Implementation:Treeverse LakeFS Java SDK Model CustomViewer

Knowledge Sources	Treeverse_LakeFS lakeFS API Reference
Domains	Java_SDK, Data_Model
Last Updated	2026-02-08 00:00 GMT

Overview

Concrete data transfer object representing a custom viewer configuration in the lakeFS Java SDK.

Description

The CustomViewer class is an auto-generated model object produced by OpenAPI Generator from the lakeFS API specification. It provides type-safe access to custom viewer configuration fields through getter/setter methods and supports JSON serialization via Gson.

Usage

Use this model when configuring custom file viewers (matching by extension or content type) through the lakeFS Java SDK API classes.

Code Reference

Source Location

• Repository: Treeverse_LakeFS
• File: clients/java/src/main/java/io/lakefs/clients/sdk/model/CustomViewer.java
• Lines: 1-406

Signature

public class CustomViewer {
    // Fields with @SerializedName annotations
    // Getter/setter methods
    // equals, hashCode, toString
    // JSON type adapter
}

Import

import io.lakefs.clients.sdk.model.CustomViewer;

I/O Contract

Inputs

Name	Type	Required	Description
name	String	Yes	Display name for the custom viewer
url	String	Yes	URL template for the viewer
extensions	List<String>	No	File extensions this viewer handles
contentTypes	List<String>	No	MIME content types this viewer handles

Outputs

Name	Type	Description
JSON	String	Serialized JSON representation

Usage Examples

Creating an Instance

import io.lakefs.clients.sdk.model.CustomViewer;

CustomViewer obj = new CustomViewer();
obj.setName("Parquet Viewer");
obj.setUrl("https://viewer.example.com/view?file={path}");

Principle

• Treeverse_LakeFS_Java_SDK_Data_Models

Related Pages

• Environment:Treeverse_LakeFS_LakeFS_Server_Environment