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https://github.com/thenextlvl-net/core

Versatile Java libraries for seamless development. Simplify file handling, GUI, and more. Enhance your projects effortlessly.
https://github.com/thenextlvl-net/core

csv file-api functions gui-api i18n internationalization json properties random-string roman-numerals translations tsv utilities

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Versatile Java libraries for seamless development. Simplify file handling, GUI, and more. Enhance your projects effortlessly.

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README 

        
# Core



Core is a collection of Java libraries that provide various functionalities for different purposes. It includes the

following modules:



- [annotations](#annotations)

- [files](#files)

- [functions](#functions)

- [i18n](#i18n)

- [nbt](#nbt)

- [adapters](#adapters)

- [paper](#paper)

- [utils](#utils)



## Annotations



The **annotations** module provides a set of annotations primarily focused on nullability and api information. These

annotations work in conjunction with package information to enhance code clarity and maintainability. The available

annotations are:



- **@TypesAreNotNullByDefault** _Indicates that types cannot be null by default_

- **@TypesAreNullableByDefault** _Indicates that types may be null by default_

- **@FieldsAreNotNullByDefault** _Indicates that fields cannot be null by default_

- **@FieldsAreNullableByDefault** _Indicates that fields may be null by default_

- **@MethodsReturnNotNullByDefault** _Indicates that methods cannot return null by default_

- **@MethodsReturnNullableByDefault** _Indicates that methods may return null by default_

- **@ParametersAreNullableByDefault** _Indicates that parameters cannot be null by default_

- **@ParametersAreNotNullByDefault** _Indicates that parameters may be null by default_

- **@ClassesAreOverrideOnlyByDefault** _Indicates that classes are override-only by default_

- **@MethodsAreOverrideOnlyByDefault** _Indicates that methods are override-only by default_



By utilizing these annotations, developers can explicitly indicate whether fields, methods, parameters or Types are

expected to be null or not-null by default. The nullability can be overridden with explicit annotations.



## Files



The **files** module offers a comprehensive file API that facilitates editing and loading of various file formats such

as Gson, JSON, CSV, TSV, properties, shell scripts, and plain text.



## Functions



The **functions** module provides a set of functional interfaces that extend Java's standard functional interfaces to

handle three objects. These interfaces include:



- **TriPredicate** _A predicate that takes three input parameters and returns a boolean result._

- **TriFunction** _A function that takes three input parameters and produces a result._

- **TriConsumer** _A consumer that takes three input parameters and performs some operation without returning a result._



These interfaces are designed to offer functionality for handling three objects simultaneously, similar to Java's

BiPredicate, BiFunction, and BiConsumer. They can be particularly useful in scenarios where operations involve

interactions between three entities.



## i18n



The **i18n** module serves as an internationalization (i18n) library for Java applications. It employs property files,

similar to Java's ResourceBundle, but enhances the functionality with great features.



- **Language Fallback** _The module supports language fallback, ensuring that if a specific translation is not available

  for a chosen language, it falls back to a default language._



- **Custom Encodings Support** _It provides support for custom encodings, allowing developers to specify encoding

  preferences for language files._



- **Kyori Components Integration** _The module is built on Kyori components, leveraging the MiniMessage library. This

  enhances the handling and formatting of internationalized messages._



- **Missing Translations Handling** _The module automatically merges missing translations from the original resource,

  ensuring that if a translation is absent in a specific language, it falls back to the original resource._



- **Dropping Non-existing Translations** _Non-existing translations are dropped, streamlining the language resource

  files by removing unnecessary entries._



This library is designed to simplify the process of internationalizing Java applications, making it easy for

developers to manage translations, handle fallback scenarios, customize encoding preferences, and efficiently handle

missing and non-existing translations.



## NBT



The **nbt** module introduces a robust and efficient API for working with NBT (Named Binary Tag) data in Java

applications. NBT is a binary serialization format used in Minecraft to store structured data, such as items, entities,

and tile entities. With the core-nbt module, you can seamlessly read and write NBT data, manipulate its contents, and

integrate it into your projects.



## Adapters



The **adapters** module within the Core collection is dedicated to providing GsonAdapters for the de/serialization of

various elements commonly used in Minecraft development. These GsonAdapters cover the de/serialization of:



- **Items**

- **Keys**

- **Locations**

- **Materials**

- **Offline Players**

- **Player Profiles**

- **Plugins**

- **Worlds**



These adapters facilitate the smooth conversion of Minecraft-related elements into a format suitable for users.



## Paper



The **paper** module simplifies GUI development for Minecraft by offering a user-friendly GUI API. It empowers

developers to create and manage multiple pages within the GUI effortlessly. Furthermore, it includes an item builder API

that enables easy creation and modification of items in Minecraft. We also offer a very simple and intuitive Sidebar

API.



## Utils



The **utils** module includes a variety of utility functionalities to simplify common tasks. It provides a custom

properties object API for effortless creation and manipulation of properties. Additionally, it offers a user-friendly

file downloader API to streamline file retrieval from remote sources. Lastly, it includes a string utility API with

functions for generating random strings, checking for palindromes, and converting numbers to Roman numerals.



## Usage



To use any of the Core modules in your Java project, you can include the desired module as a dependency in your

project's configuration file (e.g., **pom.xml** for Maven projects or **build.gradle** for Gradle projects).



https://repo.thenextlvl.net/#/releases/net/thenextlvl/core