update at 2022-02-23 09:39:30 by ehlxr

java_src/me/ehlxr/HelloWorld.java

@@ -1,15 +1,51 @@
 package me.ehlxr;
 
-public class HelloWorld {
+class HelloWorld {
+    private static native String hello(String input);
+    private static native byte[] helloByte(byte[] input);
+    private static native void factAndCallMeBack(int n, HelloWorld callback);
+
+    private static native long counterNew(HelloWorld callback);
+    private static native void counterIncrement(long counter_ptr);
+    private static native void counterDestroy(long counter_ptr);
+
+    private static native void asyncComputation(HelloWorld callback);
+
     static {
         // Linux: export LD_LIBRARY_PATH=/Users/ehlxr/Desktop/jni_rs/mylib/target/debug
         // Mac: export JAVA_LIBRARY_PATH=/Users/ehlxr/Desktop/jni_rs/mylib/target/debug
         System.loadLibrary("mylib");
     }
-    private static native String hello(String input);
 
     public static void main(String[] args) {
         String output = HelloWorld.hello("Java");
         System.out.println(output);
+        byte[] outputByte = HelloWorld.helloByte("byte".getBytes());
+        System.out.println(outputByte);
+
+        HelloWorld.factAndCallMeBack(6, new HelloWorld());
+
+        long counter_ptr = counterNew(new HelloWorld());
+
+        for (int i = 0; i < 5; i++) {
+          counterIncrement(counter_ptr);
+        }
+
+        counterDestroy(counter_ptr);
+
+        System.out.println("Invoking asyncComputation (thread id = " + Thread.currentThread().getId() + ")");
+        asyncComputation(new HelloWorld());
     }
-}
+
+    public void factCallback(int res) {
+      System.out.println("factCallback: res = " + res);
+    }
+
+    public void counterCallback(int count) {
+      System.out.println("counterCallback: count = " + count);
+    }
+
+    public void asyncCallback(int progress) {
+        System.out.println("asyncCallback: thread id = " + Thread.currentThread().getId() + ", progress = " + progress + "%");
+    }
+}