mirror of
https://github.com/tribufu/tribufu-java
synced 2026-05-06 14:57:27 +00:00
39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
// Copyright (c) TribuFu. All Rights Reserved.
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//! JNI bindings to TribuFu SDK.
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#![allow(non_snake_case)]
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#[cfg(not(any(
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target_os = "windows",
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target_os = "macos",
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target_os = "linux",
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target_os = "android",
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)))]
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compile_error!("INVALID_TARGET_PLATFORM");
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use jni::objects::{JClass, JString};
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use jni::sys::jstring;
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use jni::JNIEnv;
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use std::ffi::{CStr, CString};
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#[no_mangle]
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// This is the class that owns our static method. It's not going to be used,
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// but still must be present to match the expected signature of a static
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// native method.
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pub extern "system" fn Java_com_tribufu_sdk_TribuFu_getVersion(
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env: JNIEnv,
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_class: JClass,
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input: JString,
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) -> jstring {
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// First, we have to get the string out of Java. Check out the `strings`
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// module for more info on how this works.
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let input = CString::from(unsafe { CStr::from_ptr(env.get_string(input).unwrap().as_ptr()) });
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// Then we have to create a new Java string to return. Again, more info
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// in the `strings` module.
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let output = env.new_string(input.to_str().unwrap()).unwrap();
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// Finally, extract the raw pointer to return.
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return output.into_inner();
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}
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