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## org.richfaces.webapp
Class GenericServletContainerInitializer

    java.lang.Object
      org.richfaces.webapp.GenericServletContainerInitializer

All Implemented Interfaces:
  javax.servlet.ServletContainerInitializer

Direct Known Subclasses:
  PushServletContainerInitializer, ResourceServletContainerInitializer

    public abstract class GenericServletContainerInitializer

extends Object
implements javax.servlet.ServletContainerInitializer

Provides common functionality for `ServletContainerInitializer` implementatios.

Author:
  Lukas Fryc

Constructor Summary
`GenericServletContainerInitializer()`

Method Summary
`protected javax.servlet.ServletRegistration` | `getServletRegistration(Class<? extends javax.servlet.Servlet> servletClass, javax.servlet.ServletContext context)` Returns the servlet registration for given `Servlet` class, which has at least one mapping registered.
`protected boolean` | `hasFilterMapping(Class<? extends javax.servlet.Filter> filterClass, javax.servlet.ServletContext context)` Detects if given `Filter` class has been already registered.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface javax.servlet.ServletContainerInitializer
`onStartup`

Constructor Detail

### GenericServletContainerInitializer

    public GenericServletContainerInitializer()

Method Detail

### hasFilterMapping

    protected boolean hasFilterMapping(Class<? extends javax.servlet.Filter> filterClass,
                                       javax.servlet.ServletContext context)

  Detects if given `Filter` class has been already registered.

  Parameters:
    `filterClass` - `Filter` implementation class
    `context` - to search for registration
  Returns:
    true if given `Filter` class has been already registered.

### getServletRegistration

    protected javax.servlet.ServletRegistration getServletRegistration(Class<? extends javax.servlet.Servlet> servletClass,
                                                                       javax.servlet.ServletContext context)

  Returns the servlet registration for given `Servlet` class, which has at least one mapping registered.

  Returns null otherwise.

  Parameters:
    `servletClass` - `Servlet` implementation class
    `context` - to search for registration
  Returns:
    the servlet registration for given `Servlet` class, which has at least one mapping registered, null otherwise.

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