KotNexLib

Overview

KotNexLib is a professional collection of Kotlin extensions and utilities designed to simplify JVM development. From high-performance cryptography to advanced terminal UI components, it provides the building blocks for modern Kotlin applications.

Important

This library targets Java 11 or higher. For Android-specific extensions, see Kotlin-Extensions-Android.

Warning

Migration to 4.0.0:

• The project is moving to a new Maven repository: https://maven.kickner.bayern/releases.
• Version 4.0.0 introduces breaking changes in the crypto module.
• Note: String.hash has been moved to the kotnexlib.crypto package and may require updated imports.

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Documentation

Detailed documentation for each module can be found below:

Cryptography

• AES Helper: Secure GCM/CBC encryption, password-based key derivation.
• Argon2: Modern password hashing (Argon2id).
• Blowfish: Legacy support for Blowfish encryption.

Extensions

• Strings: Hashing, Base64, mask/cover, validation, and manipulation.
• ByteArrays: Compression and encoding.
• Collections: Advanced Iterable, Map, and Set operations.
• Misc: Helper for Boolean, Numbers, and Generic types.

File Management

• Structured working directories, JSON configuration management, and automated logging with rotation.

Terminal Output

• ANSI colors, styles, progress bars, spinners, and structured tables for professional CLI tools.

Utilities

• Math: Vector operations and similarity checks.
• IBAN: International bank account validation.
• Args: Command-line argument parsing.
• Common: ResultOf patterns, permutations, and time measurement.

External Integrations

• Extensions for ObjectBox, Ktor, and QR Code generation.

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Installation

Gradle (Kotlin DSL)

repositories {
    maven {
        name = "nexus421MavenReleases"
        url = uri("https://maven.kickner.bayern/releases")
    }
}

dependencies {
    implementation("bayern.kickner:KotNexLib:4.2.0")
}

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Developed with ❤️ for the Kotlin Community.