Package de.xima.fc.gui.common.bean

Class FilePreviewHelperBean

java.lang.Object

de.xima.fc.gui.common.bean.FilePreviewHelperBean

All Implemented Interfaces:

Serializable

@Named
@RequestScoped
public class FilePreviewHelperBean
extends Object
implements Serializable

Helper bean for file preview providers, to be used in the context of a JSF view. It provides methods to resolve preview and download content for a given file preview provider, as well as to create and resolve preview provider IDs used for dynamic resource requests. The bean stores a map of preview providers in the user session, which is used to resolve providers by their generated IDs.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
FilePreviewHelperBean()

Method Summary

Modifier and Type	Method	Description
String	createPreviewResourceParams(IFilePreviewProvider<?> provider, Object file)
org.primefaces.model.StreamedContent	getDownloadContent(IFilePreviewProvider<?> provider, Object file)
org.primefaces.model.StreamedContent	getPreviewContent()
org.primefaces.model.StreamedContent	getPreviewContent(IFilePreviewProvider<?> provider)
String	getPreviewProviderId(IFilePreviewProvider<?> provider)
String	getPreviewVersion(IFilePreviewProvider<?> provider, Object file)
boolean	hasPreviewProvider(IFilePreviewProvider<?> provider)
boolean	isPreviewableImage(IFilePreviewProvider<?> provider, Object file)

Methods inherited from class java.lang.Object

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

Constructor Detail

FilePreviewHelperBean

public FilePreviewHelperBean()

Method Detail

hasPreviewProvider

public boolean hasPreviewProvider(IFilePreviewProvider<?> provider)

isPreviewableImage

public boolean isPreviewableImage(IFilePreviewProvider<?> provider,
                                  Object file)

getPreviewContent

public org.primefaces.model.StreamedContent getPreviewContent(IFilePreviewProvider<?> provider)

getPreviewProviderId

public String getPreviewProviderId(IFilePreviewProvider<?> provider)

getPreviewContent

public org.primefaces.model.StreamedContent getPreviewContent()

createPreviewResourceParams

public String createPreviewResourceParams(IFilePreviewProvider<?> provider,
                                          Object file)

getDownloadContent

public org.primefaces.model.StreamedContent getDownloadContent(IFilePreviewProvider<?> provider,
                                                               Object file)

getPreviewVersion

public String getPreviewVersion(IFilePreviewProvider<?> provider,
                                Object file)