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Technology Stack

Overview of technologies, frameworks, and tools used in IoT Bay.

📦 Tech Stack Overview

Frontend Layer (JSP/CSS/TypeScript)
    ↓
Servlet/Controller Layer (Java)
    ↓
Service/Business Logic (Java)
    ↓
Data Access Layer (DAO Pattern)
    ↓
Database (SQLite/PostgreSQL)

🔧 Backend Technologies

Core Language & Framework

Technology Version Purpose
Java 8+ Backend language
Servlet API 3.1 Request/response handling
JSP 2.3 Server-side templates

Build & Dependency Management

Technology Version Purpose
Maven 3.6+ Build and dependency management
pom.xml - Project configuration

Database

Technology Version Purpose
SQLite 3.x Development database
PostgreSQL 13+ Production database (optional)
JDBC 4.2+ Database connectivity

Testing

Technology Version Purpose
JUnit 4.13+ Unit testing framework
Mockito 2.x+ Mocking library

Logging

Technology Version Purpose
SLF4J 1.7+ Logging facade
Logback 1.2+ Logging implementation

🎨 Frontend Technologies

Markup & Templating

Technology Version Purpose
HTML5 - Page structure
JSP 2.3 Dynamic content
JSTL 1.2 Tag library

Styling

Technology Version Purpose
CSS3 - Styling & layout
Flexbox - Layout system
Grid - Layout system
Atomic Design - Component organization

Interactivity

Technology Version Purpose
JavaScript ES6+ Client-side logic
TypeScript 5.3+ Type-safe JavaScript
Fetch API - AJAX requests

Design & Icons

Technology Version Purpose
SVG - Vector graphics
CSS Animations - Visual effects
Responsive Design - Mobile support

🚀 Server & Deployment

Application Server

Technology Version Purpose
Jetty 9.4+ Embedded web server (dev)
WAR Format - Deployable package

Containers (Optional)

Technology Version Purpose
Docker 20+ Containerization
Docker Compose 2+ Multi-container orchestration

🛠️ Development Tools

IDE Support

  • Eclipse: Full support via Maven integration
  • IntelliJ IDEA: Full support via Maven integration
  • Visual Studio Code: Java extensions + Maven

Version Control

Technology Purpose
Git Version control system
GitHub Repository hosting

Build Commands

# Build
mvn clean install

# Run tests
mvn test

# Run application
mvn jetty:run

# Build WAR file
mvn clean package

📊 Architecture Pattern

Model-View-Controller (MVC)

Request
    ↓
Controller (HttpServlet)
    ↓ 
Service (Business Logic)
    ↓
DAO (Data Access)
    ↓
Database
    ↓
DAO returns Entity
    ↓
Service processes Entity
    ↓
Controller forwards to JSP (View)
    ↓
JSP renders HTML
    ↓
Response to Browser

Data Access Object (DAO) Pattern

Interface
    ↓
┌─────────────────┐
│ Implementation  │ ← Database queries
│    Classes      │
└─────────────────┘
    ↓
Entity Classes
    ↓
Database

🔐 Security Technologies

Authentication

  • Session-based authentication
  • Password hashing (SHA-256 + salt)

Authorization

  • Role-Based Access Control (RBAC)
  • Resource-level permissions

Data Protection

  • SQL injection prevention (prepared statements)
  • XSS prevention (output encoding)
  • CSRF protection (token validation)

📈 Development Workflow

Developer
    ↓
Git Branch (feat/feature-name)
    ↓
Maven Build (mvn clean install)
    ↓
Run Tests (mvn test)
    ↓
Git Commit (proper message format)
    ↓
Push to GitHub
    ↓
Create Pull Request
    ↓
Code Review
    ↓
Merge to main
    ↓
Automated Build & Test (CI/CD)
    ↓
Deploy

💻 System Requirements

Minimum

  • Java: 8 or higher
  • Maven: 3.6 or higher
  • RAM: 2 GB
  • Disk: 500 MB
  • OS: Windows, macOS, Linux

Recommended

  • Java: 11 or higher
  • Maven: 3.8 or higher
  • RAM: 4+ GB
  • Disk: 1 GB
  • IDE: Eclipse or IntelliJ IDEA

📦 Key Dependencies

Backend

  • javax.servlet-api - Servlet specification
  • gson - JSON processing
  • sqlite-jdbc - SQLite driver
  • jstl-api - JSP tag library
  • junit - Testing framework
  • mockito - Mocking library

Installed via Maven

View complete list in pom.xml file.

🔗 Related Documentation

Last Updated: December 3, 2025
Version: 1.0.0

Document Version: 1.0.0 Status: Published Audience: Developers, Stakeholders Maintained By: IoT Bay Documentation Team