elasticsearch/docs/java-rest/high-level/ml/find-file-structure.asciidoc

--
:api: find-file-structure
:request: FindFileStructureRequest
:response: FindFileStructureResponse
--
[role="xpack"]
[id="{upid}-{api}"]
=== Find File Structure API

The Find File Structure API can be used to find the structure of a text file
and other information that will be useful to import its contents to an {es}
index.  It accepts a +{request}+ object and responds
with a +{response}+ object.

[id="{upid}-{api}-request"]
==== Find File Structure Request

A sample from the beginning of the file (or the entire file contents if
it's small) must be added to the +{request}+ object using the
`FindFileStructureRequest#setSample` method.

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request]
--------------------------------------------------
<1> Create a new `FindFileStructureRequest` object
<2> Add the contents of `anInterestingFile` to the request

==== Optional Arguments

The following arguments are optional.

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-request-options]
--------------------------------------------------
<1> Set the maximum number of lines to sample (the entire sample will be
    used if it contains fewer lines)
<2> Request that an explanation of the analysis be returned in the response

include::../execution.asciidoc[]

[id="{upid}-{api}-response"]
==== Find File Structure Response

A +{response}+ contains information about the file structure,
as well as mappings and an ingest pipeline that could be used
to index the contents into {es}.

["source","java",subs="attributes,callouts,macros"]
--------------------------------------------------
include-tagged::{doc-tests-file}[{api}-response]
--------------------------------------------------
<1> The `FileStructure` object contains the structure information