rabbit.filter
Class AdFilter

java.lang.Object
  rabbit.filter.HtmlFilter
      rabbit.filter.AdFilter

All Implemented Interfaces:

HtmlFilterFactory

public class AdFilter
extends HtmlFilter

This class switches advertising images into another image.

Author:

Robert Olofsson

Field Summary

Fields inherited from class rabbit.filter.HtmlFilter

con, request, response

Constructor Summary

AdFilter()
Create a new AdFilter factory

AdFilter(Connection con, HttpHeader request, HttpHeader response)
Create a new AdFilter for the given request, response pair.

Method Summary

void	filterHtml(HtmlBlock block) Removes advertising from the given block.
boolean	isEvil(java.lang.String str) Check if a string is evil (that is its probably advertising).
HtmlFilter	newFilter(Connection con, HttpHeader request, HttpHeader response) Get a new HtmlFilter for the given request, response pair.

Methods inherited from class rabbit.filter.HtmlFilter

isCacheable

Methods inherited from class java.lang.Object

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

Constructor Detail

AdFilter

public AdFilter()

Create a new AdFilter factory

AdFilter

public AdFilter(Connection con,
                HttpHeader request,
                HttpHeader response)

Create a new AdFilter for the given request, response pair.

Parameters:

con - the Connection handling the request

request - the actual request made.

response - the actual response being sent.

Method Detail

newFilter

public HtmlFilter newFilter(Connection con,
                            HttpHeader request,
                            HttpHeader response)

Description copied from interface: HtmlFilterFactory

Get a new HtmlFilter for the given request, response pair.

Parameters:

con - the Connection handling the request.

request - the actual request made.

response - the actual response being sent.

Returns:

the new filter

filterHtml

public void filterHtml(HtmlBlock block)

Removes advertising from the given block.

Specified by:

filterHtml in class HtmlFilter

Parameters:

block - the part of the html page we are filtering.

isEvil

public boolean isEvil(java.lang.String str)

Check if a string is evil (that is its probably advertising).

Parameters:

str - the String to check.

Returns:

true if the given string seems to contain advertising links