test.config.WebAppInitializer.java Source code

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Here is the source code for test.config.WebAppInitializer.java

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/*
 * Copyright 2002-2012 the original author or authors.
 *
 * 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 test.config;

import java.util.concurrent.CountDownLatch;

import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration.Dynamic;

import org.springframework.web.WebApplicationInitializer;

import test.DispatchingAsyncServlet;
import test.ForwardingAsyncServlet;
import test.ForwardingServlet;
import test.JsonServlet;
import test.RedirectingServlet;

public class WebAppInitializer implements WebApplicationInitializer {

    @Override
    public void onStartup(ServletContext servletContext) throws ServletException {

        setupDispatchScenario(servletContext);

        setupForwardScenario(servletContext);

        setupRedirectScenario(servletContext);

        setupJsonScenario(servletContext);
    }

    private void setupDispatchScenario(ServletContext servletContext) {

        CountDownLatch latch = new CountDownLatch(1);

        Dynamic servlet;
        servlet = servletContext.addServlet("DispA", new ForwardingServlet("A", "/dispScenarioB/b?b=B", latch));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/dispScenarioA/*");

        servlet = servletContext.addServlet("DispB", new ForwardingServlet("B", "/dispScenarioC/c?c=C", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/dispScenarioB/*");

        servlet = servletContext.addServlet("DispC",
                new DispatchingAsyncServlet("C", "/dispScenarioD/d?d=D", latch));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/dispScenarioC/*");

        servlet = servletContext.addServlet("DispD", new ForwardingServlet("D", "/WEB-INF/page.jsp", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/dispScenarioD/*");
    }

    private void setupForwardScenario(ServletContext servletContext) {

        CountDownLatch latch = new CountDownLatch(1);

        Dynamic servlet;
        servlet = servletContext.addServlet("ForwardA",
                new ForwardingServlet("A", "/forwardScenarioB/b?b=B", latch));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/forwardScenarioA/*");

        servlet = servletContext.addServlet("ForwardB",
                new ForwardingServlet("B", "/forwardScenarioC/c?c=C", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/forwardScenarioB/*");

        servlet = servletContext.addServlet("ForwardC",
                new ForwardingAsyncServlet("C", "/forwardScenarioD/d?d=D", latch));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/forwardScenarioC/*");

        servlet = servletContext.addServlet("ForwardD", new ForwardingServlet("D", "/WEB-INF/page.jsp", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/forwardScenarioD/*");
    }

    private void setupRedirectScenario(ServletContext servletContext) {

        Dynamic servlet;
        servlet = servletContext.addServlet("RedirectA",
                new DispatchingAsyncServlet("A", "/redirectScenarioB/b?b=B", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/redirectScenarioA/*");

        servlet = servletContext.addServlet("RedirectB",
                new RedirectingServlet("B", "../redirectScenarioC/c?c=C", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/redirectScenarioB/*");

        servlet = servletContext.addServlet("RedirectC", new ForwardingServlet("C", "/WEB-INF/page.jsp", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/redirectScenarioC/*");
    }

    private void setupJsonScenario(ServletContext servletContext) {

        Dynamic servlet;
        servlet = servletContext.addServlet("JsonA", new DispatchingAsyncServlet("A", "/jsonScenarioB", null));
        servlet.setAsyncSupported(true);
        servlet.addMapping("/jsonScenarioA/*");

        servlet = servletContext.addServlet("JsonB", new JsonServlet());
        servlet.setAsyncSupported(true);
        servlet.addMapping("/jsonScenarioB/*");
    }

}