Function call_string_method

wasmtime-jni/src/wasm_exception.rs:126–145

(
    env: &'l JNIEnv<'j>,
    obj: &JObject<'j>,
    method: &str,
)

}

fn call_string_method<'j: 'l, 'l>(
    env: &'l JNIEnv<'j>,
    obj: &JObject<'j>,
    method: &str,
) -> Result<Option<JavaStr<'j, 'l>>, anyhow::Error> {
    let jstring = env
        .call_method(*obj, method, "()Ljava/lang/String;", &[])
        .map_err(|_| fmt::Error)?
        .l()
        .map_err(|_| fmt::Error)
        .map(JString::from)?;

    if jstring.is_null() {
        return Ok(None);
    }

    env.get_string(jstring)
        .with_context(|| format!("Failed to get_string for Exception: {:?}", obj))
        .map(Some)
}