Method into_java

wasmtime-jni/src/wasm_value.rs:326–348

(
        self,
        env: &JNIEnv<'j>,
        wasm_alloc: Option<&WasmAlloc>,
        mut store: S,
    )

struct IntoByteBuffer(WasmSlice);
impl IntoJavaObject for IntoByteBuffer {
    unsafe fn into_java<'j, S: AsContextMut>(
        self,
        env: &JNIEnv<'j>,
        wasm_alloc: Option<&WasmAlloc>,
        mut store: S,
    ) -> Result<JObject<'j>, Error> {
        let wasm_alloc =
            wasm_alloc.ok_or_else(|| anyhow!("WasmAlloc is required for this return type"))?;
        let bytes = wasm_alloc.as_mut(self.0, &mut store);

        debug!(
            "length of bytes for ByteBuffer: {} expected len: {}",
            bytes.len(),
            self.0.len()
        );
        debug!("read bytes from wasm_slice: {:x?}", bytes);

        let buffer = env
            .new_direct_byte_buffer(bytes)
            .context("Failed to create new ByteBuffer")?;

        Ok(buffer.into())
    }
}

struct IntoByteArray(WasmSlice);