Function Java_org_prql_prql4j_PrqlCompiler_toJson

prqlc/bindings/java/src/lib.rs:61–72

(
    mut env: JNIEnv,
    _class: JClass,
    query: JString,
)

#[no_mangle]
#[allow(non_snake_case)]
pub extern "system" fn Java_org_prql_prql4j_PrqlCompiler_toJson(
    mut env: JNIEnv,
    _class: JClass,
    query: JString,
) -> jstring {
    let prql_query = match jstring_to_string(&mut env, &query, "query") {
        Some(s) => s,
        None => return std::ptr::null_mut(),
    };
    let result = prql_to_pl(&prql_query).and_then(|x| json::from_pl(&x));
    java_string_with_exception(result, &mut env)
}

fn jstring_to_string(env: &mut JNIEnv, s: &JString, name: &str) -> Option<String> {
    match env.get_string(s) {