Function byte_array_to_vec

src/droidplug/jni_utils/arrays.rs:17–26

Get a [`Vec`] of bytes from the given Java byte array.

(env: &'a JNIEnv<'a>, obj: jbyteArray)

/// Get a [`Vec`] of bytes from the given Java byte array.
pub fn byte_array_to_vec<'a>(env: &'a JNIEnv<'a>, obj: jbyteArray) -> Result<Vec<u8>> {
    let size = env.get_array_length(obj)? as usize;
    let mut result = Vec::with_capacity(size);
    unsafe {
        let result_slice = slice::from_raw_parts_mut(result.as_mut_ptr() as *mut jbyte, size);
        env.get_byte_array_region(obj, 0, result_slice)?;
        result.set_len(size);
    }
    Ok(result)
}

#[cfg(test)]
mod test {