com.xucia.resourceaccelerate
Class CacheHeadersFilter
java.lang.Object
com.xucia.resourceaccelerate.CacheHeadersFilter
- All Implemented Interfaces:
- javax.servlet.Filter
- Direct Known Subclasses:
- CompressAndCacheHeadersFilter
public class CacheHeadersFilter
- extends java.lang.Object
- implements javax.servlet.Filter
- Author:
- Kris Zyp
This filter adds a caching headers to the response, so that the browser does not
need to continually request a resource over and over.
Method Summary |
void |
destroy()
|
void |
doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)
|
void |
init(javax.servlet.FilterConfig config)
Read the configuration parameters |
void |
setCacheHeader(javax.servlet.http.HttpServletResponse response)
Sets the caching header directives (if enabled) on the given response |
static void |
setCacheHeader(javax.servlet.http.HttpServletResponse response,
long expirationTime)
Sets the caching header directives on the given response with the given expiration |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CacheHeadersFilter
public CacheHeadersFilter()
destroy
public void destroy()
- Specified by:
destroy
in interface javax.servlet.Filter
doFilter
public void doFilter(javax.servlet.ServletRequest request,
javax.servlet.ServletResponse response,
javax.servlet.FilterChain chain)
throws java.io.IOException,
javax.servlet.ServletException
- Specified by:
doFilter
in interface javax.servlet.Filter
- Throws:
java.io.IOException
javax.servlet.ServletException
setCacheHeader
public void setCacheHeader(javax.servlet.http.HttpServletResponse response)
- Sets the caching header directives (if enabled) on the given response
- Parameters:
response
-
setCacheHeader
public static void setCacheHeader(javax.servlet.http.HttpServletResponse response,
long expirationTime)
- Sets the caching header directives on the given response with the given expiration
- Parameters:
response
- expirationTime
-
init
public void init(javax.servlet.FilterConfig config)
throws javax.servlet.ServletException
- Read the configuration parameters
- Specified by:
init
in interface javax.servlet.Filter
- Throws:
javax.servlet.ServletException