org.w3c.jigsaw.filters
Class NoCacheFilter

java.lang.Object
  |
  +--org.w3c.tools.resources.AttributeHolder
        |
        +--org.w3c.tools.resources.Resource
              |
              +--org.w3c.tools.resources.FramedResource
                    |
                    +--org.w3c.tools.resources.ResourceFrame
                          |
                          +--org.w3c.tools.resources.ResourceFilter
                                |
                                +--org.w3c.jigsaw.filters.NoCacheFilter

public class NoCacheFilter
extends ResourceFilter

Transform a Pragma: no-cache into a Cache-Control: max-age=0 It is just here to fix some client brokenness.


Fields inherited from class org.w3c.tools.resources.ResourceFrame
filterClass, frameListener, resource
 
Fields inherited from class org.w3c.tools.resources.FramedResource
ATTR_OID, attrListener, debugEvent, event_disabled, framesRef, structListener
 
Fields inherited from class org.w3c.tools.resources.Resource
ATTR_CONTEXT, ATTR_HELP_URL, ATTR_IDENTIFIER, ATTR_LAST_MODIFIED, ATTR_PARENT, ATTR_RESOURCE_FRAMES, ATTR_STORE_ENTRY, ATTR_URL
 
Fields inherited from class org.w3c.tools.resources.AttributeHolder
attributes, values
 
Constructor Summary
NoCacheFilter()
           
 
Method Summary
 ReplyInterface ingoingFilter(RequestInterface request)
          Modify the request to transform a Pragma: no-cache into a Cache-Control: max-age=0
 ReplyInterface outgoingFilter(RequestInterface req, ReplyInterface rep)
          The outgoing filter decorates the reply appropriately.
 
Methods inherited from class org.w3c.tools.resources.ResourceFilter
exceptionFilter, getTargetResource, ingoingFilter, lookup, outgoingFilter, outputFilter
 
Methods inherited from class org.w3c.tools.resources.ResourceFrame
addFrameEventListener, attributeChanged, checkRequest, eventDisabled, fireFrameEvent, frameModified, getFilters, getFilters, getFrameReference, getResource, getResourceReference, getSpaceEntry, getURLPath, lookupFilters, lookupFrames, perform, postFrameEvent, processEvent, registerResource, removeFrameEventListener, setValue, unregisterResource, updateDefaultChildAttributes
 
Methods inherited from class org.w3c.tools.resources.FramedResource
addAttributeChangedListener, addStructureChangedListener, collectFramesReference, delete, disableEvent, displayEvent, enableEvent, fireAttributeChangeEvent, fireStructureChangedEvent, fireStructureChangedEvent, frameAdded, frameRemoved, getClone, getFrame, getFrame, getFrameReference, getFrameReference, getFramesReference, getOid, initialize, markModified, notifyUnload, performFrames, postAttributeChangeEvent, postEvent, postStructureChangedEvent, postStructureChangedEvent, registerFrame, registerFrameIfNone, removeAttributeChangedListener, removeStructureChangedListener, setSilentValue, setSilentValue, unregisterFrame
 
Methods inherited from class org.w3c.tools.resources.Resource
acceptUnload, checkMultipleLock, collectFrames, getContext, getFrame, getFrames, getHelpURL, getHelpURL, getIdentifier, getLastModified, getParent, getServer, getSpace, getStoreEntry, getValue, getValue, isInitialized, isUnloaded, setContext, setContext, setValue, updateAttributes
 
Methods inherited from class org.w3c.tools.resources.AttributeHolder
definesAttribute, definesAttribute, getAttributes, getBoolean, getChar, getClone, getClone, getDouble, getFloat, getInt, getLong, getString, getValue, initialize, lookupAttribute, pickleValues, print, setBoolean, setChar, setDouble, setFloat, setInt, setLong, setString, setValue, unsafeGetValue
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NoCacheFilter

public NoCacheFilter()
Method Detail

ingoingFilter

public ReplyInterface ingoingFilter(RequestInterface request)
                             throws ProtocolException
Modify the request to transform a Pragma: no-cache into a Cache-Control: max-age=0
Overrides:
ingoingFilter in class ResourceFilter
Returns:
A Reply instance, if the filter did know how to answer the request without further processing, null otherwise.
Throws:
ProtocolException - If processing should be interrupted, because an abnormal situation occured.

outgoingFilter

public ReplyInterface outgoingFilter(RequestInterface req,
                                     ReplyInterface rep)
                              throws ProtocolException
The outgoing filter decorates the reply appropriately.
Overrides:
outgoingFilter in class ResourceFilter
Parameters:
request - The original request.
reply - The originial reply.
Returns:
Always null.
Throws:
ProtocolException - If processing should be interrupted, because an abnormal situation occured.