Package com.vaadin.flow.server

Class UnsupportedBrowserHandler

java.lang.Object

com.vaadin.flow.server.SynchronizedRequestHandler

com.vaadin.flow.server.UnsupportedBrowserHandler

All Implemented Interfaces:

RequestHandler, Serializable

public class UnsupportedBrowserHandler
extends SynchronizedRequestHandler

A RequestHandler that presents an informative page if the browser in use is unsupported.

Since:

1.0

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static String	CLOSING_BRACKET
static String	FORCE_LOAD_COOKIE	Cookie used to ignore browser checks.

Constructor Summary

Constructors

Constructor	Description
UnsupportedBrowserHandler()

Method Summary

Modifier and Type	Method	Description
boolean	synchronizedHandleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response)	Identical to SynchronizedRequestHandler.handleRequest(VaadinSession, VaadinRequest, VaadinResponse) except the VaadinSession is locked before this is called and unlocked after this has completed.
protected void	writeBrowserTooOldPage(VaadinRequest request, VaadinResponse response)	Writes a page encouraging the user to upgrade to a more current browser.

Methods inherited from class com.vaadin.flow.server.SynchronizedRequestHandler

canHandleRequest, handleRequest

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FORCE_LOAD_COOKIE

public static final String FORCE_LOAD_COOKIE

Cookie used to ignore browser checks.

See Also:

Constant Field Values

CLOSING_BRACKET

public static final String CLOSING_BRACKET

See Also:

Constant Field Values

Constructor Detail

UnsupportedBrowserHandler

public UnsupportedBrowserHandler()

Method Detail

synchronizedHandleRequest

public boolean synchronizedHandleRequest(VaadinSession session,
                                         VaadinRequest request,
                                         VaadinResponse response)
                                  throws IOException

Description copied from class: SynchronizedRequestHandler

Identical to SynchronizedRequestHandler.handleRequest(VaadinSession, VaadinRequest, VaadinResponse) except the VaadinSession is locked before this is called and unlocked after this has completed.

Specified by:

synchronizedHandleRequest in class SynchronizedRequestHandler

Parameters:

session - The session for the request

request - The request to handle

response - The response object to which a response can be written.

Returns:

true if a response has been written and no further request handlers should be called, otherwise false

Throws:

IOException - If an IO error occurred

See Also:

SynchronizedRequestHandler.handleRequest(VaadinSession, VaadinRequest, VaadinResponse)

writeBrowserTooOldPage

protected void writeBrowserTooOldPage(VaadinRequest request,
                                      VaadinResponse response)
                               throws IOException

Writes a page encouraging the user to upgrade to a more current browser.

Parameters:

request - The request to handle

response - The response object to which a response can be written.

Throws:

IOException - if an IO error occurred