CardDemo Application

A Spring Boot application for managing card transactions as part of a Legacy Mainframe Application Modernization initiative.

Prerequisites

• Java 17+
• Apache Maven 3.6+

Installation

git clone https://github.com/cacuscacus/mechanized_test.git
cd java_implementation
mvn clean install

Running Locally

mvn spring-boot:run

The application will be available at http://localhost:8080

Key Features

• Transaction management system
• Generates reports
• REST API endpoints for integrations with thirdparty systems

Project Structure

java_implementation/
├── pom.xml                              # Maven build configuration
├── src/
│   └── main/
│       ├── java/com/example/carddemo/
│       │   ├── CardDemoApplication.java  # Main application entry point
│       │   ├── controller/               # REST controllers
│       │   │   ├── HomeController.java
│       │   │   └── TransactionController.java
│       │   ├── model/                    # Domain models
│       │   │   └── Transaction.java
│       │   ├── repository/               # Data access layer
│       │   │   ├── MockTransactionRepository.java
│       │   │   └── TransactionRepository.java
│       │   └── service/                  # Business logic layer
│       │       └── TransactionService.java
│       └── resources/                    # Configuration and static resources
│           ├── application.properties    # Application configuration
│           ├── logs/                     # Log files
│           └── templates/                # Thymeleaf templates
│               └── transactions/
│                   ├── showReport.html
│                   ├── transactionAdd.html
│                   ├── transactionList.html
│                   ├── transactionReport.html
│                   └── transactionView.html
├── target/                              # Build output directory
└── logs/                                # Application logs

Deployment

• You can deploy and run on any JVM compatible device/OS using the /target/carddemo-{version}.jar after the build command finishes. The file contains all the necessary modules/server to run independently (assuming you have a complatible JVM running on your system)

java -jar carddemo-{version}.jar

Application views

Transactions list

http://localhost:8080/transactions

Add transaction

http://localhost:8080/transactions/add

View transaction

http://localhost:8080/transactions/{id}

Transactions report

http://localhost:8080/transactions/report

License

TBD