ThemeChangeInterceptor (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.servlet.theme
Class ThemeChangeInterceptor

java.lang.Object
  org.springframework.web.servlet.handler.HandlerInterceptorAdapter
      org.springframework.web.servlet.theme.ThemeChangeInterceptor

All Implemented Interfaces:: HandlerInterceptor

public class ThemeChangeInterceptor
extends HandlerInterceptorAdapter
extends HandlerInterceptorAdapter

Interceptor that allows for changing the current theme on every request, via a configurable request parameter.

Since:: 20.06.2003
Author:: Juergen Hoeller
See Also:: ThemeResolver

Field Summary

static String DEFAULT_PARAM_NAME
          Default name of the theme specification parameter: "theme".

Constructor Summary

ThemeChangeInterceptor()


Method Summary

boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
          This implementation always returns true.

void setParamName(String paramName)
          Set the name of the parameter that contains a theme specification in a theme change request.

Methods inherited from class org.springframework.web.servlet.handler.HandlerInterceptorAdapter

afterCompletion, postHandle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Summary
`static String`	`DEFAULT_PARAM_NAME` Default name of the theme specification parameter: "theme".

Constructor Summary
`ThemeChangeInterceptor()`

Method Summary
`boolean`	`preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)` This implementation always returns `true`.
`void`	`setParamName(String paramName)` Set the name of the parameter that contains a theme specification in a theme change request.

Methods inherited from class org.springframework.web.servlet.handler.HandlerInterceptorAdapter
`afterCompletion, postHandle`

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

Field Detail

DEFAULT_PARAM_NAME

public static final String DEFAULT_PARAM_NAME

Default name of the theme specification parameter: "theme".

See Also:: Constant Field Values

Constructor Detail

ThemeChangeInterceptor

public ThemeChangeInterceptor()

Method Detail

setParamName

public void setParamName(String paramName)

Set the name of the parameter that contains a theme specification in a theme change request. Default is "theme".

preHandle

public boolean preHandle(HttpServletRequest request,
                         HttpServletResponse response,
                         Object handler)
                  throws ServletException

Description copied from class: HandlerInterceptorAdapter

This implementation always returns true.

Specified by:: preHandle in interface HandlerInterceptor
Overrides:: preHandle in class HandlerInterceptorAdapter

Parameters:: request - current HTTP request; response - current HTTP response; handler - chosen handler to execute, for type and/or instance evaluation
Returns:: true if the execution chain should proceed with the next interceptor or the handler itself. Else, DispatcherServlet assumes that this interceptor has already dealt with the response itself.
Throws:: ServletException