Merge pull request #12215 from izeye:doc-name
* pr/12215: Update doc to align with TomcatEmbeddedServletContainerFactory renamingpull/12203/merge
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/*
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* Copyright 2012-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.docs.cloudfoundry;
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import java.io.IOException;
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import java.util.Collections;
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import javax.servlet.GenericServlet;
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import javax.servlet.Servlet;
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import javax.servlet.ServletContainerInitializer;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRequest;
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import javax.servlet.ServletResponse;
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import org.apache.catalina.Host;
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import org.apache.catalina.core.StandardContext;
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import org.apache.catalina.startup.Tomcat;
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import org.springframework.boot.web.embedded.tomcat.TomcatServletWebServerFactory;
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import org.springframework.boot.web.servlet.ServletContextInitializer;
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import org.springframework.context.annotation.Bean;
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/**
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* Example configuration for custom context path in Cloud Foundry.
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*
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* @author Johnny Lim
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*/
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public class CloudFoundryCustomContextPathExample {
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// tag::configuration[]
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@Bean
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public TomcatServletWebServerFactory servletWebServerFactory() {
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return new TomcatServletWebServerFactory() {
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@Override
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protected void prepareContext(Host host, ServletContextInitializer[] initializers) {
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super.prepareContext(host, initializers);
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StandardContext child = new StandardContext();
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child.addLifecycleListener(new Tomcat.FixContextListener());
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child.setPath("/cloudfoundryapplication");
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ServletContainerInitializer initializer = getServletContextInitializer(getContextPath());
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child.addServletContainerInitializer(initializer, Collections.emptySet());
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child.setCrossContext(true);
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host.addChild(child);
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}
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};
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}
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private ServletContainerInitializer getServletContextInitializer(String contextPath) {
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return (c, context) -> {
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Servlet servlet = new GenericServlet() {
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@Override
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public void service(ServletRequest req, ServletResponse res)
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throws ServletException, IOException {
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ServletContext context = req.getServletContext().getContext(contextPath);
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context.getRequestDispatcher("/cloudfoundryapplication").forward(req, res);
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}
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};
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context.addServlet("cloudfoundry", servlet).addMapping("/*");
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};
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}
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// end::configuration[]
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}
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