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## org.springframework.web.portlet.mvc
Class AbstractCommandController

    java.lang.Object
      org.springframework.context.support.ApplicationObjectSupport
          org.springframework.web.portlet.context.PortletApplicationObjectSupport
              org.springframework.web.portlet.handler.PortletContentGenerator
                  org.springframework.web.portlet.mvc.AbstractController
                      org.springframework.web.portlet.mvc.BaseCommandController
                          org.springframework.web.portlet.mvc.AbstractCommandController

All Implemented Interfaces:
  Aware, ApplicationContextAware, PortletContextAware, Controller

Deprecated. as of Spring 3.0, in favor of annotated controllers

    @Deprecated
    public abstract class AbstractCommandController

extends BaseCommandController

Abstract base class for custom command controllers. Autopopulates a command bean from the request. For command validation, a validator (property inherited from BaseCommandController) can be used.

This command controller should preferrable not be used to handle form submission, because functionality for forms is more offered in more detail by the `AbstractFormController` and its corresponding implementations.

Exposed configuration properties (and those defined by superclass):
none (so only those available in superclass).

Workflow (and that defined by superclass):

Since:
  2.0
Author:
  John A. Lewis, Juergen Hoeller
See Also:
  `BaseCommandController.setCommandClass(java.lang.Class)`, `BaseCommandController.setCommandName(java.lang.String)`, `BaseCommandController.setValidator(org.springframework.validation.Validator)`

Field Summary

Fields inherited from class org.springframework.web.portlet.mvc.BaseCommandController
`DEFAULT_COMMAND_NAME`

Fields inherited from class org.springframework.context.support.ApplicationObjectSupport
`logger`

Constructor Summary
`AbstractCommandController()` Deprecated. Create a new AbstractCommandController.
`AbstractCommandController(java.lang.Class commandClass)` Deprecated. Create a new AbstractCommandController.
`AbstractCommandController(java.lang.Class commandClass, java.lang.String commandName)` Deprecated. Create a new AbstractCommandController.

Method Summary
`protected java.lang.String` | `getCommandInSessionParameterName()` Deprecated. Return the name of the render parameter that indicates there is a valid command (and errors) object in the session.
`protected abstract void` | `handleAction(javax.portlet.ActionRequest request, javax.portlet.ActionResponse response, java.lang.Object command, BindException errors)` Deprecated. Template method for request handling, providing a populated and validated instance of the command class, and an Errors object containing binding and validation errors.
`protected void` | `handleActionRequestInternal(javax.portlet.ActionRequest request, javax.portlet.ActionResponse response)` Deprecated. Subclasses are meant to override this method if the controller is expected to handle action requests.
`protected abstract ModelAndView` | `handleRender(javax.portlet.RenderRequest request, javax.portlet.RenderResponse response, java.lang.Object command, BindException errors)` Deprecated. Template method for render request handling, providing a populated and validated instance of the command class, and an Errors object containing binding and validation errors.
`protected ModelAndView` | `handleRenderRequestInternal(javax.portlet.RenderRequest request, javax.portlet.RenderResponse response)` Deprecated. Subclasses are meant to override this method if the controller is expected to handle render requests.
`protected boolean` | `isCommandInSession(javax.portlet.RenderRequest request)` Deprecated. Determine if there is a valid command (and errors) object in the session for this render request.
`protected void` | `setCommandInSession(javax.portlet.ActionResponse response)` Deprecated. Set the action response parameter that indicates there is a command (and errors) object in the session for the render phase.

Methods inherited from class org.springframework.web.portlet.mvc.BaseCommandController
`bindAndValidate, checkCommand, createBinder, createCommand, getBindingErrorProcessor, getCommand, getCommandClass, getCommandName, getMessageCodesResolver, getPropertyEditorRegistrars, getRenderCommand, getRenderCommandSessionAttributeName, getRenderErrors, getRenderErrorsSessionAttributeName, getValidator, getValidators, getWebBindingInitializer, initApplicationContext, initBinder, isValidateOnBinding, onBind, onBind, onBindAndValidate, prepareBinder, setBindingErrorProcessor, setCommandClass, setCommandName, setMessageCodesResolver, setPropertyEditorRegistrar, setPropertyEditorRegistrars, setRenderCommandAndErrors, setValidateOnBinding, setValidator, setValidators, setWebBindingInitializer, suppressBinding, suppressValidation, useDirectFieldAccess`

Methods inherited from class org.springframework.web.portlet.mvc.AbstractController
`handleActionRequest, handleRenderRequest, isRenderWhenMinimized, isSynchronizeOnSession, setRenderWhenMinimized, setSynchronizeOnSession`

Methods inherited from class org.springframework.web.portlet.handler.PortletContentGenerator
`applyCacheSeconds, cacheForSeconds, check, checkAndPrepare, checkAndPrepare, getCacheSeconds, isRequireSession, preventCaching, setCacheSeconds, setRequireSession`

Methods inherited from class org.springframework.web.portlet.context.PortletApplicationObjectSupport
`getPortletContext, getTempDir, isContextRequired, setPortletContext`

Methods inherited from class org.springframework.context.support.ApplicationObjectSupport
`getApplicationContext, getMessageSourceAccessor, initApplicationContext, requiredContextClass, setApplicationContext`

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

Constructor Detail

### AbstractCommandController

    public AbstractCommandController()

  Deprecated.
  Create a new AbstractCommandController.

### AbstractCommandController

    public AbstractCommandController(java.lang.Class commandClass)

  Deprecated.
  Create a new AbstractCommandController.

  Parameters:
    `commandClass` - class of the command bean

### AbstractCommandController

    public AbstractCommandController(java.lang.Class commandClass,
                                     java.lang.String commandName)

  Deprecated.
  Create a new AbstractCommandController.

  Parameters:
    `commandClass` - class of the command bean
    `commandName` - name of the command bean

Method Detail

### handleActionRequestInternal

    protected final void handleActionRequestInternal(javax.portlet.ActionRequest request,
                                                     javax.portlet.ActionResponse response)
                                              throws java.lang.Exception

  Deprecated.
  Description copied from class: `AbstractController`
  Subclasses are meant to override this method if the controller is expected to handle action requests. The contract is the same as for `handleActionRequest`.

  The default implementation throws a PortletException.

  Overrides:
    `handleActionRequestInternal` in class `AbstractController`
  Throws:
    `java.lang.Exception`
  See Also:
    `AbstractController.handleActionRequest(javax.portlet.ActionRequest, javax.portlet.ActionResponse)`, `AbstractController.handleRenderRequestInternal(javax.portlet.RenderRequest, javax.portlet.RenderResponse)`

### handleRenderRequestInternal

    protected final ModelAndView handleRenderRequestInternal(javax.portlet.RenderRequest request,
                                                             javax.portlet.RenderResponse response)
                                                      throws java.lang.Exception

  Deprecated.
  Description copied from class: `AbstractController`
  Subclasses are meant to override this method if the controller is expected to handle render requests. The contract is the same as for `handleRenderRequest`.

  The default implementation throws a PortletException.

  Overrides:
    `handleRenderRequestInternal` in class `AbstractController`
  Throws:
    `java.lang.Exception`
  See Also:
    `AbstractController.handleRenderRequest(javax.portlet.RenderRequest, javax.portlet.RenderResponse)`, `AbstractController.handleActionRequestInternal(javax.portlet.ActionRequest, javax.portlet.ActionResponse)`

### handleAction

    protected abstract void handleAction(javax.portlet.ActionRequest request,
                                         javax.portlet.ActionResponse response,
                                         java.lang.Object command,
                                         BindException errors)
                                  throws java.lang.Exception

  Deprecated.
  Template method for request handling, providing a populated and validated instance of the command class, and an Errors object containing binding and validation errors.

  Call `errors.getModel()` to populate the ModelAndView model with the command and the Errors instance, under the specified command name, as expected by the "spring:bind" tag.

  Parameters:
    `request` - current action request
    `response` - current action response
    `command` - the populated command object
    `errors` - validation errors holder
  Throws:
    `java.lang.Exception`
  See Also:
    `Errors`, `BindException.getModel()`

### handleRender

    protected abstract ModelAndView handleRender(javax.portlet.RenderRequest request,
                                                 javax.portlet.RenderResponse response,
                                                 java.lang.Object command,
                                                 BindException errors)
                                          throws java.lang.Exception

  Deprecated.
  Template method for render request handling, providing a populated and validated instance of the command class, and an Errors object containing binding and validation errors.

  Call `errors.getModel()` to populate the ModelAndView model with the command and the Errors instance, under the specified command name, as expected by the "spring:bind" tag.

  Parameters:
    `request` - current render request
    `response` - current render response
    `command` - the populated command object
    `errors` - validation errors holder
  Returns:
    a ModelAndView to render, or null if handled directly
  Throws:
    `java.lang.Exception`
  See Also:
    `Errors`, `BindException.getModel()`

### getCommandInSessionParameterName

    protected java.lang.String getCommandInSessionParameterName()

  Deprecated.
  Return the name of the render parameter that indicates there is a valid command (and errors) object in the session.

  Returns:
    the name of the render parameter
  See Also:
    `PortletRequest.getParameter(java.lang.String)`

### setCommandInSession

    protected final void setCommandInSession(javax.portlet.ActionResponse response)

  Deprecated.
  Set the action response parameter that indicates there is a command (and errors) object in the session for the render phase.

  Parameters:
    `response` - the current action response
  See Also:
    `getCommandInSessionParameterName()`, `isCommandInSession(javax.portlet.RenderRequest)`

### isCommandInSession

    protected boolean isCommandInSession(javax.portlet.RenderRequest request)

  Deprecated.
  Determine if there is a valid command (and errors) object in the session for this render request.

  Parameters:
    `request` - current render request
  Returns:
    if there is a valid command object in the session
  See Also:
    `getCommandInSessionParameterName()`, `setCommandInSession(javax.portlet.ActionResponse)`

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