oracle.com)
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public abstract class AbstractTypeTester extends JerseyTest {
protected static byte[] requestEntity;
public static abstract class AResource<T> {
@POST
public T post(T t) {
return t;
}
}
public static class RequestEntityInterceptor implements WriterInterceptor {
@Override
public void aroundWriteTo(WriterInterceptorContext writerInterceptorContext) throws IOException, WebApplicationException {
OutputStream original = writerInterceptorContext.getOutputStream();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
writerInterceptorContext.setOutputStream(baos);
writerInterceptorContext.proceed();
requestEntity = baos.toByteArray();
original.write(requestEntity);
}
}
/**
* Looks for all resources and providers declared as inner classes of the subclass of this class
* and adds them to the returned ResourceConfig (unless constrained to client side).
*
* @return ResourceConfig instance
*/
@Override
protected Application configure() {
HashSet<Class<?>> classes = new HashSet<Class<?>>();
for (Class<?> cls : getClass().getDeclaredClasses()) {
if (cls.getAnnotation(Path.class) != null) {
classes.add(cls);
} else if (cls.getAnnotation(Provider.class) != null) {
final ConstrainedTo constrainedTo = cls.getAnnotation(ConstrainedTo.class);
if (constrainedTo == null || constrainedTo.value() == RuntimeType.SERVER) {
classes.add(cls);
}
}
}
return new ResourceConfig(classes);
}
/**
* Looks for all providers declared as inner classes of the subclass of this class
* and adds them to the client configuration (unless constrained to server side).
*/
@Override
protected void configureClient(ClientConfig config) {
config.register(RequestEntityInterceptor.class);
for (Class<?> cls : getClass().getDeclaredClasses()) {
if (cls.getAnnotation(Provider.class) != null) {
final ConstrainedTo constrainedTo = cls.getAnnotation(ConstrainedTo.class);
if (constrainedTo == null || constrainedTo.value() == RuntimeType.CLIENT) {
config.register(cls);
}
}
}
}
protected <T> void _test(T in, Class resource) {
_test(in, resource, true);
}
protected <T> void _test(T in, Class resource, MediaType m) {
_test(in, resource, m, true);
}
protected <T> void _test(T in, Class resource, boolean verify) {
_test(in, resource, MediaType.TEXT_PLAIN_TYPE, verify);
}
protected <T> void _test(T in, Class resource, MediaType m, boolean verify) {
WebTarget target = target(resource.getSimpleName());
Response response = target.request().post(Entity.entity(in, m));
byte[] inBytes = requestEntity;
byte[] outBytes = getEntityAsByteArray(response);
if (verify) {
_verify(inBytes, outBytes);
}
}
protected static void _verify(byte[] in, byte[] out) {
assertEquals(in.length, out.length);
for (int i = 0; i < in.length; i++) {
if (in[i] != out[i]) {
assertEquals("Index: " + i, in[i], out[i]);
}
}
}
protected static byte[] getEntityAsByteArray(Response r) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
ReaderWriter.writeTo(r.readEntity(InputStream.class), baos);
} catch (IOException e) {
e.printStackTrace();
}
return baos.toByteArray();
}
}