update at 2022-02-25 09:57:08 by ehlxr
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parent
0b58332005
commit
d8f8551f62
@ -1,4 +1,7 @@
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package me.ehlxr;
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import java.util.List;
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import java.util.ArrayList;
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import java.util.Map;
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class HelloWorld {
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static {
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@ -7,9 +10,11 @@ class HelloWorld {
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System.loadLibrary("mylib");
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}
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public long no;
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public Long no;
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private String name;
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public int age;
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public List<String> ls;
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public Map<String, Long> map;
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private static native String hello(String input);
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@ -47,10 +52,15 @@ class HelloWorld {
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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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List<String> ls = new ArrayList<>();
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ls.add("ls1");
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ls.add("ls2");
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ls.add("ls3");
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HelloWorld hw = new HelloWorld();
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hw.setName("Jack");
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hw.no = 123434555L;
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hw.age = 30;
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hw.ls = ls;
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System.out.println(HelloWorld.getFiled(hw));
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}
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@ -1,4 +1,4 @@
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use jni::objects::{GlobalRef, JClass, JObject, JString, JValue};
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use jni::objects::{GlobalRef, JClass, JList, JObject, JString, JValue};
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use jni::sys::{jbyteArray, jint, jlong, jstring};
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use jni::JNIEnv;
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use std::{sync::mpsc, thread, time::Duration};
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@ -9,6 +9,23 @@ pub extern "system" fn Java_me_ehlxr_HelloWorld_getFiled(
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_class: JClass,
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input: JObject,
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) -> jstring {
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let jlist = env
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.get_list(
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env.get_field(input, "ls", "Ljava/util/List;")
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.unwrap()
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.l()
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.unwrap(),
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)
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.unwrap();
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let jlist_iter = jlist.iter().unwrap();
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jlist_iter.into_iter().for_each(|jobj| {
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let jstr: JString = jobj.into();
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println!(
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"get list filed: {}",
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String::from(env.get_string(jstr).unwrap())
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);
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});
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let age = env.get_field(input, "age", "I").unwrap().i().unwrap();
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println!("get age field: {}", age);
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@ -23,9 +40,22 @@ pub extern "system" fn Java_me_ehlxr_HelloWorld_getFiled(
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String::from(env.get_string(name).unwrap())
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);
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let no = env.get_field(input, "no", "J").unwrap().j().unwrap();
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// let jstr = env.get_string(JString::from(no)).unwrap();
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// println!("get addr field: {}", String::from(jstr));
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// let no = env.get_field(input, "no", "J").unwrap().j().unwrap();
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// println!("get no field: {}", no);
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let no = env
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.call_method(
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env.get_field(input, "no", "Ljava/lang/Long;")
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.unwrap()
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.l()
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.unwrap(),
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"longValue",
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"()J",
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&[],
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)
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.unwrap()
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.j()
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.unwrap();
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println!("get no field: {}", no);
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let out_str = if let JValue::Object(result) = env
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