2. Java Spring Core 1. Overview презентация

2. Spring Core 1. Overview

Spring Framework The Spring Framework is an open source application framework and inversion of control container for the Java platform It is a lightweight solution for building your enterprise applications The core features of the Spring Framework can be used by any Java application, but there are extensions for building web applications on top of the Java EE platform Main goal - to make developing Java EE applications easier.

Spring Framework It has become popular in the Java community as an alternative to, replacement for, or even addition to the Enterprise JavaBean (EJB) model. Spring is a portable framework that allows you to introduce as much or as little as you want to your application. Promotes decoupling and reusability

Spring History Spring 1.0 - March 2004 Spring 2.0 - October 2006 Spring 2.5 - November 2007 Spring 3.0 - December 2009 Spring 3.1 - December 2011 Spring 4.0 - December 2013 The current version is 4.1 - August 2014

JavaBeans -> EJB -> POJO JavaBeans 1.00-A specification (December 1996, Sun Microsystems) Enterprise JavaBeans (EJB) specification (March 1998, Sun Microsystems) POJO (Plain Old Java Object) - an ordinary Java Object, not a special object (September 2000,  Martin Fowler, Rebecca Parsons and Josh MacKenzie)

Java Development Simplification Lightweight and minimally invasive development with (POJOs) Loose coupling through dependency injection and interface orientation Declarative programming through aspects and common conventions Boilerplate reduction through aspects and templates

Spring Modules Inversion of control container Aspect-oriented programming Data access Transaction management Model–view–controller Testing Remote management Messaging

Spring Framework Architecture

Typical Spring web application