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## org.springframework.web.servlet.theme
Class CookieThemeResolver

    java.lang.Object
      org.springframework.web.util.CookieGenerator
          org.springframework.web.servlet.theme.CookieThemeResolver

All Implemented Interfaces:
  ThemeResolver

    public class CookieThemeResolver

extends CookieGenerator
implements ThemeResolver

Implementation of ThemeResolver that uses a cookie sent back to the user in case of a custom setting, with a fallback to the default theme. This is particularly useful for stateless applications without user sessions.

Custom controllers can thus override the user's theme by calling `setThemeName`, e.g. responding to a certain theme change request.

Since:
  17.06.2003
Author:
  Jean-Pierre Pawlak, Juergen Hoeller
See Also:
  `setThemeName(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, java.lang.String)`

Field Summary
`static String` | `DEFAULT_COOKIE_NAME`
`static String` | `ORIGINAL_DEFAULT_THEME_NAME`
`static String` | `THEME_REQUEST_ATTRIBUTE_NAME` Name of the request attribute that holds the theme name.

Fields inherited from class org.springframework.web.util.CookieGenerator
`DEFAULT_COOKIE_MAX_AGE, DEFAULT_COOKIE_PATH, logger`

Constructor Summary
`CookieThemeResolver()`

Method Summary
`String` | `getDefaultThemeName()` Return the name of the default theme.
`String` | `resolveThemeName(HttpServletRequest request)` Resolve the current theme name via the given request.
`void` | `setDefaultThemeName(String defaultThemeName)` Set the name of the default theme.
`void` | `setThemeName(HttpServletRequest request, HttpServletResponse response, String themeName)` Set the current theme name to the given one.

Methods inherited from class org.springframework.web.util.CookieGenerator
`addCookie, createCookie, getCookieDomain, getCookieMaxAge, getCookieName, getCookiePath, isCookieSecure, removeCookie, setCookieDomain, setCookieMaxAge, setCookieName, setCookiePath, setCookieSecure`

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

Field Detail

### ORIGINAL_DEFAULT_THEME_NAME

    public static final String ORIGINAL_DEFAULT_THEME_NAME

See Also:
  Constant Field Values

### THEME_REQUEST_ATTRIBUTE_NAME

    public static final String THEME_REQUEST_ATTRIBUTE_NAME

  Name of the request attribute that holds the theme name. Only used for overriding a cookie value if the theme has been changed in the course of the current request! Use RequestContext.getTheme() to retrieve the current theme in controllers or views.

  See Also:
    `RequestContext.getTheme()`

### DEFAULT_COOKIE_NAME

    public static final String DEFAULT_COOKIE_NAME

Constructor Detail

### CookieThemeResolver

    public CookieThemeResolver()

Method Detail

### setDefaultThemeName

    public void setDefaultThemeName(String defaultThemeName)

  Set the name of the default theme.

### getDefaultThemeName

    public String getDefaultThemeName()

  Return the name of the default theme.

### resolveThemeName

    public String resolveThemeName(HttpServletRequest request)

  Description copied from interface: `ThemeResolver`
  Resolve the current theme name via the given request. Should return a default theme as fallback in any case.

  Specified by:
    `resolveThemeName` in interface `ThemeResolver`
  Parameters:
    `request` - request to be used for resolution
  Returns:
    the current theme name

### setThemeName

    public void setThemeName(HttpServletRequest request,
                             HttpServletResponse response,
                             String themeName)

  Description copied from interface: `ThemeResolver`
  Set the current theme name to the given one.

  Specified by:
    `setThemeName` in interface `ThemeResolver`
  Parameters:
    `request` - request to be used for theme name modification
    `response` - response to be used for theme name modification
    `themeName` - the new theme name

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