Package org.vaadin.firitin.components

Interface DynamicFileDownloader.FileNameGenerator

All Superinterfaces:

Serializable

Enclosing class:

DynamicFileDownloader

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface DynamicFileDownloader.FileNameGenerator
extends Serializable

Generates name dynamically per request. Override for example to add timestamps to the names of the downloaded files or to configure response headers (executed during download, but before writing the actual response body).

Method Summary

Modifier and Type	Method	Description
String	getFileName(com.vaadin.flow.server.VaadinRequest request)	Creates the filename for the downloaded files.

Method Details

getFileName

String getFileName(com.vaadin.flow.server.VaadinRequest request)

Creates the filename for the downloaded files.

Called by the framework when download is requested by browser, just before the file body is generated.

Parameters:

request - the request object

Returns:

the file name to be used in the Content-Disposition header