/**
* Remove mapping for a given localId
*
* @throws ServiceException
*/
public void removeTagMapping(int tagId) throws ServiceException {
// delete the mapping if it was needed and exists
if (mappingRequired) {
try {
DataSourceMapping mapping = new DataSourceMapping(tagDs, tagId);
mapping.delete();
localIdFromRemote.remove(Integer.valueOf(mapping.getRemoteId()));
remoteIdFromLocal.remove(tagId);
if (localIdsByName.containsValue(tagId)) {
Set<String> keysToRemove =
new HashSet<
String>(); // should only be one, but naming conflicts might end up with more..
for (Entry<String, Integer> entry : localIdsByName.entrySet()) {
if (entry.getValue().equals(tagId)) {
keysToRemove.add(entry.getKey());
}
}
for (String key : keysToRemove) {
localIdsByName.remove(key);
}
}
OfflineLog.offline.debug("removed tag mapping for localId %d", tagId);
// TODO: consider the case where we have > 63 tags.
// we can move one of the overflow tags into a free slot, but we also have to apply the tag
// to existing messages
} catch (ServiceException se) {
if (!MailServiceException.NO_SUCH_ITEM.equals(se.getCode())) {
throw se;
}
}
}
}
/**
* Translate a delimted list of tag names to a delimited list of correponding local tagIds
*
* @throws ServiceException
*/
public String localTagsFromNames(String tagNames, String inDelim, String outDelim)
throws ServiceException {
if (tagNames != null && tagNames.length() > 0) {
StringBuilder sb = new StringBuilder();
String[] names = tagNames.split(inDelim);
for (String name : names) {
if (name.trim().length() <= 0) {
continue;
}
Integer tagId = localIdsByName.get(name);
if (tagId == null) {
try {
Tag tag = mbox.getTagByName(null, name);
tagId = tag.getId();
localIdsByName.put(name, tagId);
} catch (MailServiceException mse) {
if (MailServiceException.NO_SUCH_TAG.equals(mse.getCode())) {
OfflineLog.offline.debug(
"message has tag [" + name + "] which is not visible locally");
continue;
} else {
throw mse;
}
}
}
sb.append(tagId).append(outDelim);
}
if (sb.length() >= outDelim.length()) {
sb.setLength(sb.length() - outDelim.length());
}
return sb.toString();
} else {
return tagNames;
}
}
private void mapTagInternal(int remote, int id) throws ServiceException {
DataSourceMapping mapping =
new DataSourceMapping(tagDs, Mailbox.ID_FOLDER_TAGS, id, remote + "");
mapping.add();
localIdFromRemote.put(remote, id);
remoteIdFromLocal.put(id, remote);
OfflineLog.offline.debug("added mapping from remote %s to local %d", remote, id);
}
/**
* Return true if a mapping already exists for a given remoteId
*
* @throws ServiceException
*/
public boolean mappingExists(int remoteId) throws ServiceException {
if (localIdFromRemote.get(remoteId) != null) {
return true;
}
try {
DataSourceMapping mapping = new DataSourceMapping(tagDs, remoteId + "");
localIdFromRemote.put(remoteId, mapping.getItemId());
return true;
} catch (NoSuchItemException e) {
return false;
}
}
/**
* Map a tag in the overflow range (i.e. > 127). These tags will never be visible in ZD but are
* tracked internally
*
* @throws ServiceException
*/
public void mapOverflowTag(int remote) throws ServiceException {
int max = TAG_ID_OFFSET;
Collection<DataSourceItem> items =
DataSourceDbMapping.getInstance().getAllMappingsInFolder(tagDs, Mailbox.ID_FOLDER_TAGS);
for (DataSourceItem item : items) {
if (item.itemId > max) {
max = item.itemId;
}
}
int overflowId = max + 1;
mapTagInternal(remote, overflowId);
localIdFromRemote.put(remote, overflowId);
remoteIdFromLocal.put(overflowId, remote);
OfflineLog.offline.debug(
"added mapping from remote %s to (hidden) local %d", remote, overflowId);
}
/**
* Get the local ID corresponding to remote tagId
*
* @throws ServiceException
*/
public int localTagId(int id) throws ServiceException {
if (!isMappingRequired(id)) {
return id;
}
try {
if (localIdFromRemote.containsKey(id)) {
return localIdFromRemote.get(id);
}
DataSourceMapping mapping = new DataSourceMapping(tagDs, id + "");
OfflineLog.offline.debug("got localId %d from remote %d", mapping.getItemId(), id);
localIdFromRemote.put(id, mapping.getItemId());
return mapping.getItemId();
} catch (ServiceException se) {
if (MailServiceException.NO_SUCH_ITEM.equals(se.getCode())) {
return -1;
}
throw se;
}
}
/**
* Get the remoteId corresponding to local tagId
*
* @throws ServiceException
*/
public int remoteTagId(int id) throws ServiceException {
if (mappingRequired) {
if (remoteIdFromLocal.containsKey(id)) {
return remoteIdFromLocal.get(id);
}
try {
DataSourceMapping mapping = new DataSourceMapping(tagDs, id);
int remoteId = Integer.valueOf(mapping.getRemoteId());
OfflineLog.offline.debug("got remoteId %d from localId %d", remoteId, id);
remoteIdFromLocal.put(id, remoteId);
return remoteId;
} catch (ServiceException se) {
if (MailServiceException.NO_SUCH_ITEM.equals(se.getCode())) {
return -1;
}
throw se;
}
} else {
return id;
}
}
