org.trellisldp.http

Class CacheControlFilter

java.lang.Object

org.trellisldp.http.CacheControlFilter

All Implemented Interfaces:

ContainerResponseFilter

@Provider
public class CacheControlFilter
extends Object
implements ContainerResponseFilter

A ContainerResponseFilter that adds Cache-Control headers to all GET responses.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONFIG_HTTP_CACHE_MAX_AGE The configuration key for setting a cache-control max-age header.
static String	CONFIG_HTTP_CACHE_NOCACHE The configuration key for setting a cache-control no-cache header.
static String	CONFIG_HTTP_CACHE_REVALIDATE The configuration key for setting a cache-control must-revalidate header.

Constructor Summary

Constructors

Constructor and Description
CacheControlFilter() Create a new CacheControl Decorator.
CacheControlFilter(int cacheAge, boolean revalidate, boolean noCache) Create a new CacheControl Decorator.

Method Summary

Modifier and Type	Method and Description
void	filter(ContainerRequestContext req, ContainerResponseContext res)

Methods inherited from class java.lang.Object

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

Field Detail

CONFIG_HTTP_CACHE_MAX_AGE

public static final String CONFIG_HTTP_CACHE_MAX_AGE

The configuration key for setting a cache-control max-age header.

See Also:

Constant Field Values

CONFIG_HTTP_CACHE_REVALIDATE

public static final String CONFIG_HTTP_CACHE_REVALIDATE

The configuration key for setting a cache-control must-revalidate header.

See Also:

Constant Field Values

CONFIG_HTTP_CACHE_NOCACHE

public static final String CONFIG_HTTP_CACHE_NOCACHE

The configuration key for setting a cache-control no-cache header.

See Also:

Constant Field Values

Constructor Detail

CacheControlFilter

@Inject
public CacheControlFilter()

Create a new CacheControl Decorator.

CacheControlFilter

public CacheControlFilter(int cacheAge,
                          boolean revalidate,
                          boolean noCache)

Create a new CacheControl Decorator.

Parameters:

cacheAge - the length of time to cache resources

revalidate - whether the cache must verify the status of stale resources

noCache - whether to set the no-cache value

Method Detail

filter

public void filter(ContainerRequestContext req,
                   ContainerResponseContext res)

Specified by:

filter in interface ContainerResponseFilter