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0000000..643ff18 Binary files /dev/null and b/__ffi/robusta_jni/com/example/robusta/HelloWorld.class differ diff --git a/__ffi/robusta_jni/com/example/robusta/HelloWorld.java b/__ffi/robusta_jni/com/example/robusta/HelloWorld.java new file mode 100644 index 0000000..6566be3 --- /dev/null +++ b/__ffi/robusta_jni/com/example/robusta/HelloWorld.java @@ -0,0 +1,37 @@ +package com.example.robusta; + +import java.util.*; + +class HelloWorld { + private static native ArrayList special(ArrayList input1, int in2); + + // pub extern "java" fn staticJavaAdd(i: i32, u: i32) -> i32 {} + public static int staticJavaAdd(int i, int u) { + return i + u; + } + + // pub extern "java" fn javaAdd(&self, i: i32, u: i32) -> i32 {} + public int javaAdd(int i, int u) { + return i + u; + } + + public String javaAdd(String i, int f, String u) { + return i + u; + } + + // pub extern "jni" fn nativeFun(self, static_call: bool) -> i32 + public native int nativeFun(boolean staticCall); + + static { + System.loadLibrary("robusta_jni"); + } + + public static void main(String[] args) { + ArrayList output = HelloWorld.special(new ArrayList(List.of(1, 2, 3)), 4); + System.out.println(output); + + HelloWorld h = new HelloWorld(); + System.out.println(h.nativeFun(false)); + System.out.println(h.nativeFun(true)); + } +} diff --git a/__ffi/robusta_jni/justfile b/__ffi/robusta_jni/justfile new file mode 100644 index 0000000..e1e1215 --- /dev/null +++ b/__ffi/robusta_jni/justfile @@ -0,0 +1,8 @@ +_: + @just --list + +build: + cargo build + +java_run: build + javac com/example/robusta/HelloWorld.java && RUST_BACKTRACE=full java -Djava.library.path=../target/debug com.example.robusta.HelloWorld diff --git a/__ffi/robusta_jni/src/lib.rs b/__ffi/robusta_jni/src/lib.rs new file mode 100644 index 0000000..e81ac7e --- /dev/null +++ b/__ffi/robusta_jni/src/lib.rs @@ -0,0 +1,46 @@ +use robusta_jni::bridge; + +#[bridge] +mod jni { + use robusta_jni::convert::{Signature, IntoJavaValue, FromJavaValue, TryIntoJavaValue, TryFromJavaValue}; + use robusta_jni::jni::JNIEnv; + use robusta_jni::jni::objects::AutoLocal; + use robusta_jni::jni::errors::Result as JniResult; + + #[derive(Signature, TryIntoJavaValue, IntoJavaValue, FromJavaValue, TryFromJavaValue)] + #[package(com.example.robusta)] + pub struct HelloWorld<'env: 'borrow, 'borrow> { + #[instance] + raw: AutoLocal<'env, 'borrow> + } + + impl<'env: 'borrow, 'borrow> HelloWorld<'env, 'borrow> { + + #[constructor] + pub extern "java" fn new(env: &'borrow JNIEnv<'env>) -> JniResult {} + + pub extern "jni" fn special(mut input1: Vec, input2: i32) -> Vec { + input1.push(input2); + input1.iter().map(ToString::to_string).collect() + } + + #[call_type(unchecked)] + pub extern "jni" fn nativeFun(self, _env: &JNIEnv, static_call: bool) -> i32 { + if static_call { + HelloWorld::staticJavaAdd(_env, 1, 2) + } else { + self.javaAdd(_env, 1, 2).unwrap() + } + } + + pub extern "java" fn javaAdd( + &self, + _env: &JNIEnv, + i: i32, + u: i32, + ) -> JniResult {} + + #[call_type(unchecked)] + pub extern "java" fn staticJavaAdd(env: &JNIEnv, i: i32, u: i32) -> i32 {} + } +} \ No newline at end of file