Package com.google.genai.types

Class Blob

java.lang.Object

com.google.genai.JsonSerializable

com.google.genai.types.Blob

public abstract class Blob
extends JsonSerializable

A content blob. A Blob contains data of a specific media type. It is used to represent images, audio, and video.

Nested Class Summary

Nested Classes

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

Field Summary

Fields inherited from class com.google.genai.JsonSerializable

MAX_READ_LENGTH_PROPERTY

Constructor Summary

Constructors

Constructor	Description
Blob()

Method Summary

Modifier and Type	Method	Description
static Blob.Builder	builder()	Instantiates a builder for Blob.
abstract Optional<byte[]>	data()	Required.
abstract Optional<String>	displayName()	Optional.
static Blob	fromJson(String jsonString)	Deserializes a JSON string to a Blob object.
abstract Optional<String>	mimeType()	Required.
abstract Blob.Builder	toBuilder()	Creates a builder with the same values as this instance.

Methods inherited from class com.google.genai.JsonSerializable

fromJsonNode, fromJsonString, objectMapper, setMaxReadLength, stringToJsonNode, toJson, toJsonNode, toJsonString

Methods inherited from class java.lang.Object

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

Constructor Details

Blob

public Blob()

Method Details

data

public abstract Optional<byte[]> data()

Required. The raw bytes of the data.

displayName

public abstract Optional<String> displayName()

Optional. The display name of the blob. Used to provide a label or filename to distinguish blobs. This field is only returned in `PromptMessage` for prompt management. It is used in the Gemini calls only when server-side tools (`code_execution`, `google_search`, and `url_context`) are enabled. This field is not supported in Gemini API.

mimeType

public abstract Optional<String> mimeType()

Required. The IANA standard MIME type of the source data.

builder

public static Blob.Builder builder()

Instantiates a builder for Blob.

toBuilder

public abstract Blob.Builder toBuilder()

Creates a builder with the same values as this instance.

fromJson

public static Blob fromJson(String jsonString)

Deserializes a JSON string to a Blob object.