com.vaadin.flow.server.

java.lang.Object
- com.vaadin.flow.server.PwaRegistry

All Implemented Interfaces:

Serializable
```
public class PwaRegistry
extends Object
implements Serializable
```
Registry for PWA data. Includes:
- PwaConfiguration - basic info
- List of PwaIcon:s - different sizes of icons for header and manifest
- Offline page
- Manifest json
- Service worker
Since:

1.2

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static String WORKBOX_FOLDER

Method Summary

All Methods
Modifier and Type	Method and Description
`List<PwaIcon>`	`getHeaderIcons()` List of `PwaIcon`:s that should be added to header.
`List<PwaIcon>`	`getIcons()` List of all icons managed by `PwaRegistry`.
`String`	`getInstallPrompt()` Html and js needed for pwa install prompt as a plain string.
`static PwaRegistry`	`getInstance(ServletContext servletContext)` Gets the pwa registry for the given servlet context.
`List<PwaIcon>`	`getManifestIcons()` List of `PwaIcon`:s that should be added to manifest.webmanifest.
`String`	`getManifestJson()` manifest.webmanifest contents as a String.
`String`	`getOfflineHtml()` Static offline page as String.
`PwaConfiguration`	`getPwaConfiguration()`
`String`	`getServiceWorkerJs()` sw.js (service worker javascript) as String.
`String`	`offlinePageCache()` Google Workbox cache resource String of offline page.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - WORKBOX_FOLDER
```
public static final String WORKBOX_FOLDER
```
    See Also:
    
    Constant Field Values
- Method Detail
  - getInstance
```
public static PwaRegistry getInstance(ServletContext servletContext)
```
    Gets the pwa registry for the given servlet context. If the servlet context has no pwa registry, a new instance is created and assigned to the context.
    
    Parameters:
    
    servletContext - the servlet context for which to get a route registry, not null
    
    Returns:
    
    a registry instance for the given servlet context, not null
  - getOfflineHtml
```
public String getOfflineHtml()
```
    Static offline page as String.
    
    Returns:
    
    contents of offline page
  - getManifestJson
```
public String getManifestJson()
```
    manifest.webmanifest contents as a String.
    
    Returns:
    
    contents of manifest.webmanifest
  - getServiceWorkerJs
```
public String getServiceWorkerJs()
```
    sw.js (service worker javascript) as String.
    
    Returns:
    
    contents of sw.js
  - offlinePageCache
```
public String offlinePageCache()
```
    Google Workbox cache resource String of offline page. example: {url: 'offline.html', revision: '1234567'}
    
    Returns:
    
    Google Workbox cache resource String of offline page
  - getInstallPrompt
```
public String getInstallPrompt()
```
    Html and js needed for pwa install prompt as a plain string.
    
    Returns:
    
    Html and js needed for pwa install prompt
  - getHeaderIcons
```
public List<PwaIcon> getHeaderIcons()
```
    List of PwaIcon:s that should be added to header.
    
    Returns:
    
    List of PwaIcon:s that should be added to header
  - getManifestIcons
```
public List<PwaIcon> getManifestIcons()
```
    List of PwaIcon:s that should be added to manifest.webmanifest.
    
    Returns:
    
    List of PwaIcon:s that should be added to manifest.webmanifest
  - getIcons
```
public List<PwaIcon> getIcons()
```
    List of all icons managed by PwaRegistry.
    
    Returns:
    
    List of all icons managed by PwaRegistry
  - getPwaConfiguration
```
public PwaConfiguration getPwaConfiguration()
```

com.vaadin.flow.server.

Class PwaRegistry

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

WORKBOX_FOLDER

Method Detail

getInstance

getOfflineHtml

getManifestJson

getServiceWorkerJs

offlinePageCache

getInstallPrompt

getHeaderIcons

getManifestIcons

getIcons

getPwaConfiguration