34 lines
1.4 KiB
Java
34 lines
1.4 KiB
Java
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package com.baeldung.web;
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import java.util.Set;
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import javax.servlet.ServletContext;
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import javax.servlet.ServletException;
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import javax.servlet.ServletRegistration;
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import org.springframework.web.WebApplicationInitializer;
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import org.springframework.web.context.ContextLoaderListener;
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import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
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import org.springframework.web.context.support.GenericWebApplicationContext;
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import org.springframework.web.servlet.DispatcherServlet;
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public class WebAppInitializer implements WebApplicationInitializer {
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@Override
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public void onStartup(final ServletContext sc) throws ServletException {
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final AnnotationConfigWebApplicationContext root = new AnnotationConfigWebApplicationContext();
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root.scan("com.baeldung.spring");
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sc.addListener(new ContextLoaderListener(root));
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final ServletRegistration.Dynamic appServlet = sc.addServlet("spring", new DispatcherServlet(new GenericWebApplicationContext()));
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appServlet.setLoadOnStartup(1);
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final Set<String> mappingConflicts = appServlet.addMapping("/");
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if (!mappingConflicts.isEmpty()) {
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throw new IllegalStateException("'appServlet' could not be mapped to '/' due " + "to an existing mapping. This is a known issue under Tomcat versions " + "<= 7.0.14; see https://issues.apache.org/bugzilla/show_bug.cgi?id=51278");
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}
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}
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}
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