Get file contents - Hedera

A query to get the contents of a file. Queries do not change the state of the file or require network consensus. The information is returned from a single node processing the query. Query Signing Requirements

The client operator private key is required to sign the query request

Query Fees

Please see the transaction and query fees table for the base transaction fee
Please use the Hedera fee estimator to estimate your query fee cost

Constructor	Description
`new FileContentsQuery()`	Initializes a FileContentsQuery object

new FileContentsQuery()

Methods

Method	Type	Description
`setFileId(<fileId>)`	FileId	The ID of the file to get contents for (x.z.y)

//Create the query
FileContentsQuery query = new FileContentsQuery()
    .setFileId(newFileId);

//Sign with client operator private key and submit the query to a Hedera network
ByteString contents = query.execute(client);

//Change to Utf-8 encoding
String contentsToUtf8 = contents.toStringUtf8();

System.out.println(contentsToUtf8);

//v2.0.0

//Create the query
const query = new FileContentsQuery()
    .setFileId(newFileId);

//Sign with client operator private key and submit the query to a Hedera network
const contents = await query.execute(client);

console.log(contents.toString());

//v2.0.7

//Create the query
query := hedera.NewFileContentsQuery().
		SetFileID(newFileId)

//Sign with client operator private key and submit the query to a Hedera network
contents, err := query.Execute(client)

fmt.Println(string(contents))

//v2.0.0

// Create the query
let query = FileContentsQuery::new()
    .file_id(file_id);

// Submit the query to a Hedera network
let contents = query.execute(&client).await?;

// Print the contents to the console
println!("File contents: {:?}", String::from_utf8_lossy(&contents));

// v0.34.0

Get query values

Method	Type	Description
`getFileId()`	FileId	The ID of the file to get contents for (x.z.y)

//Create the query
FileContentsQuery query = new FileContentsQuery()
    .setFileId(newFileId);

//Get file ID
FileId getFileId = query.getFileId();

//v2.0.0

//Create the query
const query = new FileContentsQuery()
    .setFileId(newFileId);

//Get file ID
const getFileId = query.getFileId();

//Create the query
query := hedera.NewFileContentsQuery().
		SetFileID(newFileId)
		
//Get file ID
getFileId := query.GetFileID()

//v2.0.0

// Create the query
let query = FileContentsQuery::new()
    .file_id(file_id);

// Get the file ID
let file_id = query.get_file_id();

// v0.34.0