use jni_sys::jobject;
use jvm::Jvm;
use jvm_attachment::JvmAttachment;
pub struct JvmObject<'a> {
jvm: &'a Jvm,
jvm_object_ptr: jobject,
}
impl<'a> JvmObject<'a> {
pub fn jvm_object_ptr(&self) -> &jobject {
&self.jvm_object_ptr
}
pub fn new(jvm: &Jvm, jvm_object_ptr: jobject) -> Option<JvmObject> {
if jvm_object_ptr.is_null() {
return None;
}
let jvm_object_ptr_global = unsafe {
let jvm_attachment = JvmAttachment::new(jvm.jvm());
(**jvm_attachment.jni_environment()).NewGlobalRef.unwrap()(jvm_attachment.jni_environment(), jvm_object_ptr)
};
if jvm_object_ptr_global.is_null() {
return None;
}
Some(
JvmObject {
jvm: jvm,
jvm_object_ptr: jvm_object_ptr_global
}
)
}
}
impl<'a> Drop for JvmObject<'a> {
fn drop(&mut self) {
unsafe {
let jvm_attachment = JvmAttachment::new(self.jvm.jvm());
(**jvm_attachment.jni_environment()).DeleteGlobalRef.unwrap()(
jvm_attachment.jni_environment(), self.jvm_object_ptr
);
}
}
}