MyCustomView.java

package org.jboss.resteasy.springmvc.test.view;

import org.springframework.stereotype.Component;
import org.springframework.web.servlet.View;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

@Component
public class MyCustomView implements View {

	public String getContentType() {
		return "application/custom";
	}

	@SuppressWarnings("rawtypes")
	public void render(Map model, HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		response.setContentType(getContentType());
		response.getOutputStream().print("Hi, I'm custom!");
	}

}