VaadinRefreshServlet.java example

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/*
 * Copyright 2000-2016 Vaadin Ltd.
 *
 * 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 com.vaadin.tests.applicationservlet;

import java.io.IOException;
import java.io.InputStream;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;

import com.vaadin.annotations.VaadinServletConfiguration;
import com.vaadin.server.VaadinServlet;

@VaadinServletConfiguration(ui = ContextProtocol.class, productionMode = false)
public class VaadinRefreshServlet extends VaadinServlet {

    @Override
    protected void service(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException {
        if (request.getRequestURI().contains("/UIDL")) {
            InputStream loginHtml = request.getServletContext()
                    .getResourceAsStream("/statictestfiles/login.html");
            IOUtils.copy(loginHtml, response.getOutputStream());
            return;
        }
        super.service(request, response);
    }
}