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Natives

Java native utilities.

中文

Overview

How to know what platform are running?

How to load shared library form JAR resource?

The Natives library can help you!

Usage

Import Natives classes:

import com.github.xuges.natives.*;

Check os, arch and platform:

System.out.println("current os: " + OS.CURRENT);
System.out.println("current arch: " + Arch.CURRENT);
System.out.println("current platform: " + Platform.CURRENT);

if (OS.CURRENT.isUnixLike())
    System.out.println("unix-like");
else if (OS.CURRENT == OS.Windows)
    System.out.println("windows");

Load native shared library from JAR:

try {
    //will be:
    //load !jar/org/example/libs/windows_x64/example.dll on Windows x64
    //load !jar/org/example/libs/linux_aarch64/libexample.so on Linux aarch64
    //load !jar/org/example/libs/macos_x64/libexample.dylib on MacOSX x64
    //tips: load path format: org/example/libs/Platform.CURRENT
	LibraryLoader.loadFromJar("org/example/libs", "example");
} catch (UnsatisfiedLinkError e) {
	System.out.println("load library error: " + e);
}

Store native shared library to JAR:

#linux
$> ./natives-add example.jar org/example/libs linux_x64 libtest.so

#windows
$> natives-add example.jar org/example/libs windows_x64 test.dll

Why

Why use this library?

  • Multi-Platform: Windows Linux MacOSX BSD, x86 x64 aarch64 mips ppc loongarch64 and more.
  • Easy-To-Use: Simple API (like System.loadLibrary) and tool scripts.
  • Production-Ready: Automatic clean temporary file and production validated.

License

MIT License

Copyright(C) 2023 xuges@qq.com