javax.servlet.ServletRegistration Maven / Gradle / Ivy
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package javax.servlet;
import java.util.*;
/**
* Interface through which a {@link Servlet} may be further configured.
*
* @since Servlet 3.0
*/
public interface ServletRegistration extends Registration {
/**
* Adds a servlet mapping with the given URL patterns for the Servlet
* represented by this ServletRegistration.
*
* If any of the specified URL patterns are already mapped to a
* different Servlet, no updates will be performed.
*
* @param urlPatterns the URL patterns of the servlet mapping
*
* @return the (possibly empty) Set of URL patterns that are already
* mapped to a different Servlet
*
* @throws IllegalArgumentException if urlPatterns is null
* or empty
* @throws IllegalStateException if the ServletContext from which this
* ServletRegistration was obtained has already been initialized
*/
public Set addMapping(String... urlPatterns);
/**
* Gets an Iterable over the currently available mappings of the
* Servlet represented by this ServletRegistration.
*
* @return Iterable over the currently available mappings
* of the Servlet represented by this ServletRegistration.
*/
public Iterable getMappings();
/**
* Interface through which a {@link Servlet} registered via one of the
* addServlet methods on {@link ServletContext} may be further
* configured.
*/
interface Dynamic extends ServletRegistration, Registration.Dynamic {
/**
* Sets the loadOnStartup priority on the Servlet
* represented by this dynamic ServletRegistration.
*
* A loadOnStartup value of greater than or equal to
* zero indicates to the container the initialization priority of
* the Servlet. In this case, the container must instantiate and
* initialize the Servlet during the initialization phase of the
* ServletContext, that is, after it has invoked all of the
* ServletContextListener objects configured for the ServletContext
* at their {@link ServletContextListener#contextInitialized}
* method.
*
*
If loadOnStartup is a negative integer, the container
* is free to instantiate and initialize the Servlet lazily.
*
*
The default value for loadOnStartup is -1.
*
*
A call to this method overrides any previous setting.
*
* @param loadOnStartup the initialization priority of the Servlet
*
* @throws IllegalStateException if the ServletContext from which
* this dynamic ServletRegistration was obtained has already been
* initialized
*/
public void setLoadOnStartup(int loadOnStartup);
}
}