52 lines
1.7 KiB
Java
52 lines
1.7 KiB
Java
package me.ehlxr;
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class HelloWorld {
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private static native String hello(String input);
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private static native byte[] helloByte(byte[] input);
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private static native void factAndCallMeBack(int n, HelloWorld callback);
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private static native long counterNew(HelloWorld callback);
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private static native void counterIncrement(long counter_ptr);
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private static native void counterDestroy(long counter_ptr);
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private static native void asyncComputation(HelloWorld callback);
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static {
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// Linux: export LD_LIBRARY_PATH=/Users/ehlxr/Desktop/jni_rs/mylib/target/debug
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// Mac: export JAVA_LIBRARY_PATH=/Users/ehlxr/Desktop/jni_rs/mylib/target/debug
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System.loadLibrary("mylib");
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}
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public static void main(String[] args) {
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String output = HelloWorld.hello("Java");
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System.out.println(output);
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byte[] outputByte = HelloWorld.helloByte("byte".getBytes());
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System.out.println(outputByte);
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HelloWorld.factAndCallMeBack(6, new HelloWorld());
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long counter_ptr = counterNew(new HelloWorld());
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for (int i = 0; i < 5; i++) {
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counterIncrement(counter_ptr);
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}
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counterDestroy(counter_ptr);
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System.out.println("Invoking asyncComputation (thread id = " + Thread.currentThread().getId() + ")");
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asyncComputation(new HelloWorld());
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}
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public void factCallback(int res) {
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System.out.println("factCallback: res = " + res);
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}
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public void counterCallback(int count) {
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System.out.println("counterCallback: count = " + count);
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}
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public void asyncCallback(int progress) {
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System.out.println("asyncCallback: thread id = " + Thread.currentThread().getId() + ", progress = " + progress + "%");
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}
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}
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