/**
* Copyright (C) 2009-2012 the original author or authors.
* See the notice.md file distributed with this work for additional
* information regarding copyright ownership.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.fusesource.restygwt.server.complex;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.type.TypeFactory;
import org.fusesource.restygwt.client.complex.JsonTypeIdResolver.AbstractDTO;
import org.fusesource.restygwt.client.complex.JsonTypeIdResolver.DTO1;
import org.fusesource.restygwt.client.complex.JsonTypeIdResolver.DTO2;
import com.google.gwt.thirdparty.guava.common.collect.Lists;
public class DTOTypeResolverServlet extends HttpServlet
{
private static final long serialVersionUID = 8761900300798640874L;
/**
* Fake method to introspect to get generic type
* @return null
*/
public List<AbstractDTO> prototype()
{
return null;
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
{
DTO1 one = new DTO1();
one.name = "Fred Flintstone";
one.size = 1024;
DTO2 two = new DTO2();
two.name = "Barney Rubble";
two.foo = "schmaltzy";
DTO2 three = new DTO2();
three.name = "BamBam Rubble";
three.foo = "dorky";
resp.setContentType("application/json");
ObjectMapper om = new ObjectMapper();
try
{
ObjectWriter writer = om.writer().withType(om.constructType(getClass().getMethod("prototype").getGenericReturnType()));
writer.writeValue(resp.getOutputStream(), Lists.newArrayList(one, two, three));
}
catch (Exception e)
{
throw new ServletException(e);
}
}
}