org.apache.struts2.dispatcher.filter

## Class StrutsPrepareAndExecuteFilter

- java.lang.Object
- - org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter

- All Implemented Interfaces:
    javax.servlet.Filter, StrutsStatics

      public class StrutsPrepareAndExecuteFilter
      extends Object
      implements StrutsStatics, javax.servlet.Filter

  Handles both the preparation and execution phases of the Struts dispatching process. This filter is better to use when you don't have another filter that needs access to action context information, such as Sitemesh.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected List<Pattern>` | `excludedPatterns`
    `protected ExecuteOperations` | `execute`
    `protected PrepareOperations` | `prepare`

    - ### Fields inherited from interface org.apache.struts2.StrutsStatics

      `HTTP_REQUEST, HTTP_RESPONSE, PAGE_CONTEXT, SERVLET_CONTEXT, SERVLET_DISPATCHER, STRUTS_ACTION_TAG_INVOCATION, STRUTS_PORTLET_CONTEXT`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `StrutsPrepareAndExecuteFilter()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected ExecuteOperations` | `createExecuteOperations(Dispatcher dispatcher)` Creates a new instance of `ExecuteOperations` to be used during initialising `Dispatcher`
    `protected InitOperations` | `createInitOperations()` Creates a new instance of `InitOperations` to be used during initialising `Dispatcher`
    `protected PrepareOperations` | `createPrepareOperations(Dispatcher dispatcher)` Creates a new instance of `PrepareOperations` to be used during initialising `Dispatcher`
    `void` | `destroy()`
    `void` | `doFilter(javax.servlet.ServletRequest req, javax.servlet.ServletResponse res, javax.servlet.FilterChain chain)`
    `void` | `init(javax.servlet.FilterConfig filterConfig)`
    `protected void` | `postInit(Dispatcher dispatcher, javax.servlet.FilterConfig filterConfig)` Callback for post initialization

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

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

- - ### Field Detail

    - #### prepare

          protected PrepareOperations prepare

    - #### execute

          protected ExecuteOperations execute

    - #### excludedPatterns

          protected List<Pattern> excludedPatterns

  - ### Constructor Detail

    - #### StrutsPrepareAndExecuteFilter

          public StrutsPrepareAndExecuteFilter()

  - ### Method Detail

    - #### init

          public void init(javax.servlet.FilterConfig filterConfig)
                    throws javax.servlet.ServletException

      Specified by:
        `init` in interface `javax.servlet.Filter`
      Throws:
        `javax.servlet.ServletException`

    - #### createInitOperations

          protected InitOperations createInitOperations()

      Creates a new instance of `InitOperations` to be used during initialising `Dispatcher`
      Returns:
        instance of `InitOperations`

    - #### createPrepareOperations

          protected PrepareOperations createPrepareOperations(Dispatcher dispatcher)

      Creates a new instance of `PrepareOperations` to be used during initialising `Dispatcher`
      Returns:
        instance of `PrepareOperations`

    - #### createExecuteOperations

          protected ExecuteOperations createExecuteOperations(Dispatcher dispatcher)

      Creates a new instance of `ExecuteOperations` to be used during initialising `Dispatcher`
      Returns:
        instance of `ExecuteOperations`

    - #### postInit

          protected void postInit(Dispatcher dispatcher,
                      javax.servlet.FilterConfig filterConfig)

      Callback for post initialization
      Parameters:
        `dispatcher` - the dispatcher
        `filterConfig` - the filter config

    - #### doFilter

          public void doFilter(javax.servlet.ServletRequest req,
                      javax.servlet.ServletResponse res,
                      javax.servlet.FilterChain chain)
                        throws IOException,
                               javax.servlet.ServletException

      Specified by:
        `doFilter` in interface `javax.servlet.Filter`
      Throws:
        `IOException`
        `javax.servlet.ServletException`

    - #### destroy

          public void destroy()

      Specified by:
        `destroy` in interface `javax.servlet.Filter`

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