/**
* Get a TransactionRunnable for deleting an attachment.
*
* @param attachment the XWikiAttachment to delete.
* @param updateDocument whether or not to update the document at the same time.
* @param context the XWikiContext for the request.
* @return a TransactionRunnable for deleting the attachment which must be run inside of an
* XWikiHibernateTransaction
* @throws XWikiException if unable to load the attachment archive to delete.
*/
private TransactionRunnable<XWikiHibernateTransaction> getAttachmentDeleteRunnable(
final XWikiAttachment attachment, final boolean updateDocument, final XWikiContext context)
throws XWikiException {
final File attachFile =
getFilesystemStoreTools().getAttachmentFileProvider(attachment).getAttachmentContentFile();
final FilesystemStoreTools ft = getFilesystemStoreTools();
return new AttachmentDeleteTransactionRunnable(
attachment,
updateDocument,
context,
attachFile,
ft.getBackupFile(attachFile),
ft.getLockForFile(attachFile));
}
/**
* Get a TransactionRunnable for saving the attachment content. If {@link
* XWikiAttachment#getAttachment_content()} yields null, this runnable will do nothing.
*
* @param attachment the XWikiAttachment whose content should be saved.
* @param updateDocument whether or not to update the document at the same time.
* @param context the XWikiContext for the request.
* @return a TransactionRunnable for saving the attachment content in an
* XWikiHibernateTransaction.
* @throws XWikiException if thrown by AttachmentSaveTransactionRunnable()
*/
private TransactionRunnable<XWikiHibernateTransaction> getAttachmentContentSaveRunnable(
final XWikiAttachment attachment, final boolean updateDocument, final XWikiContext context)
throws XWikiException {
final XWikiAttachmentContent content = attachment.getAttachment_content();
if (content == null) {
// If content does not exist we should not blank the attachment.
return new TransactionRunnable<XWikiHibernateTransaction>();
}
// This is the permanent location where the attachment content will go.
final File attachFile =
getFilesystemStoreTools().getAttachmentFileProvider(attachment).getAttachmentContentFile();
final FilesystemStoreTools ft = getFilesystemStoreTools();
return new AttachmentSaveTransactionRunnable(
attachment,
updateDocument,
context,
attachFile,
ft.getTempFile(attachFile),
ft.getBackupFile(attachFile),
ft.getLockForFile(attachFile));
}