Package com.google.genai.types

Class Content

java.lang.Object

com.google.genai.JsonSerializable

com.google.genai.types.Content

public abstract class Content
extends JsonSerializable

Contains the multi-part content of a message.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Content.Builder	Builder for Content.

Constructor Summary

Constructors

Constructor	Description
Content()

Method Summary

Modifier and Type	Method	Description
static Content.Builder	builder()	Instantiates a builder for Content.
static Content	fromJson(String jsonString)	Deserializes a JSON string to a Content object.
static Content	fromParts(Part... parts)	Constructs a Content from parts, assuming the role is "user".
abstract Optional<List<Part>>	parts()	List of parts that constitute a single message.
abstract Optional<String>	role()	Optional.
@Nullable String	text()	Returns the concatenation of all text parts in this content.
abstract Content.Builder	toBuilder()	Creates a builder with the same values as this instance.

Methods inherited from class com.google.genai.JsonSerializable

stringToJsonNode, toJson

Methods inherited from class java.lang.Object

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

Constructor Details

Content

public Content()

Method Details

parts

public abstract Optional<List<Part>> parts()

List of parts that constitute a single message. Each part may have a different IANA MIME type.

role

public abstract Optional<String> role()

Optional. The producer of the content. Must be either 'user' or 'model'. Useful to set for multi-turn conversations, otherwise can be empty. If role is not specified, SDK will determine the role.

builder

public static Content.Builder builder()

Instantiates a builder for Content.

toBuilder

public abstract Content.Builder toBuilder()

Creates a builder with the same values as this instance.

fromJson

public static Content fromJson(String jsonString)

Deserializes a JSON string to a Content object.

fromParts

public static Content fromParts(Part... parts)

Constructs a Content from parts, assuming the role is "user".

text

public @Nullable String text()

Returns the concatenation of all text parts in this content.

Returns null if there are no parts in the content. Returns an empty string if parts exists but none of the parts contain text.