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## org.codehaus.groovy.grails.web.servlet
Interface GrailsApplicationAttributes

All Superinterfaces:
  ApplicationAttributes

All Known Implementing Classes:
  DefaultGrailsApplicationAttributes

    public interface GrailsApplicationAttributes

extends ApplicationAttributes

An interface defining the names of and methods to retrieve Grails specific request and servlet attributes

Since:
  17-Jan-2006
Author:
  Graeme Rocher

Field Summary
`static String` | `ACTION_NAME_ATTRIBUTE`
`static String` | `CONTENT_FORMAT`
`static String` | `CONTROLLER`
`static String` | `CONTROLLER_NAME_ATTRIBUTE`
`static String` | `ERRORS`
`static String` | `FLASH_SCOPE`
`static String` | `GSP_TEMPLATE_ENGINE`
`static String` | `GSP_TMP_WRITER`
`static String` | `GSP_TO_RENDER`
`static String` | `ID_PARAM`
`static String` | `MODEL_AND_VIEW`
`static String` | `OUT`
`static String` | `PAGE_SCOPE`
`static String` | `PARAMS_OBJECT`
`static String` | `PATH_TO_VIEWS`
`static String` | `REQUEST_FORMATS`
`static String` | `REQUEST_REDIRECTED_ATTRIBUTE`
`static String` | `TAG_CACHE`
`static String` | `WEB_REQUEST`

Fields inherited from interface org.codehaus.groovy.grails.commons.ApplicationAttributes
`APPLICATION_CONTEXT, PARENT_APPLICATION_CONTEXT, PLUGIN_MANAGER, REQUEST_SCOPE_ID`

Method Summary
`String` | `getApplicationUri(ServletRequest request)`
`groovy.lang.GroovyObject` | `getController(ServletRequest request)`
`String` | `getControllerActionUri(ServletRequest request)`
`String` | `getControllerUri(ServletRequest request)`
`Errors` | `getErrors(ServletRequest request)`
`FlashScope` | `getFlashScope(ServletRequest request)` Retrieves the flash scope instance for the given requeste
`Writer` | `getOut(HttpServletRequest request)` Holds the current response write for the request
`GroovyPagesTemplateEngine` | `getPagesTemplateEngine()`
`String` | `getPluginContextPath(HttpServletRequest request)` Retrieves the plugin context path for the current request.
`ServletContext` | `getServletContext()` Retrieves the servlet context instance
`groovy.lang.GroovyObject` | `getTagLibraryForTag(HttpServletRequest request, HttpServletResponse response, String tagName)` Retrieves a Grails tag library from the request for the named tag in the default namespace GroovyPage.DEFAULT_NAMESPACE
`groovy.lang.GroovyObject` | `getTagLibraryForTag(HttpServletRequest request, HttpServletResponse response, String tagName, String namespace)` Retrieves a Grails tag library from the request for the named tag in a given namespace.
`String` | `getTemplateUri(String templateName, ServletRequest request)`
`String` | `getViewUri(String viewName, HttpServletRequest request)` Retrieves the uri of a named view
`void` | `setOut(HttpServletRequest currentRequest, Writer out2)` Sets the current write for the request

Methods inherited from interface org.codehaus.groovy.grails.commons.ApplicationAttributes
`getApplicationContext, getGrailsApplication`

Field Detail

### PATH_TO_VIEWS

    static final String PATH_TO_VIEWS

See Also:
  Constant Field Values

### GSP_TEMPLATE_ENGINE

    static final String GSP_TEMPLATE_ENGINE

See Also:
  Constant Field Values

### CONTENT_FORMAT

    static final String CONTENT_FORMAT

See Also:
  Constant Field Values

### REQUEST_FORMATS

    static final String REQUEST_FORMATS

See Also:
  Constant Field Values

### FLASH_SCOPE

    static final String FLASH_SCOPE

See Also:
  Constant Field Values

### PARAMS_OBJECT

    static final String PARAMS_OBJECT

See Also:
  Constant Field Values

### CONTROLLER

    static final String CONTROLLER

See Also:
  Constant Field Values

### ERRORS

    static final String ERRORS

See Also:
  Constant Field Values

### MODEL_AND_VIEW

    static final String MODEL_AND_VIEW

See Also:
  Constant Field Values

### OUT

    static final String OUT

See Also:
  Constant Field Values

### TAG_CACHE

    static final String TAG_CACHE

See Also:
  Constant Field Values

### ID_PARAM

    static final String ID_PARAM

See Also:
  Constant Field Values

### GSP_TO_RENDER

    static final String GSP_TO_RENDER

See Also:
  Constant Field Values

### WEB_REQUEST

    static final String WEB_REQUEST

See Also:
  Constant Field Values

### PAGE_SCOPE

    static final String PAGE_SCOPE

See Also:
  Constant Field Values

### GSP_TMP_WRITER

    static final String GSP_TMP_WRITER

See Also:
  Constant Field Values

### REQUEST_REDIRECTED_ATTRIBUTE

    static final String REQUEST_REDIRECTED_ATTRIBUTE

See Also:
  Constant Field Values

### ACTION_NAME_ATTRIBUTE

    static final String ACTION_NAME_ATTRIBUTE

See Also:
  Constant Field Values

### CONTROLLER_NAME_ATTRIBUTE

    static final String CONTROLLER_NAME_ATTRIBUTE

See Also:
  Constant Field Values

Method Detail

### getPluginContextPath

    String getPluginContextPath(HttpServletRequest request)

  Retrieves the plugin context path for the current request. The plugin context path is the path used by plugins to reference resources such as javascript, CSS and so forth It is established by evaluating the current controller, if the current controller is plugin provided then it will attempt to evaluate the path based on the plugin the controller came from

  Returns:
    The plugin context path

### getController

    groovy.lang.GroovyObject getController(ServletRequest request)

  Returns:
    The controller for the request

### getControllerUri

    String getControllerUri(ServletRequest request)

  Parameters:
    `request` -
  Returns:
    The uri of the controller within the request

### getApplicationUri

    String getApplicationUri(ServletRequest request)

  Parameters:
    `request` -
  Returns:
    The uri of the application relative to the server root

### getServletContext

    ServletContext getServletContext()

  Retrieves the servlet context instance

  Returns:
    The servlet context instance

### getFlashScope

    FlashScope getFlashScope(ServletRequest request)

  Retrieves the flash scope instance for the given requeste

  Parameters:
    `request` -
  Returns:
    The FlashScope instance

### getTemplateUri

    String getTemplateUri(String templateName,
                          ServletRequest request)

  Parameters:
    `templateName` -
    `request` -
  Returns:
    The uri of a named template for the current controller

### getViewUri

    String getViewUri(String viewName,
                      HttpServletRequest request)

  Retrieves the uri of a named view

  Parameters:
    `viewName` - The name of the view
    `request` - The request instance
  Returns:
    The name of the view

### getControllerActionUri

    String getControllerActionUri(ServletRequest request)

  Parameters:
    `request` -
  Returns:
    The uri of the action called within the controller

### getErrors

    Errors getErrors(ServletRequest request)

  Parameters:
    `request` -
  Returns:
    The errors instance contained within the request

### getPagesTemplateEngine

    GroovyPagesTemplateEngine getPagesTemplateEngine()

  Returns:
    Retrieves the shared GSP template engine

### getTagLibraryForTag

    groovy.lang.GroovyObject getTagLibraryForTag(HttpServletRequest request,
                                                 HttpServletResponse response,
                                                 String tagName)

  Retrieves a Grails tag library from the request for the named tag in the default namespace GroovyPage.DEFAULT_NAMESPACE

  Parameters:
    `request` - the request instance
    `response` - the response instancte
    `tagName` - The name of the tag that contains the tag library
  Returns:
    An instance of the tag library or null if not found

### getTagLibraryForTag

    groovy.lang.GroovyObject getTagLibraryForTag(HttpServletRequest request,
                                                 HttpServletResponse response,
                                                 String tagName,
                                                 String namespace)

  Retrieves a Grails tag library from the request for the named tag in a given namespace.

  Parameters:
    `request` - the request instance
    `response` - the response instancte
    `tagName` - The name of the tag that contains the tag library
    `namespace` - The namespace of the tag
  Returns:
    An instance of the tag library or null if not found

### getOut

    Writer getOut(HttpServletRequest request)

  Holds the current response write for the request

  Returns:
    The held response writer

### setOut

    void setOut(HttpServletRequest currentRequest,
                Writer out2)

  Sets the current write for the request

  Parameters:
    `currentRequest` - The request
    `out2` - The writer

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