public static JsonSchema getJsonSchema()

in powertools-validation/src/main/java/software/amazon/lambda/powertools/validation/ValidationUtils.java [231:266]

30 lines of code
7 McCabe index (conditional complexity)


    public static JsonSchema getJsonSchema(String schema, boolean validateSchema) {
        JsonSchema jsonSchema = schemas.get(schema);

        if (jsonSchema != null) {
            return jsonSchema;
        }

        if (schema.startsWith(CLASSPATH)) {
            String filePath = schema.substring(CLASSPATH.length());
            try (InputStream schemaStream = ValidationAspect.class.getResourceAsStream(filePath)) {
                if (schemaStream == null) {
                    throw new IllegalArgumentException("'" + schema + "' is invalid, verify '" + filePath + "' is in your classpath");
                }

                jsonSchema = ValidationConfig.get().getFactory().getSchema(schemaStream);
            } catch (IOException e) {
                throw new IllegalArgumentException("'" + schema + "' is invalid, verify '" + filePath + "' is in your classpath");
            }
        } else {
            jsonSchema = ValidationConfig.get().getFactory().getSchema(schema);
        }

        if (validateSchema) {
            String version = ValidationConfig.get().getSchemaVersion().toString();
            try {
                validate(jsonSchema.getSchemaNode(),
                        getJsonSchema("classpath:/schemas/meta_schema_" + version));
            } catch (ValidationException ve) {
                throw new IllegalArgumentException("The schema " + schema + " is not valid, it does not respect the specification " + version, ve);
            }
        }

        schemas.put(schema, jsonSchema);

        return jsonSchema;
    }