com.whitestein.lsps.vaadin.util

Class WResource

java.lang.Object

com.whitestein.lsps.vaadin.util.WResource

public class WResource
extends Object

Converts LSPS resources to Vaadin resources.

Author:

mvy

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	WResource.WFileResource A resource representing a file.

Constructor Summary

Constructors

Constructor and Description
WResource()

Method Summary

Modifier and Type	Method and Description
static com.vaadin.server.Resource	convert(RecordHolder resource, boolean forceSave) Converts an LSPS resource to a Vaadin resource representation.
static RecordHolder	convert(com.vaadin.server.Resource resource, Namespace namespace) Converts a Vaadin representation of a resource to an LSPS resource.
static com.vaadin.server.Resource	convert(Variant.RecordVariant resource, boolean forceSave) Converts the resource to a Vaadin resource.

Methods inherited from class java.lang.Object

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

Constructor Detail

WResource

public WResource()

Method Detail

convert

public static com.vaadin.server.Resource convert(RecordHolder resource,
                                                 boolean forceSave)

Converts an LSPS resource to a Vaadin resource representation.

Parameters:

resource - the LSPS resource to convert

forceSave - true if the resource should be downloaded by the browser instead of shown.

Returns:

converted resource

convert

public static com.vaadin.server.Resource convert(Variant.RecordVariant resource,
                                                 boolean forceSave)

Converts the resource to a Vaadin resource. Fails if unknown Resource record is passed.

Parameters:

resource - the uicommon::Resource record.

forceSave - if true, this is a download link. If false, the contents is going to be simply displayed, e.g. by the WImage component

Returns:

the resource, null if the resource is absent.

convert

public static RecordHolder convert(com.vaadin.server.Resource resource,
                                   Namespace namespace)

Converts a Vaadin representation of a resource to an LSPS resource.

Parameters:

resource - the resource to convert

namespace - the namespace which will be used to create resources of type extending uicommon::Resource. The namespace must be able to create the resource records otherwise this method fails with a RuntimeException.

Returns:

a record representing the Vaadin resource