com.interface21.web.servlet.mvc
Class WebContentGenerator

java.lang.Object
  |
  +--com.interface21.context.support.ApplicationObjectSupport
        |
        +--com.interface21.web.servlet.mvc.WebContentGenerator

All Implemented Interfaces:

ApplicationContextAware

Direct Known Subclasses:

AbstractController, MultiActionController

public class WebContentGenerator

extends ApplicationObjectSupport

Convenient superclass for any kind of web content generator, like AbstractController and MultiActionController. Supports HTTP cache control options.

Author:

Rod Johnson

Fields inherited from class com.interface21.context.support.ApplicationObjectSupport

logger

Constructor Summary

WebContentGenerator()

Method Summary

protected void	cacheForSeconds(javax.servlet.http.HttpServletResponse response, int seconds, boolean mustRevalidate) Set HTTP headers to allow caching for the given number of seconds.
protected void	preventCaching(javax.servlet.http.HttpServletResponse response) Prevent the response being cached.
void	setUseExpiresHeader(boolean useExpiresHeader)

Methods inherited from class com.interface21.context.support.ApplicationObjectSupport

getApplicationContext, initApplicationContext, setApplicationContext

Methods inherited from class java.lang.Object

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

Constructor Detail

WebContentGenerator

public WebContentGenerator()

Method Detail

setUseExpiresHeader

public final void setUseExpiresHeader(boolean useExpiresHeader)

preventCaching

protected final void preventCaching(javax.servlet.http.HttpServletResponse response)

Prevent the response being cached. See www.mnot.net.cache docs.

cacheForSeconds

protected final void cacheForSeconds(javax.servlet.http.HttpServletResponse response,
                                     int seconds,
                                     boolean mustRevalidate)

Set HTTP headers to allow caching for the given number of seconds.

Parameters:

response - HTTP response

seconds - number of seconds into the future that the response should be cacheable for