File (OpenXava 7.4.5 API)

```
@Retention(RUNTIME)
@Target({FIELD,METHOD})
public @interface File
```
The user can upload a file in this property, so the file is attached to the entity.
If the uploaded file is an image, an image preview is shown. The user can download the file or see the image (if it is an image) just clicking. The data type is String with a length of 32. Applies to properties.
Example:
```
  @File
  @Column(length=32)
  private String document;
 
```
It's synonymous of @Stereotype("FILE").
Since:

6.6

Author:

Javier Paniza

Optional Element Summary

Optional Elements
Modifier and Type	Optional Element	Description
`java.lang.String`	`acceptFileTypes`	Comma separated list of accepted mime types.
`long`	`maxFileSizeInKb`	Maximum size of the file to upload in Kb.

- Element Detail
  - acceptFileTypes
```
java.lang.String acceptFileTypes
```
    Comma separated list of accepted mime types.
    If the uploaded file does not match with specified types the file is rejected.
    For example, with this code:
    Default:
    
    ""
- - maxFileSizeInKb
```
long maxFileSizeInKb
```
    Maximum size of the file to upload in Kb.
    If the uploaded file is greater than the specified size the file is rejected.
    For example, with this code:
    Default:
    
    -1L