The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
IFUSCHINI / Apache2-WURFLFilter-2.21 / CHANGE 
WURFLFilter 2.21
Correct Internal Redirect in AMFSwitcher, thanks to Alison
Created a new module called AMFCommonLib.pm to optimize and better maintenance of the code

WURFLFilter 2.20a
Correct the documentation into AMFDeviceDetection

WURFLFilter 2.20
New module: The switcher mode now is in a separated module called AMFSwitcher.pm, this module use the same parameter that before version (FullBrowserUrl, MobileVersionUrl, RedirectTranscoderUrl)
New module: Create the AMFCarrierDetection to detect by ip address the carrier name and its nation and pass the parameters as environment variable (AMF_CARRIER_NAME, AMF_CARRIER_NATION)
New module: Create the AMFDeviceMonitor a simple admin tool to see witch type of device has access in your site (beta version)
Performance increase of WURFLFilter.pm and patched the manage of web_browsers_patch.xml
ImageFIlterRender set the no cache for the images (for firefox and ie problem)

WURFLFilter 2.11
Fixed bugs in ImageFilter for extension uppercase thanks to Sergio
Fixed bugs in ImageFilter for Alias directive thanks to Sergio

WURFLFilter 2.1
Added Parameter CacheDirectoryStore to set the directory where the data are stored.
The Cache system use the Cache::FileBackend library, now the capabilities of device data are stored on filesystem. So if the version of WURFL or CapabilityList are not changed at startup Apache don't lost the data stored.
Fixed Bugs (thanks to Eladio)
Clear code

WURFLFilter 2.07
Clear code

WURFLFilter 2.06
Fixed Bugs for caching system thanks to nobbynobbs 
For the uknown devices now the AMF_ID return "device_not_found" value (before was null)
Manage strange headers X-Device-User-Agent for Content Transformation (read more: http://www.w3.org/TR/ct-guidelines/)

ImageRenderingFilter 2.06 
Clear the code

WURFLFilter 2.05
WURFLFIlter parameter DownloadZipFile now the Apache Mobile Filter detect automaticaly the file to download is a zip file.
Add Environment variable AMF_WURFLVER to know which version of WURFL the filter use.
Optimize the downloading phases of wurfl files.
ImageRenderFilter fixed bugs


WURFLFilter 2.04
Deprecated parameter Log4WurflNoDeviceDetect, the strange parameter is logged into error_log as warning type
Deprecated parameter DirWebPatch, now if LoadWebPatch is true and PatchWurflNetDownload is false the Apache Mobile FIlter load the web_browsers_patch.xml file into MOBILE_HOME parameter
Deprecated parameter ConvertImage this parameter has not sense.
Deprecated parameter WebAppConvertImages this parameter has not sense.
Deprecated parameter DetectAccuracy this parameter causes the decrease of filter performance.
Deprecated parameter RedirectTranscoder this parameter has not sense.
Complete with more info the POD 

WURFLFilter 2.03
Added Parameter CookieCacheSystem to enable cookie cache mechanism.
Cache cookie system
Clear code

WURFLFilter 2.02
I leaved (in the same day) the cookie system, and I'm using pnote 

WURFLFilter 2.01
WURFLFilter pass the dimension of screen size to ImageRenderFilter by cookie system 

WURFLFilter 2.00
In this version we have separated the module in two parts:
WURFLFilter.pm that give the information of device capabilities as Apache Environments
ImageRenderFilter.pm manage the images for the devices

The Apache Mobile Filter pass the parameter with this syntax:

AMF_<upper case wurfl capability names>

for example:

j2me_midp_2_0 is AMF_J2ME_MIDP_2_0


if Parameter CapabilityList is setted with value all show all capabilies of wurfl.
Fixed some BUG

WURFLFilter 1.70
In this version you can specify on the query string of the URI of an image the 	
the percentage of width of the  device that the filter must resize 

WURFLFilter 1.61
Change algorithm to identify the UserAgent
Added Parameter DetectAccuracy to set the accuracy of device detection (default is false)


WURFLFilter 1.60
Added parameter for setting "Apache Mobile Filter" into httpd.conf
Added Parameter LoadWebPatch to set if you want to load a patch file (default is false)
Added Parameter DirWebPatch to set where you set your patch file
Added Parameter PatchWurflNetDownload to set if you download from net the patch file (default is false)
Added Parameter PatchWurflUrl to set the url of the patch file
Added Parameter RedirectTranscoder to set if you want to redirect if it access with a transcoder system
Added Parameter RedirectTranscoderUrl to set the url where you want to redirect the transcoder 

WURFLFilter 1.55
Fixed critical bugs now is recognize correctly FullBrowser

WURFLFilter 1.54
Delete Parameter XML_CONFIG now the configuration of the filter is possible only in httpd.conf file

WURFLFilter 1.53
Fixed Bugs
Convert all messages from warn to debug, only warn message is for new o strange User Agent

WURFLFilter 1.52
Fixed Bugs
Parse Wurfl.xml method more clean

WURFLFilter 1.51
Fixed Bugs

WURFLFilter 1.5
Add a new method call IdentifyUAMethod, with this method increase the performance of device identification
Deprecated FirstMethod
Deprecated SecondMethod

WURFLFilter 1.42
Fixed bug for try to read zip file like an xml file (case is DownloadZipFile setted false)

WURFLFilter 1.41
Fixed bugs for internal redirect feature and for images mechanism

WURFLFilter 1.4
Increase performance with a new cache system mechanism

WURFLFilter 1.31
After talking with Gianugo R. it's possible to configure the filter into httpd.conf file
Added Parameter XML_CONFIG to set where to read WURFLFilter configuration (to set in httpd.conf)
Added Parameter CapabilityList the same of the old attribute "capability" in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter XHTMLUrl the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter WMLUrl the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter CHTMLUrl the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter MobileVersionUrl the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter IntelliSwitch  the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter FullBrowserUrl the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter CookieSet the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter PassQueryStringSet the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter ShowDefaultVariable the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter WurflNetDownload the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter DownloadWurflURL the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter DownloadZipFile the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter ConvertImage the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter ResizeImageDirectory the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter WebAppConvertImages the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter WebAppDirectory the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter ConvertOnlyImages the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)
Added Parameter Log4WurflNoDeviceDetect the same of the old attribute with the same name in WURFLFilterConfig.configure (to set in httpd.conf)

WURFLFilter 1.21
Optimized code

WURFLFilter 1.2
AddedAttribute Log4WurflNoDeviceDetect it's a necessary log for detect new device that WURFL not has included
Fixed some bugs

WURFLFilter 1.1
Added Attribute WebAppConvertImages if you use an application server site
Added Attribute WebAppDirectory for specify the directory of WebApp
Added Attribute ConvertOnlyImages if you want to use the filter only for the images and not for other content

WURFLFilter 1.0
Added Attribute DownloadZipFile for download zip file of WURFL DB
Add function to download zip file and uncompress it

WURFLFilter 0.6
Added Attribut cHTML for CHTML layout

WURFLFilter 0.54
Fixed several Bugs

WURFLFilter 0.53
Fixed several Bugs 


WURFLFilter 0.52
Fixed Bugs if cookie is true now the images is visible

WURFLFilter 0.51
Fixed Bugs of resize image, now it take the correct capability on WURFL
Fixed Bugs if image to transform not found return correct message
Fixed other little bugs

WURFLFilter 0.5
adaptation function image dynamic for the screen size of the device tested with PNG and GIF image type
Added Attribute ConvertImage into config file for activate the adaptation image
Added Attribute ResizeImageDirectory into config file for specify the destination of images

WURFLFilter 0.41
the filter trace in error_log file the  "user agent" that not are present in WURFL

WURFLFilter 0.4
Correct fix bugs
Added Attribute WMLUrl for WML layout
Change Attribute IntelliUrl in XHTMLUrl for XHTML layout

WURFLFilter 0.3
Optimization of storage data in memroy
Correct README file

WURFLFilter 0.2
Read directly the WURFL.xml file from URL. This option is configurable into WURFLConfig.xml file.

WurflFilter 0.1
The First Edition