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Comprehensive Guide to Web Application Architecture and Popular Frameworks

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This document serves as a detailed introduction to web application architecture and popular frameworks, including Hibernate, Spring, and JSF. It covers essential topics such as the creation of Maven projects, the role of ORMs, and the importance of various technologies like HTML, Servlets, and databases like MySQL and PostgreSQL. Learn about modern development tools and frameworks that streamline enterprise application development while enhancing modularity and performance. Explore the benefits of using frameworks like Spring and advantages of using Maven in your projects.

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Comprehensive Guide to Web Application Architecture and Popular Frameworks

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  1. Introduction to Web Dimitar Nenchev dimitar.nenchev@cayetanogaming.com Ivan Nakov Ivan.nakov@cayetanogaming.com

  2. Agenda • Web application architecture • Popular frameworks • Creating maven project • Hibernate • Spring • JSF

  3. What is Web Application? • HTML and dynamic pages – JSP, XHTML • Servlets • Resources – images, css, javascriptetc • Business and Database logic • WAR file

  4. Application Layers

  5. Popular Frameworks • Database: MySql, Postgresql • ORM: Hibernate, Ibatis, JPA • Services: EJB, Spring • Web: JSP, XHTML • Struts, GWT, JSF Primefaces

  6. Popular Frameworks

  7. How to start? Technologies: • JDK 7 • Postgres 9.x / MySql 5.5.x • Maven 3.0.x • Hibernate 4.1.x • Spring 3.2 • Primefaces 3.1.x • Tomcat 7

  8. What is Maven? • Modern build/project management tool • pom.xml • .m2 repo • Maven eclipse plugin • Maven war plugin

  9. What is ORM? • In relational databases, business entities are represented as tables • In object-oriented languages, business entities are represented as classes OO Programming Language (classes) ORM Framework Relational Database (tables)

  10. Example

  11. Hibernate Advantages • Mature Open Source framework • Portability • Optimized Performance • Reduces Development time • Reduce complexity • Support Query Language • Integration with many popular frameworks

  12. What is Spring • Mature Open Source framework • Lightweight solution for enterprise apps • Non-invasive (POJO based) • Modular • Integration with many popular frameworks

  13. Spring Modules

  14. IoC and DI • “Don’t call me, I’ll call you” • DI is form of IoC • DI variants • Constructor injection • Setter injection

  15. Terms • Application Context • Represents the Spring IoC container • Bean • Object managed by Spring IoC Container • Bean Definition • Describe a bean instance

  16. Bean Scopes • Simple • Singleton • Prototype • Runtime • Thread • Custom implementation • Web-aware scopes • Request • Session • Global Session

  17. Transactions • What is Transaction? • Spring Declarative transaction management • Transaction Propagation • Required • RequeresNew • Supports • NotSupported • Nested • Mandatory • Never • ReadOnly

  18. What is JSF? • Request driven MVC web framework • Component oriented UI design model • Event driven • Easy to use ajax support • Templating support • Zero Config • Component libraries

  19. Primefaces • Open source • Lightweight • Easy to use • Rich Components

  20. Contest

  21. Questions?

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