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MSI Information using XML, XSLT, & CVS

MSI Information using XML, XSLT, & CVS. Kakapo Meeting August 28, 2003. Example XML database file:. http://web.mit.edu/pismere/msilist/ msilist.xml Stores all the info about managed MSIs. Contents: <people>: names of people, teams, groups, with URLs and contact info

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MSI Information using XML, XSLT, & CVS

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  1. MSI Information using XML, XSLT, & CVS Kakapo Meeting August 28, 2003

  2. Example XML database file: • http://web.mit.edu/pismere/msilist/msilist.xml • Stores all the info about managed MSIs. • Contents: • <people>: names of people, teams, groups, with URLs and contact info • <places>: info about clusters • <msis>: info about our managed MSIs

  3. <msi> <product-name> <vendor> <title> <version> <category> <file-url> <support-url> <msi-info> <config-info> <bug-info> <license-info> <packaged-by> <provided-by> <last-updated> <year> <month> <day> <msis> contents:

  4. <msi> <product-name> <vendor>Adobe</vendor> <title>Acrobat Reader</title> <version>6.0</version> </product-name> <category>General Productivity</category> <file-url> file://win.mit.edu/dfs/msi/acst/adobe_reader_60/adobe_reader_mit_60.msi</file-url> <support-url> http://www.adobe.com/support/products/acrreader.html</support-url> <msi-info>Extracted MSI after setup process from vendor installer using InstallShield AdminStudio. Provided MSI and MST did not work in our environment.</msi-info> <license-info>free version</license-info> <packaged-by>Chad Dupuis</packaged-by> <provided-by>Academic Computing</provided-by> <last-updated> <year>2003</year>- <month>07</month>- <day>10</day> </last-updated> </msi> An <msi> entry

  5. Example XSL template file • XSL template files • convert the database into desired output style • are themselves in XML format • Our example: • http://web.mit.edu/pismere/msilist/acst/msisupport.xsl • Desired output style: • tree of HTML files • patterned after Academic Computing msi pagehttp://web.mit.edu/acs/windows/msisupport.html • Used HTML Tidy to turn the HTML into viable XML

  6. Msisupport.xsl contents • <xsl:stylesheet> • <xsl:output method=“html”> (output file is html) • <xsl:template match=“/”> (start at top of xml file) • <html>,<head>,<body>… (create main page) • <xsl:for-each select=“…”> (select <msi>s) • <xsl:sort select=“…”> (group, sort) • <xsl:value-of select=“…”> (display info) • <xsl:call-template name=“create-info-page”>(make output documents for each msi) • <xsl:template name=“expand-people-name”> • <xsl:template name=“create-info-page”> • <html>,<head>,<body>… (create new html tree) • <xsl:value-of select=“pismere:outputDocument…”> (save to separate file)

  7. Invoking XSLT processor • http://web.mit.edu/pismere/msilist/acst/generate-html.cmd • Runs “msxsl ..\msilist.xml msisupport.xsl -o msisupport.html” • In English: • Use the MSXSL processor • Use “msilist.xml” as the input file • Use “msisupport.xsl” as the template file • Create “msisupport.html” as the main output file

  8. Results • Creates • http://web.mit.edu/pismere/msilist/acst/msisupport.html • and the http://web.mit.edu/pismere/msilist/acst/msiinfo/ directory, containing: • adobe_acrobat_reader_50_idafg0o_MSI_README.html • adobe_acrobat_reader_60_idand0o_MSI_README.html • esri_arcinfo_workstation_83_idame0o_MSI_README.html • microsoft_visio_2002_idaah0o_MSI_README.html

  9. Using CVS • Created/edited files on some computer • Checked into CVS • “msilist” module in “pismere-test” repository on cvs.mit.edu server • Deployed via pismere locker in AFS • Directory hierarchy directly checked out from same module • http://web.mit.edu/pismere/msilist/CVS • Redeploying after changes: • A simple “cvs update” in pismere locker

  10. Pros and Cons: XML • PROs • Free • Extremely general, so any structure for database can be achieved • Understood by a large and increasing number of browsers/applications • Can use simple text editor to change, or more xml-aware applications. • CONs • Generality means we make the rules… and we have to enforce them • Isn’t quite widespread enough to be easily accessible to laypeople

  11. Pros and Cons: XSLT • PROs • Free • General enough to get just about any look-and-feel • Is also an XML document, so same tools can be used to edit • CONs • Difficult to learn, tedious to write • But: easy enough to parrot and include; hopefully the tough parts only need to be done once • Still at version 1.0, so not perfected yet • Multiple output documents not natively supported,so it forces a choice of a particular processor toimplement (my choice: MSXSL)

  12. Pros and Cons: CVS • PROs • Free • Deployment via AFS • Revision control • Some file conflict resolution • Recovering older versions • CONs • Usually a command-line client • Learning curve • Some gotchas • filename capitalization, • binary/text tags, etc…

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