Class Json

java.lang.Object

dev.langchain4j.internal.Json

public class Json
extends Object

JSON helper class. It is supposed to be used by "tools" and "structured output" functionalities.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Json.JsonCodec	The abstract JSON codec interface.

Method Summary

Modifier and Type	Method	Description
static <T> T	fromJson(String json, Class<T> type)	Convert the given JSON string to an object of the given class.
static <T> T	fromJson(String json, Type type)	Convert the given JSON string to an object of the given type.
static String	toJson(Object o)	Convert the given object to JSON.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

toJson

public static String toJson(Object o)

Convert the given object to JSON.

Parameters:

o - the object to convert.

Returns:

the JSON string.

Throws:

JsonWriteException - if the object has no JSON representation, from an implementation that reports the typed exceptions; otherwise a RuntimeException.

fromJson

public static <T> T fromJson(String json,
 Class<T> type)

Convert the given JSON string to an object of the given class.

Type Parameters:

T - the type of the object.

Parameters:

json - the JSON string.

type - the class of the object.

Returns:

the object.

Throws:

JsonReadException - if the JSON is malformed or does not describe the given type, from an implementation that reports the typed exceptions; otherwise a RuntimeException.

fromJson

public static <T> T fromJson(String json,
 Type type)

Convert the given JSON string to an object of the given type.

Type Parameters:

T - the type of the object.

Parameters:

json - the JSON string.

type - the type of the object.

Returns:

the object.

Throws:

JsonReadException - if the JSON is malformed or does not describe the given type, from an implementation that reports the typed exceptions; otherwise a RuntimeException.