info.magnolia.ui.contentapp.preview

Class JcrPreviewProvider

java.lang.Object

info.magnolia.ui.contentapp.preview.JcrPreviewProvider

All Implemented Interfaces:

PreviewProvider<javax.jcr.Item>

public class JcrPreviewProvider
extends Object
implements PreviewProvider<javax.jcr.Item>

This implementation of PreviewProvider provides portrait or thumbnail images for JCR-based content.

It expects a given Node to have a binary sub-node named according to info.magnolia.ui.contentapp.preview.JcrPreviewDefinition#getNodeName(), and will only resolve images when the binary is of mime-type image/*. It also relies on imaging module to generate and store the preview images.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JcrPreviewProvider.LinkProvider Stub class for testing getResource method.

Method Summary

Modifier and Type	Method and Description
Optional<com.vaadin.server.Resource>	getResource(javax.jcr.Item item) Gets an image preview for the content represented by the given item.

Methods inherited from class java.lang.Object

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

Method Detail

getResource

public Optional<com.vaadin.server.Resource> getResource(javax.jcr.Item item)

Description copied from interface: PreviewProvider

Gets an image preview for the content represented by the given item.

Specified by:

getResource in interface PreviewProvider<javax.jcr.Item>

Parameters:

item - item to get preview for

Returns:

a Vaadin Resource