@Transactional
public Set<Document> retrieveAllDocumentsInFolder(String folderName, User user)
throws InsufficientPrivilagesException {
Folder f = folderDao.getFolderByPath(folderName, user);
if (!f.canRead(user)) throw new InsufficientPrivilagesException();
Set<Document> docs = f.getDocs();
return docs;
}
@Transactional
public Document getDocumentByPath(String path, User user) throws InsufficientPrivilagesException {
int lastSlash = path.lastIndexOf('/');
String folderPath = path.substring(0, lastSlash);
Folder f = folderDao.getFolderByPath(folderPath, user);
if (!f.canRead(user)) throw new InsufficientPrivilagesException();
Document doc = f.getDocumentByName(path.substring(lastSlash + 1));
return doc;
}
@Transactional
public void createDocument(Document info, String folder, InputStream docData, User user)
throws IOException {
boolean created = false;
File file = null;
try {
info.setId(null);
documentDao.makePersistent(info);
String uuid = UUID.randomUUID().toString();
file = new File(docsFolderPath + uuid);
while (file.exists()) {
uuid = UUID.randomUUID().toString();
file = new File(docsFolderPath + uuid);
}
created = file.createNewFile();
info.setUuid(uuid);
Folder f = folderDao.getFolderByPath(folder, user);
if (f == null) {
if (folder != null && !folder.equals("")) {
f = new Folder();
f.setPath(folder);
folderDao.makePersistent(f);
}
}
if (f == null) {
throw new IOException("Internal Error");
}
if (!f.canWrite(user)) throw new InsufficientPrivilagesException();
f.getDocs().add(info);
Integer id = info.getId();
OutputStream out = new FileOutputStream(file);
ByteUtils.write(docData, out);
out.flush();
out.close();
File fi = new File(docsFolderPath + id);
info.setSize((int) fi.length());
documentDao.makePersistent(info);
} catch (Throwable t) {
if (created && file != null) {
file.delete();
}
throw new RuntimeException(t);
}
}
@Transactional
public void deleteDocument(String path, User user) throws InsufficientPrivilagesException {
String folderPath = path.substring(0, path.lastIndexOf('/'));
Folder f = getFolderByPath(folderPath, user);
if (!f.getOwner().getUsername().equals(user.getUsername()) && !f.canWrite(user))
throw new InsufficientPrivilagesException(
"User " + user + " does not have permission to delete documents from this folder");
Document doc = f.getDocumentByName(path.substring(path.lastIndexOf('/') + 1));
File docFile = new File(docsFolderPath + doc.getUuid());
f.removeDocument(doc);
documentDao.makeTransient(doc);
docFile.delete();
}
@Transactional
public Folder createFolder(String path, User user)
throws IllegalPathException, FolderAlreadyExistsException, InsufficientPrivilagesException {
if (path.equals("/")) throw new FolderAlreadyExistsException("Folder: '" + path + "'");
int lastIndex = path.lastIndexOf('/');
while (lastIndex == path.length() - 1 && lastIndex > 0) {
path = path.substring(0, path.length() - 1);
lastIndex = path.lastIndexOf('/');
}
if (lastIndex < 0) {
throw new IllegalPathException("Illegal Path");
}
String parentPath = path.substring(0, lastIndex);
String lastPart = path.substring(lastIndex + 1);
Folder parent = getFolderByPath(parentPath, user);
if (!parent.canWrite(user)) throw new InsufficientPrivilagesException();
return parent.addSubFolder(lastPart);
}