sirius.web.util

Class QRCodeController

java.lang.Object

sirius.web.util.QRCodeController

All Implemented Interfaces:

Controller

public class QRCodeController
extends Object
implements Controller

Used to generate QR codes by responding to /qr

Constructor Summary

Constructors

Constructor and Description
QRCodeController()

Method Summary

Modifier and Type	Method and Description
void	onError(WebContext ctx, sirius.kernel.health.HandledException error) In case processing a request via a method fails (throws an exception), this method will be called.
void	qr(WebContext ctx) Creates an QR code for the given content.

Methods inherited from class java.lang.Object

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

Constructor Detail

QRCodeController

public QRCodeController()

Method Detail

onError

public void onError(WebContext ctx,
                    sirius.kernel.health.HandledException error)

Description copied from interface: Controller

In case processing a request via a method fails (throws an exception), this method will be called.

This provides a convenient way to render a "fallback" page like a list view, if a specialized details view or something thereof fails.

Specified by:

onError in interface Controller

Parameters:

ctx - the context containing the request

error - the error which occurred

qr

public void qr(WebContext ctx)
        throws Exception

Creates an QR code for the given content.

The parameter content determines the contents of the qr code. The parameters with and height its dimensions.

Parameters:

ctx - the current request

Throws:

Exception - in case an error occures when generatng the qr code