private void visitEntry(final Entry entry, DropboxEntryVisitor visitor) {
if (null != entry.contents) {
logger.debug(entry.path + "contents size: " + entry.contents.size());
for (Entry child : entry.contents) {
if (!child.isDeleted) {
if (!child.isDir) {
visitor.visitFile(child);
} else {
try {
visitor.preVisitDirectory(child);
} catch (IOException e) {
logger.error(e.getMessage());
}
try {
Entry childWithContents =
api.metadata(
child.path,
0,
MetaHandler.getHash(child.path),
true,
MetaHandler.getRev(child.path));
visitEntry(childWithContents, visitor);
} catch (DropboxException e) {
logger.error(e.getMessage());
}
visitor.postVisitDirectory(child);
}
}
}
}
}
private void syncStorage() {
try {
logger.debug("Synching storage.");
final String rootDir = "/";
Entry folderEntry =
api.metadata(rootDir, 0, MetaHandler.getHash(rootDir), true, MetaHandler.getRev(rootDir));
// TODO handle removed entries
visitEntry(
folderEntry,
new DropboxEntryVisitor() {
@Override
public void preVisitDirectory(Entry entry) throws IOException {
if (!MetaHandler.isStored(entry.path)) {
logger.debug("Creating local dir: " + entry.path);
Path filePath =
FileSystems.getDefault().getPath(startDir.toString(), entry.path.substring(1));
WatchKey key =
filePath
.getParent()
.register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
keys.remove(key);
key.cancel();
filePath.toFile().mkdir();
key =
filePath
.getParent()
.register(watcher, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY);
keys.put(key, filePath.getParent());
MetaHandler.setFile(entry.path, filePath.toFile(), entry.rev);
}
}
@Override
public void visitFile(Entry entry) {
if (!MetaHandler.isStored(entry.path)) downloadFile(entry.path);
else if (!MetaHandler.isCurrent(entry.path, entry.rev)) {
Path fullPath =
FileSystems.getDefault().getPath(startDir.toString(), entry.path.substring(1));
try {
logger.debug("Uploading file " + entry.path);
uploadFile(entry.path, fullPath);
} catch (Exception e) {
logger.error("Error uploading file: " + e.getMessage());
}
}
}
});
} catch (DropboxException ex) {
logger.error("Error syching root dir: " + ex.getMessage());
}
}