Function string_from_jobject

rust/src/jni_utils.rs:533–548

(
    obj: jobject,
    jni_env: *mut JNIEnv,
)

primitive_array_from_jobject!(boolean_array_from_jobject, bool, cache::get_jni_get_boolean_array_elements, cache::get_jni_release_boolean_array_elements);

pub(crate) unsafe fn string_from_jobject(
    obj: jobject,
    jni_env: *mut JNIEnv,
) -> errors::Result<String> {
    if obj.is_null() {
        Err(errors::J4RsError::JniError(
            "Attempt to create a String from null".to_string(),
        ))
    } else {
        let s = (opt_to_res(cache::get_jni_get_string_utf_chars())?)(jni_env, obj, ptr::null_mut())
            as *mut c_char;
        let rust_string = utils::to_rust_string(s)?;
        (opt_to_res(cache::get_jni_release_string_utf_chars())?)(jni_env, obj, s as *const c_char);
        Ok(rust_string)
    }
}

pub unsafe fn jstring_to_rust_string(jvm: &Jvm, java_string: jstring) -> errors::Result<String> {
    let s = (opt_to_res(cache::get_jni_get_string_utf_chars())?)(