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Comprehensive Overview of Web Portals: Architecture, Features, and uPortal Insights

This project delves into the world of web portals, focusing on architecture, features, and implementation of uPortal. It presents a structured exploration covering key aspects such as middleware technologies, content personalization, security, and various portal types. The project highlights the importance of portals in aggregating organizational resources while providing a user-friendly interface. Additionally, it discusses the role of collaboration frameworks such as SAKAI, and offers insights into developing custom channels and portlets, along with system requirements for successful implementation.

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Comprehensive Overview of Web Portals: Architecture, Features, and uPortal Insights

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  1. Web Portal Project CS 526 Class Project Lee, Austin Narayan, Sujeeth Viswanathan, Arun

  2. Agenda • Part 1 – Portals Introduction • Part 2 – uPortal Introduction • Part 3 – uPortal Architecture • Part 4 – Channels • Part 5 – Individual Explorations • Part 6 - Conclusion Web Portal

  3. Motivation • Yes!! Portal jobs in market!! • Middleware Technologies – Portlets, WebServices, XML, CSS,… • CU-Boulder has implemented. UCCS too.. • Bigger team size, different experiences and more learning Web Portal

  4. What is a Portal ? Portals wrap an organization’s documents and applications in a single web interface that provides distributed access, cross-platform usability, personalization, management, and security features. Web Portal

  5. List of Portal Features • Categorization of content (taxonomy) • Content management & aggregation • Personalization • Robust application integration • Development tools • Mobile/wireless support • Single Sign-On • Security Web Portal

  6. Available Portals Open Source Portals with Java • eXo • JetSpeed – Apache • WebSphere Portal – IBM • uPortal - JASIG Open Source Portals with Microsoft Technologies • DotNetNuke • Rainbow Others PHPNuke, Microsoft Share Point, Oracle Portal, Peoplesoft Portal,.. Web Portal

  7. Portals Survey Survey by: http://portlets.blogspot.com Web Portal

  8. Part 2 – uPortal Introduction Web Portal

  9. What is uPortal ? • Developed under JA-SIG (Java in Administration Special Interest Group) by institutions of higher-education including Princeton, Yale, and University of Delaware • An open source, open standards effort built upon Java, XML, XSL, JSP, J2EE, and JDBC • More of a framework for building custom portals than a proper portal Web Portal

  10. uPortal extended - SAKAI • Developed by Universities – MIT, Stanford, Indiana and O.K.I • SAKAI = Collaboration & Learning Environment • Includes : • Course Management System • Research collaboration system • Tool Portability Profile Tool – standard for future educational application • SEPP – Sakai Education Partners Program Web Portal

  11. uPortal Sample Screen Web Portal

  12. Part 3 - uPortal Architecture Web Portal

  13. Architecture Web Portal

  14. System Requirements • Microsoft Windows • Solaris • Linux • Mac OS X Web Portal

  15. Software Requirements • Sun JDK 1.3 or above • Ant 1.5.3 or above (Java build tool) • Servlet Container/Engine compatible with Servlet 2.2 and JSP 1.1 API (Tomcat 3.3.2) • JDBC Compliant Database (Hypersonic SQL) Web Portal

  16. Browser Compatibility • Netscape 4 and above • Internet Explorer 4 and above • Mozilla 5 and above Web Portal

  17. J2EE • The portal architecture can take advantage of the J2EE services provided by the Web Container. • Can use JMS, JTA as available • Can handle Applets, Servlets, JSP pages Web Portal

  18. Custom Channel Creation • Custom channels are written in Java: CHelloWorld.java • CHelloWorld.ssl (stylesheet) • normal_explorer.xsl • normal_netscape.xsl • about.xsl (optional) Web Portal

  19. Portlet • Packaged channel • Requires compiled java class(es) • Portlet library (lib/portlet-api-1.0.1.jar) • Web descriptor (portlet.xml) • When finished, package into a JAR file, then rename to .war Web Portal

  20. Pushed Fragments • A channel forced on a group of users • Fragment owner has access to modify settings of a fragment Web Portal

  21. Part 4 - Channels Web Portal

  22. Channel Types • Custom • Applet • Image • Inline Frame • Portlet • RSS • Web Proxy • WSRP Consumer • XML Transformation Web Portal

  23. Channels - Demo Web Portal

  24. Individual Explorations Web Portal

  25. System Info • OS: Fedora Core 3 (2.6.11 kernel) • Processor/Memory: Pentium 4, 256 MB • Browser: Mozilla Firefox v1.0.3 • uPortal Quick Start v2.4.2 • JDK v1.4.2 & v1.5.0 Web Portal

  26. Configuration • Download zip file • Extract • Set JAVA_HOME, PATH env variables • Start up HSQL server and Tomcat server • On browser, http://localhost:8080/uPortal • Login as admin, developer, demo, student, faculty, staff Web Portal

  27. My Channel • A campus news channel (RSS) • current happenings • discussion forums • student comments • Weather channel ( WSRP) • Usage-tracking functionality (implement?!) Web Portal

  28. Individual Explorations Web Portal

  29. PayPal Channel - Demo Web Portal

  30. MySQL caveat • Documentation refers to older version of MySQL and JDBC connector • Current version (MySQL 4.1.11 and MySQL-JDBC-Connector 3.1.8) uses different naming schemes when you modify dbloader.xml, names and versions must be exact! (see JdbcExample1.java) Web Portal

  31. Individual Explorations Web Portal

  32. Classifieds Channel • Goals: • Enable users to have a separate classifieds channel • It could be either push-fragment or user subscription • Classifieds publish time frame • Customizable by user • Only Titles and Link (View) • Title and Details (View) • Subscribe to interested Categories – Cars , Rental Web Portal

  33. Classifieds - Roles • Admin • Channel Admin • Content Manager • Time Frame Manager • Request User • Fill in the content details and time period • General Users • Subscribe to the channel Web Portal

  34. Classifieds Channel - Design • Built using XML and Portlets XML Schema used : <Classifieds> <Classified> <Title></Title> <Details></Details> <Link></Link> </Classified> </Classifieds> Web Portal

  35. Design (Continue) • Portlet JSR -168 • Use IPersonal Interface by uPortal for user Identification Web Portal

  36. Part 6 - Conclusion Web Portal

  37. Lessons Learnt • uPortal documentation refers to old versions, and/or is incomplete • JDK 1.4 or higher....but JDK 1.5.0? • RSS Portlet example fails to render with 1.5.0 • CLASSPATH is also necessary when using the JDBC database connector JAR • Environment variable setting • Set them once-and-for-all • Running uPortal • First time, start both servers as root user • Subsequent startup, no need to be root • Not mentioned in README!! • Modify ant.bat (or ant.sh) with fixed path of Ant folder. • Use ‘ant deploy’ in uportal folder to recompile java for your JDK! Web Portal

  38. References • www.uportal.org • www.sakaiproject.org • www.cuconnect.colorado.edu • www.portlets.blogspot.com • www.w3c.org • http://people.emich.edu/kmanickam/uportal_2_0_1/channel_2_0_1.htm • www.mysql.com Web Portal

  39. Questions ?? Web Portal

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