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Transcript of Jim Farmer, JA-SIG Collaborative 20 June 2002 EUNIS 2002, Porto, Portugal Portals, uPortal, and Web...
![Page 1: Jim Farmer, JA-SIG Collaborative 20 June 2002 EUNIS 2002, Porto, Portugal Portals, uPortal, and Web Services.](https://reader034.fdocuments.in/reader034/viewer/2022051516/56649ec65503460f94bd1cef/html5/thumbnails/1.jpg)
Jim Farmer, JA-SIG Collaborative20 June 2002
EUNIS 2002, Porto, Portugal
Portals, uPortal, and Web Services
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IGPublisher’s note
This short presentation was originally scheduled as part of Art Pasquinelli’s panel. Because of travel interruptions, this presentation was not made at the conference.
Supplementary material follows the end of the presentation.
instructional media + magic, inc.
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IG
Administrative
Instruction
Library
Research
A Student’s Web World
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IGStudents expectations shaped by...
• Their experience with e-government
• Their use of financial services portals
• Their use of the Internet
• Their life in a “real-time, information rich” environment
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IGStudents now expect...
• Service 24 hours a day, 7 days a week
• Complete information froma single source
• Delivery by Web, e-mail, telephone, and facsimile, and, wireless devices• response time of 15 seconds for
telephone, 10 seconds for Web, and 2 hours for e-mail and facsimile
• access to a complete transaction history
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IGWhy are portals important?
• Makes knowledge workers more productive
• Preferred by users• Market share• University identity
• A viable architecture for information services• Integration platform• Improved services• Lower costs
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IGA Student Portal
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IGTypes of portals
• Enterprise [integration]• Knowledge/document management• Collaboration and messaging• Front end to application servers
Jim Rapoza, “Enterprise value of portals is clear,” eWeek, September 13, 2001
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IGRequired capabilities
Type of Portal JSP Chat & Mail
ContentClassificationand Search
WebServices
Enterprise
Collaboration
Knowledgemanagement
Front end
University
? ? ?
? ? ?
? ? ?
? ? ? ?
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IGAvailable services
Type of Portal Dir
ecto
ryA
uth
enti
cati
onR
oles
Gro
ups
Wal
let
Auth
oriz
atio
ne-
mai
l an
d c
hat
Web
Ser
vice
sX
ML,
SO
AP,
UD
DI
Wor
kflow
Cal
endar
ing
Annou
nce
men
ts
Enterprise X ? ? ? ? ?
Collaboration ? ? ? X ? X X ? ?
Knowledgemanagement
? X ? X ? ?
Front end ? ? ? ? ? ? ? ? ? ? ?
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IGRequired authentication
Type of Portal Local Remote Anonymous
Enterprise ? X
Collaboration ? X
Knowledgemanagement
?
Front end ? X
University
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IGWhat is uPortal?
• Enterprise, horizontal portal• Framework for presenting aggregated
content (channels)• Personalization• Role-based access control• Open source, collaborative effort• Java web application
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IGJA-SIG
• Java In AdministrationSpecial Interest Group• www.jasig.org
• Conferences biannually• Clearing house
• https://www.mis4.udel.edu/JasigCH/
• Collaborative projects
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IGuPortal Interfaces
• Authentication• Proving your identity
• Authorization• Deciding what you can access
• Directory services• Such as populating EduPerson
• User preferences• Profiles, structure, themes, skins
• Channel information• Availability and configuration
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IGWhat is a Channel?
• Displays content • XML feeds
• Rich Site Summary (RSS)• Web services
• Legacy systems
• Interactive applications• Bookmarks• Email, chat, list serves
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IGThe Meteor channel
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IGFlexible Layouts
• Structures• Tab / column• Tree / column
• Themes• Multi-column• Multi-row
• Skins
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IGMultiple Target Devices
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IG XML
Stylesheet
XHTML: Web Browser
WML: Cell Phone
HTML: PDA
XSLTProcessor
Content Transformation
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IGTab / Column Layout
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IGTree / Column Layout
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IGWhat’s new in 2.0?
• Abstraction of layout• Structure/theme transformations• Standard channel events• Standard CSS classes• More flexible publish/subscribe• User profile management• JNDI lookup service• WebProxy channel
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Web services as an architecture
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IGA Web service is
• XML business messages• using ebXML/SOAP compliant
data transport• rendered using XSL transformations• for a remotely authenticated user
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IGWeb services architecture is
• XML “tagged” data contenteXtensible Markup Language
• ebXML/SOAP data transportSimple Object Access Protocol
• XSL transformations for presentationeXtensible stylesheet language
and now• UDDI/WSDL directory services
Universal Description, Discovery, and Integration, and Web Services Description Language
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IGValue of Web services technology
Open standards Web service projects are taking one-fourth the time and costing one-fifth comparable projects using traditional technology. Performance is 2 to 10 times better than expected.• HFC Bank - IFX credit card application using XML,
SOAP and XSLT• Deutsche Bank Bauspar - FixML security
transaction integration using XML messages and XSL transformations
• Hypo Vereinsbank - Integration
Based on presentations at the XSLT [Invitational] Conference
Oxford, University, April 8-9, 2001
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The Meteor Channel, an example of Web services
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IGAs implemented ...
Web ServicesSecure HTML
MeteorSecure XML
StandardBrowserStandardBrowser uPortaluPortal
MeteorSOAP
MeteorSOAP
MeteorSOAP
MeteorSOAP
DatabaseDatabase
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IGData from multiple sources, locations
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IGMeteor Channel in the uPortal
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IGWeb services in uPortal
• WSRP channel-level support• SOAP in application channels
Soon as portal service• UDDI pilot test late summer 2002• WS-Security implementation planned
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Web services as an architecture
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IGDepartment of Education standards
MeteorSFA
Announced
Announced[March 2001]
Expected
UMLXMLJava
SOAP XML-RPCUDDI/WSDL
SAML
Proposed, with convergence
[Feb 2000]
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IGIs Web technology important?
• Feb 1993 - The University of Illinois releases the Mosaic browser
• Oct 1995 - The word e-commerce enters the vocabulary
• Feb 2000 - ED/SFA announces UML, XML, Java standards
• Sep 2000 - IBM announces “Web services”, a new architecture
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IGConvergence: Business Messages
June 2000 MayDecember
CommonLine XML [ESC]
LoanML [IFX]
Common Record [SFA]
CommonLine R5 [ NCHELP ESC]
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IGConvergence: Data Transport
September 2000 AprilMarch
SOAP [NCHELP ESC]
SOAP [SFA]
ebXML [PESC]
“Simple SOAP” [Meteor]
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IGConvergence: Authentication
December 2000 JuneMarch
SFA [NCS Proprietary]
SAML [Oasis]
S2ML [Netegrity]
AuthML [Securant]
XTASS [VeriSign]
Internet 2 [Shibboleth]
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The Meteor Channel, an example of Web services
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IGMeteor in a nutshell…
Lender
XML
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IGDiagram of Meteor Concept
Web ServicesHTML
MeteorXML
StudentStudent Access Provider Access Provider Data Provider Data Provider
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Architecture of uPortal
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IGChannel
• Elementary unit of presentation, defined by the IChannel interface
IChannel
Set Runtime Data ()
User InteractionExternal Information
Render XML ()
Channel Content(Presentation)
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IGFramework Organization
uPortal Framework
User Interaction Presentation
Channel Channel Channel
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IGUser Layout
• User Layout is an abstract structure defining the overall content available to the user
• userLayout is a tree structure consisting of “folders” and “channels”, the later always being the leaf nodes
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IGUser Layout
C h an n e l C h an n e l C h an n e l
C h an n e l
F o ld er
F o ld er C h an n e l
F o ld er
C h an n e l
F o ld er
F o ld er
C h an n e l C h an n e l
F o ld er
U se r La yo u t
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IGStructure Transformation
C h an n e l C h an n e l C h an n e l
C h an n e l
F o ld er
F o ld er C h an n e l
F o ld er
C h an n e l
F o ld er
F o ld er
C h an n e l C h an n e l
F o ld er
U se r La yo u t
Channel Channel Channel Channel
Column Channel
Tab
Channel
Tab
Channel Channel
Tab
User Layout
Column
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IGTheme Transformation
C h an n e lD ic tio n a ry.com
C o lu m n
C h an n e lB o o km a rks
C h an n e lC a rto on
C o lu m n
T abJ im S m ith
C h an n e l
T abF in a n cia l A id
C h an n e l C h an n e l
T abL ib ra ry
U se r La yo u t
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IGCompiling the Presentation
Structuretransformation
Themetransformation
userLayout
structuredLayout
HTML, WML VoiceML...
XSLT
XSLT
setRuntimeData()
renderXML()
Channels
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IGArchitectural Features
• Extensive user customization• Inter-channel communications• Channel services• Normalized database schema• Profiles (multiple device management)• Layout-specific preferences channels• JNDI backbone
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IGChannel Services
• Services provide common functionality to the channels• Logging facility• “Password wallet”• File sharing, printing, mail, calendar• Channel synchronization
• JNDI access
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IGInter-channel communication
• Channel discovery• How to find a channel ? Need channel
instance ID.• Functional names
• Direct interaction• Channel access objects• Channel-bound public JNDI subtrees
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IGDatabase backing
• Storage interfaces• User layout, profiles, preferences,
stylesheet descriptions• Channel registry
• Normalized DB schema• Generic and Oracle implementations
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IGUser Profiles
• Profile defines:• Structure/Theme stylesheets• A set of user preferences• User layout
• System vs. User profiles• Browser-specific preferences
• User-Agent ID maps to a profile
• Initial profile mapping
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IGUser preferences
• Portal=rendering+customization• User Preferences Channel• Swappable layout and preference
management modules• Profile management module• Tab-column specific UP module• Skin Selection
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IGUser Preferences
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IGPublish/Subscribe
• Channel publishing document• Channel parameters
• Default values• Modification permissions• Descriptions
• Publish/Subscribe steps• Step sequence• Instructions, help
• Flexible channel publishing
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IGChannel Types
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IGChannel Settings
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IGChannel Controls
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IGChannel Classification
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IGChannel Authorization: Roles
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IGIn progress
• Performance optimization• Caching/Pooling optimizations• Setup optimization
• Authorization checks• User Identification (EduPerson)• Tree layout UP module• More content !