Function validate_entities

CedarJavaFFI/src/interface.rs:494–522

public string-based JSON interface to be invoked by FFIs. Takes in a `ValidateEntityCall` and (if successful) returns unit value () which is null value when serialized to json.

(input: &str)

/// public string-based JSON interface to be invoked by FFIs. Takes in a `ValidateEntityCall` and (if successful)
/// returns unit value () which is null value when serialized to json.
pub fn validate_entities(input: &str) -> serde_json::Result<Answer> {
    let validate_entity_call = from_str::<ValidateEntityCall>(&input)?;
    let schema = match validate_entity_call.schema {
        Value::String(cedarschema_str) => match Schema::from_cedarschema_str(&cedarschema_str) {
            Ok(s) => s.0,
            Err(e) => return Ok(Answer::fail_bad_request(vec![e.to_string()])),
        },
        cedarschema_json_obj => match Schema::from_json_value(cedarschema_json_obj) {
            Ok(s) => s,
            Err(e) => return Ok(Answer::fail_bad_request(vec![e.to_string()])),
        },
    };

    match CedarEntities::from_json_value(validate_entity_call.entities, Some(&schema)) {
        Err(error) => {
            let err_message = match error {
                EntitiesError::Serialization(err) => err.to_string(),
                EntitiesError::Deserialization(err) => err.to_string(),
                EntitiesError::Duplicate(err) => err.to_string(),
                EntitiesError::TransitiveClosureError(err) => err.to_string(),
                EntitiesError::InvalidEntity(err) => err.to_string(),
            };
            Ok(Answer::fail_bad_request(vec![err_message]))
        }
        Ok(_entities) => Ok(Answer::Success {
            result: "null".to_string(),
        }),
    }
}

#[derive(Debug, Serialize, Deserialize)]
struct JavaInterfaceCall {