Package edu.cornell.mannlib.vitro.webapp.filestorage

Class UploadedFileHelper

java.lang.Object

edu.cornell.mannlib.vitro.webapp.filestorage.UploadedFileHelper

public class UploadedFileHelper
extends Object

A helper object to handle the mundane details of dealing with uploaded files in the model.

Constructor Summary

Constructors

Constructor	Description
UploadedFileHelper(FileStorage fileStorage, WebappDaoFactory wadf, javax.servlet.ServletContext ctx)

Method Summary

Modifier and Type	Method	Description
void	attachFileToSubject(FileInfo fileInfo, String subjectUri, String predicateUri)
FileInfo	createFile(String filename, String mimeType, InputStream inputStream)	We have a filename, a mimetype, and some content.
void	removeMainImage(Individual entity)	If this Individual has an image, remove it and the thumbnail.
void	removeUploadedFile(String subjectUri, String predicateUri, String fileUri)
void	setImagesOnEntity(String entityUri, FileInfo mainInfo, FileInfo thumbInfo)	Record this image file and thumbnail on this entity.
void	setPublicFileName(FileInfo fileInfo, String uploadedFileName)

Methods inherited from class java.lang.Object

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

Constructor Detail

UploadedFileHelper

public UploadedFileHelper(FileStorage fileStorage,
                          WebappDaoFactory wadf,
                          javax.servlet.ServletContext ctx)

Method Detail

createFile

public FileInfo createFile(String filename,
                           String mimeType,
                           InputStream inputStream)
                    throws FileAlreadyExistsException,
                           IOException

We have a filename, a mimetype, and some content. Create a file in the file storage system and in the model.

Returns:

information about the newly created file.

Throws:

FileAlreadyExistsException

IOException

setImagesOnEntity

public void setImagesOnEntity(String entityUri,
                              FileInfo mainInfo,
                              FileInfo thumbInfo)

Record this image file and thumbnail on this entity.

removeMainImage

public void removeMainImage(Individual entity)

If this Individual has an image, remove it and the thumbnail. If the image file and/or the thumbnail file have no other references, delete them. Note: after this operation, entity is stale.

removeUploadedFile

public void removeUploadedFile(String subjectUri,
                               String predicateUri,
                               String fileUri)

attachFileToSubject

public void attachFileToSubject(FileInfo fileInfo,
                                String subjectUri,
                                String predicateUri)

setPublicFileName

public void setPublicFileName(FileInfo fileInfo,
                              String uploadedFileName)