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:

AsyncHandlerInterceptor, HandlerInterceptor

public class ThemeChangeInterceptor
extends HandlerInterceptorAdapter

Interceptor that allows for changing the current theme on every request, via a configurable request parameter (default parameter name: "theme").

Since:

20.06.2003

Author:

Juergen Hoeller

See Also:

ThemeResolver

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	DEFAULT_PARAM_NAME Default name of the theme specification parameter: "theme".
private java.lang.String	paramName

Constructor Summary

Constructors

Constructor and Description
ThemeChangeInterceptor()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getParamName() Return the name of the parameter that contains a theme specification in a theme change request.
boolean	preHandle(HttpServletRequest request, HttpServletResponse response, java.lang.Object handler) This implementation always returns true.
void	setParamName(java.lang.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, afterConcurrentHandlingStarted, 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 java.lang.String DEFAULT_PARAM_NAME

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

See Also:

Constant Field Values

paramName

private java.lang.String paramName

Constructor Detail

ThemeChangeInterceptor

public ThemeChangeInterceptor()

Method Detail

setParamName

public void setParamName(java.lang.String paramName)

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

getParamName

public java.lang.String getParamName()

Return the name of the parameter that contains a theme specification in a theme change request.

preHandle

public boolean preHandle(HttpServletRequest request,
                         HttpServletResponse response,
                         java.lang.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