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Geospatial Analysis Service

A fully functional Spring Boot REST API for geospatial analysis, growth tracking, and hotspot detection.

🚀 Quick Links

📋 What's Included

✅ Complete REST API

  • Regions Management: CRUD operations for geographic regions
  • Signals Tracking: Store and manage growth indicators
  • Hotspot Detection: Identify high-potential areas by score

✅ Production-Ready Features

  • Input validation
  • Error handling with proper HTTP codes
  • Consistent JSON responses
  • Database relationships
  • Sample data initialization
  • Comprehensive documentation

✅ Testing Tools

  • Automated test script (test-api.sh)
  • Postman collection
  • Sample API calls
  • H2 console access

🎯 Use Cases

  • Urban Planning: Track city development indicators
  • Investment Analysis: Identify growth regions
  • Real Estate: Location scoring for development
  • Business Intelligence: Optimal expansion locations

🛠️ Technology

  • Java 17
  • Spring Boot 3.2.3
  • Spring Web (REST API)
  • Spring Data JPA (Database)
  • H2 Database (SQL)
  • Lombok (Code simplification)
  • Maven (Build tool)

📊 API Endpoints

Endpoint Purpose
/api/regions Manage geographic regions
/api/signals Track growth indicators
/api/hotspots Get top-scoring regions

🏃 Running the Application

Option 1: VS Code

  1. Install Java Extension Pack
  2. Open project folder
  3. Run GeospatialAnalysisApplication.java

Option 2: Command Line

cd SpringBootRestAPI
mvn spring-boot:run

Server runs at: http://localhost:8080

🧪 Quick Test

# Test if running
curl http://localhost:8080/api/regions

# Create a region
curl -X POST http://localhost:8080/api/regions \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Tech Hub",
    "latitude": 37.7749,
    "longitude": -122.4194,
    "description": "Innovation center"
  }'

# Get hotspots
curl http://localhost:8080/api/hotspots?limit=5

📁 Project Structure

SpringBootRestAPI/
├── src/main/java/com/geospatial/
│   ├── controller/          # REST endpoints
│   ├── service/            # Business logic
│   ├── repository/         # Database access
│   ├── entity/            # Data models
│   ├── dto/               # API objects
│   ├── exception/         # Error handling
│   └── config/            # Configuration
├── src/main/resources/
│   └── application.properties
├── pom.xml
├── README.md              # Full API docs
├── QUICKSTART.md          # Quick start
├── SETUP.md               # Installation
├── ARCHITECTURE.md        # System design
├── PROJECT_SUMMARY.md     # Overview
├── test-api.sh           # Test script
└── Geospatial-API.postman_collection.json

📚 Documentation Guide

New to the Project?

  1. Start with QUICKSTART.md
  2. Learn the API from README.md
  3. Understand design via ARCHITECTURE.md

Need to Install?

  • See SETUP.md for Java/Maven installation

Want Details?

Testing?

  • Run ./test-api.sh for automated tests
  • Import Geospatial-API.postman_collection.json into Postman

🎓 Learning Resources

Sample Data Included

The app starts with 3 regions and 7 signals:

  • Silicon Valley (tech hub)
  • Downtown District (business center)
  • East Bay (emerging area)

H2 Console

View data directly: http://localhost:8080/h2-console

  • URL: jdbc:h2:mem:geospatialdb
  • User: sa
  • Password: (empty)

💡 Example Workflow

# 1. Start the application
mvn spring-boot:run

# 2. View existing regions
curl http://localhost:8080/api/regions

# 3. Create a new region
curl -X POST http://localhost:8080/api/regions \
  -H "Content-Type: application/json" \
  -d '{"name": "New Area", "latitude": 37.5, "longitude": -122.5, "description": "Growing region"}'

# 4. Add growth indicators
curl -X POST http://localhost:8080/api/signals \
  -H "Content-Type: application/json" \
  -d '{"regionId": 1, "indicatorType": "POPULATION_GROWTH", "score": 85.0, "description": "High growth"}'

# 5. Find hotspots
curl http://localhost:8080/api/hotspots?limit=5

✨ Key Features

Smart Scoring

Regions automatically calculate total scores from all their signals.

Proper REST Design

  • POST creates resources (201 Created)
  • GET retrieves data (200 OK)
  • PUT updates resources (200 OK)
  • DELETE removes resources (200 OK)
  • 404 for not found
  • 409 for conflicts
  • 400 for validation errors

Comprehensive Error Handling

{
  "success": false,
  "message": "Region not found with ID: 999",
  "data": null
}

Input Validation

All requests validated automatically:

  • Required fields checked
  • Data types enforced
  • Clear error messages

🔧 Customization

Add New Indicator Types

Edit DataInitializer.java to add custom types:

  • TECH_INVESTMENT
  • POPULATION_GROWTH
  • POI_COUNT
  • BUSINESS_ACTIVITY
  • INFRASTRUCTURE_SCORE
  • EMPLOYMENT_RATE
  • (Add your own!)

Change Database

Replace H2 with PostgreSQL/MySQL in pom.xml and application.properties

Add Features

The layered architecture makes it easy to extend:

  • Add new endpoints in controllers
  • Add business logic in services
  • Add queries in repositories

📞 Need Help?

  1. Can't install Java/Maven? → See SETUP.md
  2. How do I run it? → See QUICKSTART.md
  3. What endpoints exist? → See README.md
  4. How does it work? → See ARCHITECTURE.md

✅ Status

PROJECT COMPLETE - Ready to run!

  • ✅ All endpoints implemented
  • ✅ Database configured
  • ✅ Sample data loaded
  • ✅ Error handling complete
  • ✅ Documentation finished
  • ✅ Tests provided
  • ✅ Production-ready structure

📄 License

This project is open source and available under the MIT License.

Ready to start? Open QUICKSTART.md and begin in minutes!