rabbit.handler
Class FilterHandler

java.lang.Object
  extended by rabbit.handler.BaseHandler
      extended by rabbit.handler.GZIPHandler
          extended by rabbit.handler.FilterHandler
All Implemented Interfaces:
Handler, HandlerFactory, Logger

public class FilterHandler
extends GZIPHandler

This class is used to filter html pages.


Field Summary
 
Fields inherited from class rabbit.handler.BaseHandler
cacheStream, clientstream, con, contentstream, entry, maycache, mayfilter, request, response, size
 
Fields inherited from interface rabbit.util.Logger
ALL, DEBUG, ERROR, FATAL, INFO, MSG, WARN
 
Constructor Summary
FilterHandler()
           
FilterHandler(Connection con, HTTPHeader request, HTTPHeader response, HTTPInputStream contentstream, MultiOutputStream clientstream, boolean maycache, boolean mayfilter, long size)
          Create a new FilterHandler for the given request.
 
Method Summary
 Handler getNewInstance(Connection connection, HTTPHeader header, HTTPHeader webheader, HTTPInputStream contentStream, MultiOutputStream out, boolean maycache, boolean mayfilter, long size)
          Get a new Handler for the given request made.
protected  java.util.List<HTMLFilter> initFilters()
          Initialize the filter we are using.
 void send()
          Send the actual data (read data, filter data, send data).
 void setup(Logger logger, SProperties prop)
          Setup this class.
 
Methods inherited from class rabbit.handler.GZIPHandler
clientStreamHasCache, finishStream, prepareStream
 
Methods inherited from class rabbit.handler.BaseHandler
addCacheStream, finish, getFactory, handle, logError, logError, mayCacheFromSize, mayRestrictCacheSize, removeCache, setPartialContent, writeData, writeHeader
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FilterHandler

public FilterHandler()

FilterHandler

public FilterHandler(Connection con,
                     HTTPHeader request,
                     HTTPHeader response,
                     HTTPInputStream contentstream,
                     MultiOutputStream clientstream,
                     boolean maycache,
                     boolean mayfilter,
                     long size)
Create a new FilterHandler for the given request.

Parameters:
con - the Connection handling the request.
request - the actual request made.
response - the actual response.
contentstream - the stream to read data from.
clientstream - the stream to write data to.
maycache - May we cache this request?
mayfilter - May we filter this request?
size - the size of the data beeing handled.
Method Detail

getNewInstance

public Handler getNewInstance(Connection connection,
                              HTTPHeader header,
                              HTTPHeader webheader,
                              HTTPInputStream contentStream,
                              MultiOutputStream out,
                              boolean maycache,
                              boolean mayfilter,
                              long size)
Description copied from interface: HandlerFactory
Get a new Handler for the given request made.

Specified by:
getNewInstance in interface HandlerFactory
Overrides:
getNewInstance in class GZIPHandler
Parameters:
connection - the Connection handling the request.
header - the request.
webheader - the response.
contentStream - the data to read.
out - the client (and possibly the cache).
maycache - if the handler may cache the response.
mayfilter - if the handler may filter the response.
size - the Size of the data beeing handled (-1 = unknown length).

send

public void send()
          throws java.io.IOException
Send the actual data (read data, filter data, send data).

Overrides:
send in class BaseHandler
Throws:
java.io.IOException - if reading or writing of the data fails.

setup

public void setup(Logger logger,
                  SProperties prop)
Setup this class.

Specified by:
setup in interface HandlerFactory
Overrides:
setup in class GZIPHandler
Parameters:
prop - the properties of this class.

initFilters

protected java.util.List<HTMLFilter> initFilters()
Initialize the filter we are using.

Returns:
a List of HTMLFilters.