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E-Concordiensis Transformation Project: Advanced Electronic Publishing Infrastructure Implementation

This project aimed to transform the Concordiensis school newspaper's publishing infrastructure from HTML and PDF articles to a robust electronic system. Using open-source JAVA tools like Struts and Hibernate, a custom content management system was created. The process involved image manipulation, scaling, and conversion, enhancing the user experience across devices. The system's architecture included request handling, business logic implementation, data access with Hibernate, and seamless view rendering. Struts facilitated form creation and processing, while Hibernate managed the object-relational mapping for database operations. Data organization was maintained using an ER diagram, and Hibernate allowed efficient querying and integration into the Struts controller. The presentation layer utilized JSP templates and custom Java tags for dynamic content display. The project was developed on Linux, with version control using CVS and build/deploy processes through Apache Ant and Jakarta Tomcat 5.x. Future steps include beta testing, database deployment, performance optimization, feature enhancements, and ensuring cross-browser compatibility for a seamless user experience.

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E-Concordiensis Transformation Project: Advanced Electronic Publishing Infrastructure Implementation

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  1. Transforming the e-Concordiensis Edward Maas Senior Capstone Design Project Advisor: Professor Cass

  2. About the Project • Client: Concordiensis ( School Newspaper ) • Website: http://concordy.union.edu • Project: created a robust electronic publishing infrastructure. • Transformed From: HTML & PDF Articles

  3. Technology Used • Custom Content Management System • Open Source JAVA Tools: • Model-View-Controller for the Web • Struts (http://struts.apache.org/ ) • Object / Relational Persistence and Query Service • Hibernate (http://www.hibernate.org/ ) • Image Manipulation • Image Conversion (TIFF-to-PNG) • Tiff2png tool (http://www.libpng.org/pub/png/apps/tiff2png.html) • Image Scaling • JMagick (http://www.yeo.id.au/jmagick/)

  4. 2 2 How it works? • Request • Business Logic • Data Access (hibernate) • View • Response 5 1 4 3

  5. How Struts is Used! • Created Forms (model) • AddArticleForm, LoginForm, etc <form-bean name="LoginForm" type="org.apache.struts.validator.DynaValidatorForm"> <form-property name="username" type="java.lang.String" /> <form-property name="password" type="java.lang.String" /> </form-bean> • Wrote classes to process forms edu.union.struts.LoginForm.java: // Get Username & Password from form String username = (String)(newLoginForm.get("username")); String password = (String)(newLoginForm.get("password")); // Check to make sure they’re in the database & passwords are correct Staff authUser = (Staff)smanager.getBySignInCredentials(username, password); //On Login Success return (mapping.findForward("success")); Hibernate Call

  6. Struts Usage Continued… • Create Action Mappings (controller) • Validation & Forwards <action path="/admin/LoginForm" type="edu.union.struts.LoginForm" name="LoginForm" scope="request" validate="true" input="/Login.jsp"> <forward name="success" path="/AdminIndex.jsp" /> </action> • Failure is defined globally <global-forwards> <forward name="failure" path="/admin/Login.do" /> <forward name="login" path="/admin/Login.do" /> </global-forwards>

  7. Data Organization (relational) ER Diagram

  8. How Hibernate Works! • Define HBM • XML config, Struts uses one too! • Defines correspondence between tables and classes • Defines Keys / Relationships • Create Value Object Classes public Integer getId() { return this.Id; } public void setId(Integer Id) { this.Id = Id; }

  9. Data Organization • Sets Represent Multi-valued Relationships • Update can be made with a single action Hibernate Data Pseudo Diagram

  10. Hibernate In Action! • Create Queries (HQL) List users= session.find( "from Staff as staff where " + "staff.username = ? and staff.password = ?", new Object[] { uUsername, uPassword }, new Type[] { Hibernate.STRING, Hibernate.STRING }); • Integrate within Controller (Struts) • Staff authUser = (Staff) smanager.getBySignInCredentials(username, password);

  11. AssignPhoto Form Custom Layout Tag: StoryTag.java Struts at work – CheckImages.jsp Presentation Layer ! • JSP Templates (Green) • Struts & Standard JSP Tags for form elements (Black) • Custom Java Tags (Yellow)

  12. Putting it All Together! • Code written primarily on Linux • Revisions tracked with cvs • Build & Deployment Process: Apache Ant • Java Container: Jakarta Tomcat 5.x

  13. Next Steps & Neat Additions! • Present Finished Product to Concordy Editors for beta testing • Deploy Database and Application on VU • Performance Test under actual traffic! • Add Editing features to data in the Content Manager • Fix Access Control Lists • Create RSS Syndication Feeds • More cross browser/ machine layout & GUI

  14. Questions ?

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