package org.jboss.resteasy.test.client.resource;

import org.jboss.resteasy.core.Headers;
import org.jboss.resteasy.specimpl.BuiltResponse;
import org.jboss.resteasy.spi.HttpResponseCodes;
import org.junit.Assert;

import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

public class NoContentStreamingCloseTestResponse extends BuiltResponse {

   public static NoContentStreamingCloseTestResponse buildStreamingResponse(InputStream stream, int len) {
      return new NoContentStreamingCloseTestResponse(stream, headers(len));
   }

   public static NoContentStreamingCloseTestResponse buildStreamingResponse(String contentType, InputStream stream, int len) {
      return new NoContentStreamingCloseTestResponse(stream, headers(contentType, len));
   }

   private static Headers<Object> headers(int len) {
      return headers("application/octet-stream", len);
   }

   private static Headers<Object> headers(String contentType, int len) {
      Headers<Object> headers = new Headers<Object>();
      headers.putSingle("Content-Type", contentType);
      if (len >= 0) {
         headers.putSingle("Content-Length", Integer.toString(len));
      }
      return headers;
   }

   private NoContentStreamingCloseTestResponse(final InputStream stream, final Headers<Object> headers) {
      super(HttpResponseCodes.SC_OK, headers, stream, null);
   }

   @Override
   public <T> T readEntity(Class<T> type, Type genericType, Annotation[] anns) {
      return type.cast(getEntity());
   }

   @Override
   public void close() {
      Assert.fail("Due to the InputStream-Entity the Response must not be closed but the Inputstream");
      super.close();
   }
}
