Spring IoC-DI Project

Overview

This project demonstrates the concepts of Inversion of Control (IoC), Dependency Injection (DI), and low coupling using dynamic and static instantiation in a Spring-based Java application. It explores the integration of Spring annotations (@Component, @Repository, @Service) and XML configuration for IoC and DI.

Table of Contents

• Getting Started
• Project Structure
• Dependencies
• Usage
  • Dynamic Instantiation
  • Static Instantiation
  • Keyboard Input
  • XML Configuration (springContext)
  • Annotations (springAnnotation)
• Examples
• Contributing

Getting Started

To get started, clone the repository and follow these steps:

git clone https://github.com/MED-ELAZZAOUY/IOC-DI-Spring.git
cd project-directory

Project Structure

The project structure consists of the following key packages and classes:

Dependencies

The project relies on the following dependencies:

dependencies>
    <!-- https://mvnrepository.com/artifact/org.springframework/spring-core -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>5.3.31</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-context -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.3.31</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.springframework/spring-beans -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>5.3.31</version>
        </dependency>

    </dependencies>

Usage

Dynamic Instantiation

For dynamic instantiation, the project uses reflection to load classes dynamically based on input from a configuration file or user input. // Example usage in Pres2.java

Static Instantiation

Static instantiation involves creating instances of classes directly in the code. // Example usage in Pres1.java.

Keyboard Input

The project allows users to input class names dynamically through the keyboard. // Example usage in Pres22.java.

XML Configuration (springContext)

IoC and DI are also achieved through XML configuration. //Example configuration in config.xml

Annotations (springAnnotation)

Annotations such as @Repository, @Service and @Component are used to mark classes as components for IoC and DI.

Examples

The project includes various examples showcasing different instantiation methods and configurations. See the Pres1.java, Pres2.java, Pres22.java, PresAvecSpringAnnotations.java, and PresAvecSpringXML.java classes for detailed examples.

Contributing

Contributions are welcome! To contribute, follow these steps:

# How to Contribute

1. Fork the repository
2. Create a new branch
3. Make your changes
4. Open a pull request