SpecVersionDetector (JsonSchemaValidator 1.0.83 API)

java.lang.Object
- com.networknt.schema.SpecVersionDetector

```
public final class SpecVersionDetector
extends Object
```
This class is used to detect schema version

Since:

25/06/20

Author:

Subhajitdas298

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static SpecVersion.VersionFlag`	`detect(com.fasterxml.jackson.databind.JsonNode jsonNode)`	Detects schema version based on the schema tag: if the schema tag is not present, throws `JsonSchemaException` with the corresponding message, otherwise - returns the detected spec version.
`static Optional<SpecVersion.VersionFlag>`	`detectOptionalVersion(com.fasterxml.jackson.databind.JsonNode jsonNode)`	Detects schema version based on the schema tag: if the schema tag is not present, returns an empty `Optional` value, otherwise - returns the detected spec version wrapped into `Optional`.
`static Optional<SpecVersion.VersionFlag>`	`detectOptionalVersion(String schemaUri)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - detect
```
public static SpecVersion.VersionFlag detect(com.fasterxml.jackson.databind.JsonNode jsonNode)
```
    Detects schema version based on the schema tag: if the schema tag is not present, throws JsonSchemaException with the corresponding message, otherwise - returns the detected spec version.
    
    Parameters:
    
    jsonNode - JSON Node to read from
    
    Returns:
    
    Spec version if present, otherwise throws an exception
  - detectOptionalVersion
```
public static Optional<SpecVersion.VersionFlag> detectOptionalVersion(com.fasterxml.jackson.databind.JsonNode jsonNode)
```
    Detects schema version based on the schema tag: if the schema tag is not present, returns an empty Optional value, otherwise - returns the detected spec version wrapped into Optional.
    
    Parameters:
    
    jsonNode - JSON Node to read from
    
    Returns:
    
    Spec version if present, otherwise empty
  - detectOptionalVersion
```
public static Optional<SpecVersion.VersionFlag> detectOptionalVersion(String schemaUri)
```