rs2_stream/
schema_validation.rs

1//! Schema validation system for RS2 streams
2
3use async_trait::async_trait;
4use jsonschema::{validator_for, Validator};
5use serde_json::Value;
6use std::sync::Arc;
7
8#[derive(Debug, thiserror::Error)]
9pub enum SchemaError {
10    #[error("Validation failed: {0}")]
11    ValidationFailed(String),
12    #[error("Missing schema: {0}")]
13    MissingSchema(String),
14    #[error("Parse error: {0}")]
15    ParseError(String),
16}
17
18#[async_trait]
19pub trait SchemaValidator: Send + Sync {
20    async fn validate(&self, data: &[u8]) -> Result<(), SchemaError>;
21    fn get_schema_id(&self) -> String;
22}
23
24/// Production-ready JSON Schema validator for RS2 streams.
25#[derive(Clone)]
26pub struct JsonSchemaValidator {
27    schema_id: String,
28    compiled: Arc<Validator>,
29}
30
31impl JsonSchemaValidator {
32    /// Create a new validator from a JSON schema value.
33    pub fn new(schema_id: &str, schema: Value) -> Self {
34        let compiled = validator_for(&schema).expect("Invalid JSON schema");
35        Self {
36            schema_id: schema_id.to_string(),
37            compiled: Arc::new(compiled),
38        }
39    }
40}
41
42#[async_trait]
43impl SchemaValidator for JsonSchemaValidator {
44    async fn validate(&self, data: &[u8]) -> Result<(), SchemaError> {
45        let value: Value =
46            serde_json::from_slice(data).map_err(|e| SchemaError::ParseError(e.to_string()))?;
47        if let Err(error) = self.compiled.validate(&value) {
48            return Err(SchemaError::ValidationFailed(error.to_string()));
49        }
50        Ok(())
51    }
52    fn get_schema_id(&self) -> String {
53        self.schema_id.clone()
54    }
55}
rs2_stream/schema_validation.rs

rs2_stream/
schema_validation.rs
