[Laszlo-dev] for review, Change 20071028-hqm-6, put XML parser back into server data proxy pipeline, to do charset transcoding

[Henry Minsky]

Changeset: http://svn.openlaszlo.org/openlaszlo/patches/20071102-hqm-0.tar


On 10/28/07, Henry Minsky <henry.minsky at gmail.com> wrote:
> Change 20071028-hqm-6 by hqm at IBM-2E06404CB67 on 2007-10-28 20:42:12 EDT
>     in /cygdrive/c/users/hqm/openlaszlo/trunk
>     for http://svn.openlaszlo.org/openlaszlo/trunk
>
> Summary: put XML parser back into server data proxy pipeline, to do
> charset transcoding
>
> New Features:
>
> Bugs Fixed: LPP-4924
>
> Technical Reviewer: max
> QA Reviewer: pablo
> Doc Reviewer:
>
> Details:
>
> The server data proxy now uses the XMLPULL parser to parse
> the data from the backend, in order to use Java to force a translation
> into UTF-8
> coding if needed.
>
> This change also uses a worker Thread to read from the backend, while
> simultaneously
> pipelining the data back throug the XML PULL parser to the client.
> This should improve
> response time and also removes a potential memory overflow and DOS
> attack on the server.
>
> Tests:
>
> test/lfc/data/alldata.lzx
> amazon
> calendar
>
>
> Files:
> D      WEB-INF/lib/xpp3-1.1.3.4d_b4.jar
> A      WEB-INF/lib/xpp3-1.1.4c.jar
> M      WEB-INF/lps/lfc/kernel/swf/LzLoadQueue.as
> A      WEB-INF/lps/server/src/org/openlaszlo/data/HttpData.java
> M      WEB-INF/lps/server/src/org/openlaszlo/data/XMLGrabber.java
> M      WEB-INF/lps/server/src/org/openlaszlo/data/HTTPDataSource.java
> M      WEB-INF/lps/server/src/org/openlaszlo/data/DataSource.java
>
>
>
> --
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com
>


-- 
Henry Minsky
Software Architect
hminsky at laszlosystems.com