move SchemaValidator to separate package

add new exception classes

src/main/kotlin/com/example/demo/config/AppConfig.kt

@@ -9,7 +9,7 @@ import com.example.demo.services.database.city.CityServiceImpl
 import com.example.demo.services.database.product.ProductService
 import com.example.demo.services.database.product.ProductServiceImpl
 import com.example.demo.services.kafka.Producer
-import com.example.demo.services.kafka.SchemaValidator
+import com.example.demo.services.validation.SchemaValidator
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.SerializationFeature
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule

src/main/kotlin/com/example/demo/config/KafkaProducerConfig.kt

@@ -2,7 +2,7 @@ package com.example.demo.config
 
 import com.example.demo.services.kafka.Producer
 import com.example.demo.services.kafka.ProducerImpl
-import com.example.demo.services.kafka.SchemaValidator
+import com.example.demo.services.validation.SchemaValidator
 import org.apache.kafka.clients.producer.ProducerConfig
 import org.apache.kafka.common.serialization.StringSerializer
 import org.springframework.beans.factory.annotation.Autowired

src/main/kotlin/com/example/demo/services/kafka/ProducerImpl.kt

@@ -2,6 +2,7 @@ package com.example.demo.services.kafka
 
 import com.example.demo.models.Product
 import com.example.demo.services.kafka.dto.ProductDto
+import com.example.demo.services.validation.SchemaValidator
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.encodeToJsonElement
 import org.springframework.kafka.core.KafkaTemplate

src/main/kotlin/com/example/demo/services/validation/SchemaValidator.kt

@@ -1,5 +1,7 @@
-package com.example.demo.services.kafka
+package com.example.demo.services.validation
 
+import com.example.demo.services.validation.exceptions.ElementNotValidException
+import com.example.demo.services.validation.exceptions.SchemaNotFoundException
 import io.github.optimumcode.json.schema.JsonSchema
 import io.github.optimumcode.json.schema.ValidationError
 import kotlinx.serialization.json.JsonElement
@@ -20,10 +22,7 @@ class SchemaValidator(
 
         val valid = schema.validate(value, errors::add)
         if (!valid) {
-            // todo throw another exception
-            println(errors.toString())
-
-           throw RuntimeException("invalid schema")
+            throw ElementNotValidException(errors)
         }
     }
 
@@ -34,8 +33,7 @@ class SchemaValidator(
         }
 
         val schemaFile = schemaMap[schemaName]
-            ?: // todo throw another exception
-            throw RuntimeException("unknown json-schema")
+            ?: throw SchemaNotFoundException()
 
         val schema = ResourceUtils.getFile("classpath:json-schemas/$schemaFile")
             .readText(Charsets.UTF_8)

src/main/kotlin/com/example/demo/services/validation/exceptions/ElementNotValidException.kt

@@ -0,0 +1,7 @@
+package com.example.demo.services.validation.exceptions
+
+import io.github.optimumcode.json.schema.ValidationError
+
+class ElementNotValidException(
+    val validationErrors: List<ValidationError>,
+): RuntimeException()

src/main/kotlin/com/example/demo/services/validation/exceptions/SchemaNotFoundException.kt

@@ -0,0 +1,3 @@
+package com.example.demo.services.validation.exceptions
+
+class SchemaNotFoundException: RuntimeException()

src/test/kotlin/com/example/demo/services/kafka/ProducerImplTest.kt

@@ -3,6 +3,7 @@ package com.example.demo.services.kafka
 import com.example.demo.BaseUnitTest
 import com.example.demo.models.Product
 import com.example.demo.services.kafka.dto.ProductDto
+import com.example.demo.services.validation.SchemaValidator
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.encodeToJsonElement
 import org.junit.runner.RunWith