FileStorage (Nuxeo 2021.53.3 API Documentation)

All Known Implementing Classes:

AzureFileStorage, GoogleStorageBinaryManager.GCPFileStorage, S3BinaryManager.S3FileStorage
```
public interface FileStorage
```
Interface to store a file or fetch a file or its length.

Since:

5.9.2

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`exists(String key)`	Does a blob with the given key exist in the storage.
`boolean`	`fetchFile(String key, File file)`	Fetches a file based on its key.
`void`	`storeFile(String key, File file)`	Stores a file based on a key.

- Method Detail
  - storeFile
```
void storeFile(String key,
               File file)
        throws IOException
```
    Stores a file based on a key.
    
    Parameters:
    
    key - the file key
    
    file - the file
    
    Throws:
    
    IOException - if a storage error occurred
  - fetchFile
```
boolean fetchFile(String key,
                  File file)
           throws IOException
```
    Fetches a file based on its key.
    
    Parameters:
    
    key - the file key
    
    file - the file to use to store the fetched data
    
    Returns:
    
    true if the file was fetched, false if the file was not found
    
    Throws:
    
    IOException - if a storage error occurred
  - exists
```
default boolean exists(String key)
```
    Does a blob with the given key exist in the storage.
    The existence of the blob is checked in the storage where the blob is effectively stored. Intermediate cache is ignored.
    
    Parameters:
    
    key - the blob key
    
    Returns:
    
    true if it exists in the storage
    
    Since:
    
    2023