Browse Source
* pr/12215: Update doc to align with TomcatEmbeddedServletContainerFactory renamingpull/12203/merge
2 changed files with 83 additions and 31 deletions
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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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