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## org.apache.struts.tiles
Class ActionComponentServlet

    java.lang.Object
      |
      +--javax.servlet.GenericServlet
            |
            +--javax.servlet.http.HttpServlet
                  |
                  +--org.apache.struts.action.ActionServlet
                        |
                        +--org.apache.struts.tiles.ActionComponentServlet

All Implemented Interfaces:
  java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Deprecated. Tiles now uses ActionServlet with TilesPlugin and TilesRequestProcessor.

public class ActionComponentServlet
extends ActionServlet

Action Servlet to be used with Tiles and Struts 1.0.x. For Struts 1.1, use TilesPlugin and eventualy TilesRequestProcessor. This servlet extends struts one. It adds channels and screens dispatching capabilities. We overide all methods that do request forward (i.e. 'processActionForward' and 'processValidate') in order to call a new method performing forward. In fact, we copy methods to overide, and change lines doing forward which now call 'processForward()'. Rest of the method is unchanged. This new method could now be overiden in order to dispatch request before forwarding. Compliant to ActionServlet from struts 2001/06/25 00:02:27

See Also:
  Serialized Form

Field Summary
`private DefinitionsFactory` | `definitionsFactory` Deprecated. Definitions factory

Fields inherited from class org.apache.struts.action.ActionServlet
`config, configDigester, convertNull, dataSources, debug, internal, internalName, log, processor, registrations, servletMapping, servletName`

Fields inherited from class javax.servlet.http.HttpServlet
``

Constructor Summary
`ActionComponentServlet()` Deprecated.

Method Summary
`protected void` | `doForward(java.lang.String uri, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. Do a forward, and eventually catch uri containing Tiles definition.
`void` | `init()` Deprecated. Init method.
`void` | `initComponentDefinitionsMapping()` Deprecated. Read component instance mapping configuration file.
`protected void` | `processActionForward(ActionForward forward, ActionMapping mapping, ActionForm formInstance, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. Overload struts1.0 counterpart in order to catch forward calls.
`protected boolean` | `processForward(ActionMapping mapping, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. Overload struts1.0 counterpart in order to catch forward calls.
`protected void` | `processForward(java.lang.String uri, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. use doForward instead
`protected boolean` | `processInclude(ActionMapping mapping, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. Overload struts1.0 counterpart in order to catch include calls.
`protected boolean` | `processValidate(ActionMapping mapping, ActionForm formInstance, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)` Deprecated. Overload struts1.0 counterpart in order to catch forward calls.

Methods inherited from class org.apache.struts.action.ActionServlet
`addServletMapping, destroy, destroyApplications, destroyConfigDigester, destroyDataSources, destroyInternal, destroyModules, doGet, doPost, findDataSource, findFormBean, findForward, findMapping, getApplicationConfig, getDebug, getInternal, getModuleConfig, getRequestProcessor, getResources, initApplicationConfig, initApplicationDataSources, initApplicationMessageResources, initApplicationPlugIns, initConfigDigester, initDataSources, initInternal, initModuleConfig, initModuleDataSources, initModuleMessageResources, initModulePlugIns, initOther, initServlet, log, process`

Methods inherited from class javax.servlet.http.HttpServlet
`doDelete, doOptions, doPut, doTrace, getLastModified, service, service`

Methods inherited from class javax.servlet.GenericServlet
`getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log`

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

Field Detail

### definitionsFactory

    private DefinitionsFactory definitionsFactory

  Deprecated.
  Definitions factory

Constructor Detail

### ActionComponentServlet

    public ActionComponentServlet()

  Deprecated.

Method Detail

### init

    public void init()
              throws javax.servlet.ServletException

  Deprecated.
  Init method. This method is call on any servlet.

  Overrides:
    `init` in class `ActionServlet`
  Throws:
    `javax.servlet.ServletException` - if we cannot configure ourselves correctly

### initComponentDefinitionsMapping

    public void initComponentDefinitionsMapping()
                                         throws javax.servlet.ServletException

  Deprecated.
  Read component instance mapping configuration file. This is where we read files properties.

    `javax.servlet.ServletException`

### processActionForward

    protected void processActionForward(ActionForward forward,
                                        ActionMapping mapping,
                                        ActionForm formInstance,
                                        javax.servlet.http.HttpServletRequest request,
                                        javax.servlet.http.HttpServletResponse response)
                                 throws java.io.IOException,
                                        javax.servlet.ServletException

  Deprecated.
  Overload struts1.0 counterpart in order to catch forward calls. This is an exact copy, except the call to RequestDispatcher.forward() replaced by doForward(). This method is only used with Struts1.0.x Forward to the specified destination, by the specified mechanism, if an `ActionForward` instance was returned by the `Action`.

  Parameters:
    `forward` - The ActionForward returned by our action
    `mapping` - The ActionMapping we are processing
    `formInstance` - The ActionForm we are processing
    `request` - The servlet request we are processing
    `response` - The servlet response we are creating
  Throws:
    `java.io.IOException` - if an input/output error occurs
    `javax.servlet.ServletException` - if a servlet exception occurs

### processValidate

    protected boolean processValidate(ActionMapping mapping,
                                      ActionForm formInstance,
                                      javax.servlet.http.HttpServletRequest request,
                                      javax.servlet.http.HttpServletResponse response)
                               throws java.io.IOException,
                                      javax.servlet.ServletException

  Deprecated.
  Overload struts1.0 counterpart in order to catch forward calls. This is an exact copy, except the call to RequestDispatcher.forward() replaced by doForward(). This method is only used with Struts1.0.x Call the `validate()` method of the specified ActionForm, and forward back to the input form if there are any errors. Return `true` if we should continue processing (and call the `Action` class `perform()` method), or return `false` if we have already forwarded control back to the input form.

  Parameters:
    `mapping` - The ActionMapping we are processing
    `formInstance` - The ActionForm we are processing
    `request` - The servlet request we are processing
    `response` - The servlet response we are processing
  Throws:
    `java.io.IOException` - if an input/output error occurs
    `javax.servlet.ServletException` - if a servlet exception occurs

### processForward

    protected boolean processForward(ActionMapping mapping,
                                     javax.servlet.http.HttpServletRequest request,
                                     javax.servlet.http.HttpServletResponse response)
                              throws java.io.IOException,
                                     javax.servlet.ServletException

  Deprecated.
  Overload struts1.0 counterpart in order to catch forward calls. This is an exact copy, except the call to RequestDispatcher.forward() replaced by doForward(). This method is only used with Struts1.0.x Process a forward requested by this mapping, if any. Return `true` if processing of this request should continue (i.e. be processed by an Action class), or `false` if we have already handled this request.

  Parameters:
    `mapping` - The ActionMapping we are processing
    `request` - The request we are processing
    `response` - The response we are processing
  Throws:
    `java.io.IOException` - if the included resource throws an exception
    `javax.servlet.ServletException` - if the included resource throws an exception

### processInclude

    protected boolean processInclude(ActionMapping mapping,
                                     javax.servlet.http.HttpServletRequest request,
                                     javax.servlet.http.HttpServletResponse response)
                              throws java.io.IOException,
                                     javax.servlet.ServletException

  Deprecated.
  Overload struts1.0 counterpart in order to catch include calls. This is an exact copy, except the call to RequestDispatcher.include() replaced by doInclude(). This method is only used with Struts1.0.x Process an include requested by this mapping, if any. Return `true` if processing of this request should continue (i.e. be processed by an Action class), or `false` if we have already handled this request.

  Parameters:
    `mapping` - The ActionMapping we are processing
    `request` - The request we are processing
    `response` - The response we are processing
  Throws:
    `java.io.IOException` - if the included resource throws an exception
    `javax.servlet.ServletException` - if the included resource throws an exception

### processForward

    protected void processForward(java.lang.String uri,
                                  javax.servlet.http.HttpServletRequest request,
                                  javax.servlet.http.HttpServletResponse response)
                           throws java.io.IOException,
                                  javax.servlet.ServletException

  Deprecated. use doForward instead

  Do forward, and eventually catch uri containing Tiles definition. Method left for compatibility reasons.

  Parameters:
    `uri` - Uri or Definition name to forward
    `request` - Current page request
    `response` - Current page response
    `java.io.IOException`
    `javax.servlet.ServletException`

### doForward

    protected void doForward(java.lang.String uri,
                             javax.servlet.http.HttpServletRequest request,
                             javax.servlet.http.HttpServletResponse response)
                      throws java.io.IOException,
                             javax.servlet.ServletException

  Deprecated.
  Do a forward, and eventually catch uri containing Tiles definition. If uri is a valid uri, do a forward to it. If uri is a valid definition name, Tiles context is created from definition, and definition path is used as uri.

  Parameters:
    `uri` - Uri or Definition name to forward
    `request` - Current page request
    `response` - Current page response
    `java.io.IOException`
    `javax.servlet.ServletException`

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