org.apache.catalina.core

## Class ApplicationFilterRegistration

- java.lang.Object
- - org.apache.catalina.core.ApplicationFilterRegistration

- All Implemented Interfaces:
    FilterRegistration, FilterRegistration.Dynamic, Registration, Registration.Dynamic

      public class ApplicationFilterRegistration
      extends Object
      implements FilterRegistration.Dynamic

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from interface javax.servlet.FilterRegistration

      `FilterRegistration.Dynamic`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ApplicationFilterRegistration(FilterDef filterDef, Context context)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addMappingForServletNames(EnumSet<DispatcherType> dispatcherTypes, boolean isMatchAfter, String... servletNames)` Add a mapping for this filter to one or more named Servlets.
    `void` | `addMappingForUrlPatterns(EnumSet<DispatcherType> dispatcherTypes, boolean isMatchAfter, String... urlPatterns)` Add a mapping for this filter to one or more URL patterns.
    `String` | `getClassName()`
    `String` | `getInitParameter(String name)` Get the value of an initialisation parameter.
    `Map<String,String>` | `getInitParameters()` Get the names and values of all the initialisation parameters.
    `String` | `getName()`
    `Collection<String>` | `getServletNameMappings()` Gets the currently available servlet name mappings of the Filter represented by this FilterRegistration.
    `Collection<String>` | `getUrlPatternMappings()` Gets the currently available URL pattern mappings of the Filter represented by this FilterRegistration.
    `void` | `setAsyncSupported(boolean asyncSupported)` Mark this Servlet/Filter as supported asynchronous processing.
    `boolean` | `setInitParameter(String name, String value)` Add an initialisation parameter if not already added.
    `Set<String>` | `setInitParameters(Map<String,String> initParameters)` Add multiple initialisation parameters.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### ApplicationFilterRegistration

          public ApplicationFilterRegistration(FilterDef filterDef,
                                       Context context)

  - ### Method Detail

    - #### addMappingForServletNames

          public void addMappingForServletNames(EnumSet<DispatcherType> dispatcherTypes,
                                       boolean isMatchAfter,
                                       String... servletNames)

      Description copied from interface: `javax.servlet.FilterRegistration`
      Add a mapping for this filter to one or more named Servlets.
      Specified by:
        `addMappingForServletNames` in interface `FilterRegistration`
      Parameters:
        `dispatcherTypes` - The dispatch types to which this filter should apply
        `isMatchAfter` - Should this filter be applied after any mappings defined in the deployment descriptor (`true`) or before?
        `servletNames` - Requests mapped to these servlets will be processed by this filter

    - #### addMappingForUrlPatterns

          public void addMappingForUrlPatterns(EnumSet<DispatcherType> dispatcherTypes,
                                      boolean isMatchAfter,
                                      String... urlPatterns)

      Description copied from interface: `javax.servlet.FilterRegistration`
      Add a mapping for this filter to one or more URL patterns.
      Specified by:
        `addMappingForUrlPatterns` in interface `FilterRegistration`
      Parameters:
        `dispatcherTypes` - The dispatch types to which this filter should apply
        `isMatchAfter` - Should this filter be applied after any mappings defined in the deployment descriptor (`true`) or before?
        `urlPatterns` - The URL patterns to which this filter should be applied

    - #### getServletNameMappings

          public Collection<String> getServletNameMappings()

      Description copied from interface: `javax.servlet.FilterRegistration`
      Gets the currently available servlet name mappings of the Filter represented by this FilterRegistration.
      Specified by:
        `getServletNameMappings` in interface `FilterRegistration`
      Returns:
        a Collection of the Servlet name mappings

    - #### getUrlPatternMappings

          public Collection<String> getUrlPatternMappings()

      Description copied from interface: `javax.servlet.FilterRegistration`
      Gets the currently available URL pattern mappings of the Filter represented by this FilterRegistration.
      Specified by:
        `getUrlPatternMappings` in interface `FilterRegistration`
      Returns:
        a Collection of the URL pattern mappings

    - #### getClassName

          public String getClassName()

      Specified by:
        `getClassName` in interface `Registration`

    - #### getInitParameter

          public String getInitParameter(String name)

      Description copied from interface: `javax.servlet.Registration`
      Get the value of an initialisation parameter.
      Specified by:
        `getInitParameter` in interface `Registration`
      Parameters:
        `name` - The initialisation parameter whose value is required
      Returns:
        The value of the named initialisation parameter

    - #### getInitParameters

          public Map<String,String> getInitParameters()

      Description copied from interface: `javax.servlet.Registration`
      Get the names and values of all the initialisation parameters.
      Specified by:
        `getInitParameters` in interface `Registration`
      Returns:
        A Map of initialisation parameter names and associated values keyed by name

    - #### getName

          public String getName()

      Specified by:
        `getName` in interface `Registration`

    - #### setInitParameter

          public boolean setInitParameter(String name,
                                 String value)

      Description copied from interface: `javax.servlet.Registration`
      Add an initialisation parameter if not already added.
      Specified by:
        `setInitParameter` in interface `Registration`
      Parameters:
        `name` - Name of initialisation parameter
        `value` - Value of initialisation parameter
      Returns:
        `true` if the initialisation parameter was set, `false` if the initialisation parameter was not set because an initialisation parameter of the same name already existed

    - #### setInitParameters

          public Set<String> setInitParameters(Map<String,String> initParameters)

      Description copied from interface: `javax.servlet.Registration`
      Add multiple initialisation parameters. If any of the supplied initialisation parameter conflicts with an existing initialisation parameter, no updates will be performed.
      Specified by:
        `setInitParameters` in interface `Registration`
      Parameters:
        `initParameters` - The initialisation parameters to add
      Returns:
        The set of initialisation parameter names that conflicted with existing initialisation parameter. If there are no conflicts, this Set will be empty.

    - #### setAsyncSupported

          public void setAsyncSupported(boolean asyncSupported)

      Description copied from interface: `javax.servlet.Registration.Dynamic`
      Mark this Servlet/Filter as supported asynchronous processing.
      Specified by:
        `setAsyncSupported` in interface `Registration.Dynamic`
      Parameters:
        `asyncSupported` - Should this Servlet/Filter support asynchronous processing

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