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Get file contents
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
Constructor | Description |
|---|---|
new FileContentsQuery() | Initializes a FileContentsQuery object |
new FileContentsQuery()
V1
Method | Type | Description |
|---|---|---|
setFileId(<fileId>) | FileId | The ID of the file to get contents for (x.z.y) |
Java
//Create the query
FileContentsQuery query = new FileContentsQuery()
.setFileId(newFileId);
//Sign with client operator private key and submit the query to a Hedera network
byte [] contents = query.execute(client);
//Change to Utf-8 encoding
String contentsToUtf8 = contents.toStringUtf8();
System.out.println(contentsToUtf8);
//v1.3.2
JavaScript
//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);
V2
Method | Type | Description |
|---|---|---|
getFileId() | FileId | The ID of the file to get contents for (x.z.y) |
Java
//Create the query
FileContentsQuery query = new FileContentsQuery()
.setFileId(newFileId);
//Get file ID
FileId getFileId = query.getFileId();
//v2.0.0
JavaScript
//Create the query
const query = new FileContentsQuery()
.setFileId(newFileId);
//Get file ID
const getFileId = query.getFileId();
Go
//Create the query
query := hedera.NewFileContentsQuery().
SetFileID(newFileId)
//Get file ID
getFileId := query.GetFileID()
//v2.0.0
Last modified 1yr ago