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## org.apache.struts.actions
Class SwitchAction

    java.lang.Object
      org.apache.struts.action.Action
          org.apache.struts.actions.BaseAction
              org.apache.struts.actions.SwitchAction

    public class SwitchAction

extends BaseAction

A standard Action that switches to a new module and then forwards control to a URI (specified in a number of possible ways) within the new module.

Valid request parameters for this Action are:

- page - Module-relative URI (beginning with "/") to which control should be forwarded after switching.
- prefix - The module prefix (beginning with "/") of the module to which control should be switched. Use a zero-length string for the default module. The appropriate `ModuleConfig` object will be stored as a request attribute, so any subsequent logic will assume the new module.

Since:
  Struts 1.1
Version:
  $Rev: 471754 $ $Date: 2005-05-14 21:27:02 -0400 (Sat, 14 May 2005) $

Field Summary
`protected static Log` | `log` Commons Logging instance.

Fields inherited from class org.apache.struts.actions.BaseAction
`messages`

Fields inherited from class org.apache.struts.action.Action
`servlet`

Constructor Summary
`SwitchAction()`

Method Summary
`ActionForward` | `execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)` Process the specified HTTP request, and create the corresponding HTTP response (or forward to another web component that will create it).

Methods inherited from class org.apache.struts.action.Action
`addErrors, addMessages, execute, generateToken, getErrors, getLocale, getMessages, getResources, getResources, getServlet, isCancelled, isTokenValid, isTokenValid, resetToken, saveErrors, saveErrors, saveMessages, saveMessages, saveToken, setLocale, setServlet`

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

Field Detail

### log

    protected static Log log

  Commons Logging instance.

Constructor Detail

### SwitchAction

    public SwitchAction()

Method Detail

### execute

    public ActionForward execute(ActionMapping mapping,
                                 ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response)
                          throws Exception

  Process the specified HTTP request, and create the corresponding HTTP response (or forward to another web component that will create it). Return an `ActionForward` instance describing where and how control should be forwarded, or `null` if the response has already been completed.

  Overrides:
    `execute` in class `Action`
  Parameters:
    `mapping` - The ActionMapping used to select this instance
    `form` - The optional ActionForm bean for this request (if any)
    `request` - The HTTP request we are processing
    `response` - The HTTP response we are creating
  Returns:
    Return an `ActionForward` instance describing where and how control should be forwarded, or `null` if the response has already been completed.
  Throws:
    `Exception` - if an exception occurs

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