/** Remote folder to synchronize */
private OCFile mLocalFolder;
- /** 'True' means that the properties of the folder should be updated also, not just its content */
- private boolean mUpdateFolderProperties;
-
/** Access to the local database */
private FileDataStorageManager mStorageManager;
/** 'True' means that this operation is part of a full account synchronization */
private boolean mSyncFullAccount;
+
+ /** 'True' means that the remote folder changed from last synchronization and should be fetched */
+ private boolean mRemoteFolderChanged;
/**
*/
public SynchronizeFolderOperation( OCFile folder,
long currentSyncTime,
- boolean updateFolderProperties,
boolean syncFullAccount,
FileDataStorageManager dataStorageManager,
Account account,
Context context ) {
mLocalFolder = folder;
mCurrentSyncTime = currentSyncTime;
- mUpdateFolderProperties = updateFolderProperties;
mSyncFullAccount = syncFullAccount;
mStorageManager = dataStorageManager;
mAccount = account;
mContext = context;
mForgottenLocalFiles = new HashMap<String, String>();
+ mRemoteFolderChanged = false;
}
mFailsInFavouritesFound = 0;
mConflictsFound = 0;
mForgottenLocalFiles.clear();
+
+ result = checkForChanges(client);
+
+ if (result.isSuccess()) {
+ if (mRemoteFolderChanged) {
+ result = fetchAndSyncRemoteFolder(client);
+ } else {
+ mChildren = mStorageManager.getFolderContent(mLocalFolder);
+ }
+ }
+
+ if (!mSyncFullAccount) {
+ sendStickyBroadcast(false, mLocalFolder.getRemotePath(), result);
+ }
+
+ return result;
+
+ }
+
+
+ private RemoteOperationResult checkForChanges(WebdavClient client) {
+ mRemoteFolderChanged = false;
+ RemoteOperationResult result = null;
+ String remotePath = null;
+ PropFindMethod query = null;
+
+ try {
+ remotePath = mLocalFolder.getRemotePath();
+ Log_OC.d(TAG, "Checking changes in " + mAccount.name + remotePath);
+
+ // remote request
+ query = new PropFindMethod(client.getBaseUri() + WebdavUtils.encodePath(remotePath),
+ DavConstants.PROPFIND_ALL_PROP,
+ DavConstants.DEPTH_0);
+ int status = client.executeMethod(query);
+
+ // check and process response
+ if (isMultiStatus(status)) {
+ // parse data from remote folder
+ WebdavEntry we = new WebdavEntry(query.getResponseBodyAsMultiStatus().getResponses()[0], client.getBaseUri().getPath());
+ OCFile remoteFolder = fillOCFile(we);
+
+ // check if remote and local folder are different
+ mRemoteFolderChanged = !(remoteFolder.getEtag().equalsIgnoreCase(mLocalFolder.getEtag()));
+
+ result = new RemoteOperationResult(ResultCode.OK);
+
+ } else {
+ // check failed
+ client.exhaustResponse(query.getResponseBodyAsStream());
+ if (status == HttpStatus.SC_NOT_FOUND) {
+ removeLocalFolder();
+ }
+ result = new RemoteOperationResult(false, status, query.getResponseHeaders());
+ }
+
+ } catch (Exception e) {
+ result = new RemoteOperationResult(e);
+
+
+ } finally {
+ if (query != null)
+ query.releaseConnection(); // let the connection available for other methods
+ if (result.isSuccess()) {
+ Log_OC.i(TAG, "Checked " + mAccount.name + remotePath + " : " + (mRemoteFolderChanged ? "changed" : "not changed"));
+ } else {
+ if (result.isException()) {
+ Log_OC.e(TAG, "Checked " + mAccount.name + remotePath + " : " + result.getLogMessage(), result.getException());
+ } else {
+ Log_OC.e(TAG, "Checked " + mAccount.name + remotePath + " : " + result.getLogMessage());
+ }
+ }
+
+ }
+ return result;
+ }
+
+
+ private RemoteOperationResult fetchAndSyncRemoteFolder(WebdavClient client) {
+ RemoteOperationResult result = null;
String remotePath = null;
PropFindMethod query = null;
try {
// check and process response
if (isMultiStatus(status)) {
- boolean folderChanged = synchronizeData(query.getResponseBodyAsMultiStatus(), client);
- if (folderChanged) {
- if (mConflictsFound > 0 || mFailsInFavouritesFound > 0) {
- result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT); // should be different result, but will do the job
- } else {
- result = new RemoteOperationResult(true, status, query.getResponseHeaders());
- }
+ synchronizeData(query.getResponseBodyAsMultiStatus(), client);
+ if (mConflictsFound > 0 || mFailsInFavouritesFound > 0) {
+ result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT); // should be different result, but will do the job
} else {
- result = new RemoteOperationResult(ResultCode.OK_NO_CHANGES_ON_DIR);
+ result = new RemoteOperationResult(true, status, query.getResponseHeaders());
}
} else {
// synchronization failed
client.exhaustResponse(query.getResponseBodyAsStream());
if (status == HttpStatus.SC_NOT_FOUND) {
- if (mStorageManager.fileExists(mLocalFolder.getFileId())) {
- String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
- mStorageManager.removeFolder(mLocalFolder, true, (mLocalFolder.isDown() && mLocalFolder.getStoragePath().startsWith(currentSavePath)));
- }
+ removeLocalFolder();
}
result = new RemoteOperationResult(false, status, query.getResponseHeaders());
}
}
}
- if (!mSyncFullAccount) {
- sendStickyBroadcast(false, remotePath, result);
- }
}
-
return result;
}
+ private void removeLocalFolder() {
+ if (mStorageManager.fileExists(mLocalFolder.getFileId())) {
+ String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
+ mStorageManager.removeFolder(mLocalFolder, true, (mLocalFolder.isDown() && mLocalFolder.getStoragePath().startsWith(currentSavePath)));
+ }
+ }
+
+
/**
* Synchronizes the data retrieved from the server about the contents of the target folder
* with the current data in the local database.
* retrieved.
* @return 'True' when any change was made in the local data, 'false' otherwise.
*/
- private boolean synchronizeData(MultiStatus dataInServer, WebdavClient client) {
+ private void synchronizeData(MultiStatus dataInServer, WebdavClient client) {
// get 'fresh data' from the database
mLocalFolder = mStorageManager.getFileById(mLocalFolder.getFileId());
remoteFolder.setParentId(mLocalFolder.getParentId());
remoteFolder.setFileId(mLocalFolder.getFileId());
- // check if remote and local folder are different
- boolean folderChanged = !(remoteFolder.getEtag().equalsIgnoreCase(mLocalFolder.getEtag()));
+ Log_OC.d(TAG, "Remote folder " + mLocalFolder.getRemotePath() + " changed - starting update of local data ");
- if (!folderChanged) {
- if (mUpdateFolderProperties) { // TODO check if this is really necessary
- mStorageManager.saveFile(remoteFolder);
- }
-
- Log_OC.d(TAG, "Remote folder " + mLocalFolder.getRemotePath() + " didn't change");
- mChildren = mStorageManager.getFolderContent(mLocalFolder);
-
- } else {
- Log_OC.d(TAG, "Remote folder " + mLocalFolder.getRemotePath() + " changed - starting update of local data ");
+ List<OCFile> updatedFiles = new Vector<OCFile>(dataInServer.getResponses().length - 1);
+ List<SynchronizeFileOperation> filesToSyncContents = new Vector<SynchronizeFileOperation>();
+
+ // get current data about local contents of the folder to synchronize
+ List<OCFile> localFiles = mStorageManager.getFolderContent(mLocalFolder);
+ Map<String, OCFile> localFilesMap = new HashMap<String, OCFile>(localFiles.size());
+ for (OCFile file : localFiles) {
+ localFilesMap.put(file.getRemotePath(), file);
+ }
+
+ // loop to update every child
+ OCFile remoteFile = null, localFile = null;
+ for (int i = 1; i < dataInServer.getResponses().length; ++i) {
+ /// new OCFile instance with the data from the server
+ we = new WebdavEntry(dataInServer.getResponses()[i], client.getBaseUri().getPath());
+ remoteFile = fillOCFile(we);
+ remoteFile.setParentId(mLocalFolder.getFileId());
+
+ /// retrieve local data for the read file
+ //localFile = mStorageManager.getFileByPath(remoteFile.getRemotePath());
+ localFile = localFilesMap.remove(remoteFile.getRemotePath());
- List<OCFile> updatedFiles = new Vector<OCFile>(dataInServer.getResponses().length - 1);
- List<SynchronizeFileOperation> filesToSyncContents = new Vector<SynchronizeFileOperation>();
-
- // get current data about local contents of the folder to synchronize
- List<OCFile> localFiles = mStorageManager.getFolderContent(mLocalFolder);
- Map<String, OCFile> localFilesMap = new HashMap<String, OCFile>(localFiles.size());
- for (OCFile file : localFiles) {
- localFilesMap.put(file.getRemotePath(), file);
+ /// add to the remoteFile (the new one) data about LOCAL STATE (not existing in the server side)
+ remoteFile.setLastSyncDateForProperties(mCurrentSyncTime);
+ if (localFile != null) {
+ // some properties of local state are kept unmodified
+ remoteFile.setFileId(localFile.getFileId());
+ remoteFile.setKeepInSync(localFile.keepInSync());
+ remoteFile.setLastSyncDateForData(localFile.getLastSyncDateForData());
+ remoteFile.setModificationTimestampAtLastSyncForData(localFile.getModificationTimestampAtLastSyncForData());
+ remoteFile.setStoragePath(localFile.getStoragePath());
+ remoteFile.setEtag(localFile.getEtag()); // eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
+ } else {
+ remoteFile.setEtag(""); // remote eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
}
-
- // loop to update every child
- OCFile remoteFile = null, localFile = null;
- for (int i = 1; i < dataInServer.getResponses().length; ++i) {
- /// new OCFile instance with the data from the server
- we = new WebdavEntry(dataInServer.getResponses()[i], client.getBaseUri().getPath());
- remoteFile = fillOCFile(we);
- remoteFile.setParentId(mLocalFolder.getFileId());
-
- /// retrieve local data for the read file
- //localFile = mStorageManager.getFileByPath(remoteFile.getRemotePath());
- localFile = localFilesMap.remove(remoteFile.getRemotePath());
-
- /// add to the remoteFile (the new one) data about LOCAL STATE (not existing in the server side)
- remoteFile.setLastSyncDateForProperties(mCurrentSyncTime);
- if (localFile != null) {
- // some properties of local state are kept unmodified
- remoteFile.setFileId(localFile.getFileId());
- remoteFile.setKeepInSync(localFile.keepInSync());
- remoteFile.setLastSyncDateForData(localFile.getLastSyncDateForData());
- remoteFile.setModificationTimestampAtLastSyncForData(localFile.getModificationTimestampAtLastSyncForData());
- remoteFile.setStoragePath(localFile.getStoragePath());
- remoteFile.setEtag(localFile.getEtag()); // eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
- } else {
- remoteFile.setEtag(""); // remote eTag will not be updated unless contents are synchronized (Synchronize[File|Folder]Operation with remoteFile as parameter)
- }
- /// check and fix, if needed, local storage path
- checkAndFixForeignStoragePath(remoteFile); // fixing old policy - now local files must be copied into the ownCloud local folder
- searchForLocalFileInDefaultPath(remoteFile); // legacy
-
- /// prepare content synchronization for kept-in-sync files
- if (remoteFile.keepInSync()) {
- SynchronizeFileOperation operation = new SynchronizeFileOperation( localFile,
- remoteFile,
- mStorageManager,
- mAccount,
- true,
- mContext
- );
- filesToSyncContents.add(operation);
- }
-
- updatedFiles.add(remoteFile);
+ /// check and fix, if needed, local storage path
+ checkAndFixForeignStoragePath(remoteFile); // fixing old policy - now local files must be copied into the ownCloud local folder
+ searchForLocalFileInDefaultPath(remoteFile); // legacy
+
+ /// prepare content synchronization for kept-in-sync files
+ if (remoteFile.keepInSync()) {
+ SynchronizeFileOperation operation = new SynchronizeFileOperation( localFile,
+ remoteFile,
+ mStorageManager,
+ mAccount,
+ true,
+ mContext
+ );
+ filesToSyncContents.add(operation);
}
+
+ updatedFiles.add(remoteFile);
+ }
- // save updated contents in local database; all at once, trying to get a best performance in database update (not a big deal, indeed)
- mStorageManager.saveFolder(remoteFolder, updatedFiles, localFilesMap.values());
+ // save updated contents in local database; all at once, trying to get a best performance in database update (not a big deal, indeed)
+ mStorageManager.saveFolder(remoteFolder, updatedFiles, localFilesMap.values());
- // request for the synchronization of file contents AFTER saving current remote properties
- startContentSynchronizations(filesToSyncContents, client);
+ // request for the synchronization of file contents AFTER saving current remote properties
+ startContentSynchronizations(filesToSyncContents, client);
- // removal of obsolete files
- //removeObsoleteFiles();
-
- // must be done AFTER saving all the children information, so that eTag is not updated in the database in case of unexpected exceptions
- //mStorageManager.saveFile(remoteFolder);
- mChildren = updatedFiles;
-
- }
-
- return folderChanged;
+ // removal of obsolete files
+ //removeObsoleteFiles();
+
+ // must be done AFTER saving all the children information, so that eTag is not updated in the database in case of unexpected exceptions
+ //mStorageManager.saveFile(remoteFolder);
+ mChildren = updatedFiles;
}
mContext.sendStickyBroadcast(i);
}
+
+ public boolean getRemoteFolderChanged() {
+ return mRemoteFolderChanged;
+ }
+
}