com.vaadin.flow.server.startup

Class ServletVerifier

java.lang.Object

com.vaadin.flow.server.startup.ServletVerifier

All Implemented Interfaces:

javax.servlet.ServletContainerInitializer

public class ServletVerifier
extends Object
implements javax.servlet.ServletContainerInitializer

Verify the servlet version on container initialization.

In cases of non compatible servlet version application deployment will fail.

Constructor Summary

Constructors

Constructor and Description
ServletVerifier()

Method Summary

Modifier and Type	Method and Description
void	onStartup(Set<Class<?>> c, javax.servlet.ServletContext ctx)
static void	verifyServletVersion() Verify that the used servlet version is not too old.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ServletVerifier

public ServletVerifier()

Method Detail

onStartup

public void onStartup(Set<Class<?>> c,
                      javax.servlet.ServletContext ctx)
               throws javax.servlet.ServletException

Specified by:

onStartup in interface javax.servlet.ServletContainerInitializer

Throws:

javax.servlet.ServletException

verifyServletVersion

public static void verifyServletVersion()
                                 throws javax.servlet.ServletException

Verify that the used servlet version is not too old.

Throws:

javax.servlet.ServletException - thrown if the servlet version is not compatible