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@@ -1,552 +0,0 @@
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-/**
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- * ownCloud Android client application
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- *
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- * @author David A. Velasco
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- * Copyright (C) 2015 ownCloud Inc.
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- *
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- * This program is free software: you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2,
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- * as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program. If not, see <http://www.gnu.org/licenses/>.
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- *
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- */
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-
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-package com.owncloud.android.operations;
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-
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-import java.io.File;
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-import java.util.ArrayList;
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-import java.util.HashMap;
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-import java.util.List;
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-import java.util.Map;
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-import java.util.Vector;
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-
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-import android.accounts.Account;
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-import android.content.Context;
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-import android.content.Intent;
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-import android.util.Log;
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-
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-
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-import com.owncloud.android.datamodel.FileDataStorageManager;
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-import com.owncloud.android.datamodel.OCFile;
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-import com.owncloud.android.files.services.FileDownloader;
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-import com.owncloud.android.lib.common.OwnCloudClient;
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-import com.owncloud.android.lib.common.operations.OperationCancelledException;
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-import com.owncloud.android.lib.common.operations.RemoteOperationResult;
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-import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
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-import com.owncloud.android.lib.common.utils.Log_OC;
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-import com.owncloud.android.lib.resources.files.ReadRemoteFileOperation;
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-import com.owncloud.android.lib.resources.files.ReadRemoteFolderOperation;
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-import com.owncloud.android.lib.resources.files.RemoteFile;
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-import com.owncloud.android.operations.common.SyncOperation;
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-import com.owncloud.android.services.OperationsService;
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-import com.owncloud.android.utils.FileStorageUtils;
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-
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-import java.util.concurrent.atomic.AtomicBoolean;
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-
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-//import android.support.v4.content.LocalBroadcastManager;
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-
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-
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-/**
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- * Remote operation performing the DOWNLOAD of the list of files contained
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- * in a folder identified with its remote path.
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- *
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- * Fetches the list and properties of the files contained in the given folder, including their
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- * properties, and updates the local database with them.
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- *
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- * Does NOT enter in the child folders to download their contents also, BUT request for a new operation instance
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- * doing so.
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- *
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- * TODO: REMOVE WHEN SYNCHRONIZATION OF FULL FOLDERS IS GOOD ENOUGH
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- *
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- * This class is here just to keep the 'download folder' option available separately until 'sync folder' is ready to go
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- */
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-public class DownloadFolderOperation extends SyncOperation {
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-
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- private static final String TAG = SynchronizeFolderOperation.class.getSimpleName();
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-
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- /** Time stamp for the synchronization process in progress */
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- private long mCurrentSyncTime;
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-
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- /** Remote path of the folder to synchronize */
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- private String mRemotePath;
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-
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- /** Account where the file to synchronize belongs */
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- private Account mAccount;
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-
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- /** Android context; necessary to send requests to the download service */
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- private Context mContext;
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-
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- /** Locally cached information about folder to synchronize */
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- private OCFile mLocalFolder;
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-
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- /** Files and folders contained in the synchronized folder after a successful operation */
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- //private List<OCFile> mChildren;
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-
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- /** Counter of conflicts found between local and remote files */
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- private int mConflictsFound;
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-
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- /** Counter of failed operations in synchronization of kept-in-sync files */
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- private int mFailsInFileSyncsFound;
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-
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- /** 'True' means that the remote folder changed and should be fetched */
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- private boolean mRemoteFolderChanged;
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-
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- private List<OCFile> mFilesForDirectDownload;
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- // to avoid extra PROPFINDs when there was no change in the folder
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-
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- private List<SyncOperation> mFilesToSyncContentsWithoutUpload;
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- // this will go out when 'folder synchronization' replaces 'folder download'; step by step
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-
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- private List<SyncOperation> mFavouriteFilesToSyncContents;
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- // this will be used for every file when 'folder synchronization' replaces 'folder download'
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-
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- private final AtomicBoolean mCancellationRequested;
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-
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- /**
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- * Creates a new instance of {@link DownloadFolderOperation}.
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- *
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- * @param context Application context.
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- * @param remotePath Path to synchronize.
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- * @param account ownCloud account where the folder is located.
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- * @param currentSyncTime Time stamp for the synchronization process in progress.
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- */
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- public DownloadFolderOperation(Context context, String remotePath, Account account,
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- long currentSyncTime){
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- mRemotePath = remotePath;
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- mCurrentSyncTime = currentSyncTime;
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- mAccount = account;
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- mContext = context;
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- mRemoteFolderChanged = false;
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- mFilesForDirectDownload = new Vector<OCFile>();
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- mFilesToSyncContentsWithoutUpload = new Vector<SyncOperation>();
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- mFavouriteFilesToSyncContents = new Vector<SyncOperation>();
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- mCancellationRequested = new AtomicBoolean(false);
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- }
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-
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-
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- public int getConflictsFound() {
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- return mConflictsFound;
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- }
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-
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- public int getFailsInFileSyncsFound() {
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- return mFailsInFileSyncsFound;
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- }
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-
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- /**
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- * Performs the synchronization.
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- *
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- * {@inheritDoc}
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- */
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- @Override
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- protected RemoteOperationResult run(OwnCloudClient client) {
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- RemoteOperationResult result = null;
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- mFailsInFileSyncsFound = 0;
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- mConflictsFound = 0;
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-
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- try {
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- // get locally cached information about folder
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- mLocalFolder = getStorageManager().getFileByPath(mRemotePath);
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-
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- result = checkForChanges(client);
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-
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- if (result.isSuccess()) {
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- if (mRemoteFolderChanged) {
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- result = fetchAndSyncRemoteFolder(client);
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-
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- } else {
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- prepareOpsFromLocalKnowledge();
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- }
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-
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- if (result.isSuccess()) {
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- syncContents(client);
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- }
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-
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- }
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-
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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-
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- } catch (OperationCancelledException e) {
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- result = new RemoteOperationResult(e);
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- }
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-
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- return result;
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-
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- }
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-
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- private RemoteOperationResult checkForChanges(OwnCloudClient client)
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- throws OperationCancelledException {
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- Log_OC.d(TAG, "Checking changes in " + mAccount.name + mRemotePath);
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-
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- mRemoteFolderChanged = true;
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- RemoteOperationResult result = null;
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-
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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-
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- // remote request
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- ReadRemoteFileOperation operation = new ReadRemoteFileOperation(mRemotePath);
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- result = operation.execute(client);
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- if (result.isSuccess()){
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- OCFile remoteFolder = FileStorageUtils.fillOCFile((RemoteFile) result.getData().get(0));
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-
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- // check if remote and local folder are different
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- mRemoteFolderChanged =
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- !(remoteFolder.getEtag().equalsIgnoreCase(mLocalFolder.getEtag()));
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-
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- result = new RemoteOperationResult(ResultCode.OK);
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-
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- Log_OC.i(TAG, "Checked " + mAccount.name + mRemotePath + " : " +
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- (mRemoteFolderChanged ? "changed" : "not changed"));
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-
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- } else {
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- // check failed
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- if (result.getCode() == ResultCode.FILE_NOT_FOUND) {
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- removeLocalFolder();
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- }
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- if (result.isException()) {
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- Log_OC.e(TAG, "Checked " + mAccount.name + mRemotePath + " : " +
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- result.getLogMessage(), result.getException());
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- } else {
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- Log_OC.e(TAG, "Checked " + mAccount.name + mRemotePath + " : " +
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- result.getLogMessage());
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- }
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-
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- }
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-
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- return result;
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- }
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-
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-
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- private RemoteOperationResult fetchAndSyncRemoteFolder(OwnCloudClient client)
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- throws OperationCancelledException {
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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-
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- ReadRemoteFolderOperation operation = new ReadRemoteFolderOperation(mRemotePath);
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- RemoteOperationResult result = operation.execute(client);
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- Log_OC.d(TAG, "Synchronizing " + mAccount.name + mRemotePath);
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-
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- if (result.isSuccess()) {
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- synchronizeData(result.getData(), client);
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- if (mConflictsFound > 0 || mFailsInFileSyncsFound > 0) {
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- result = new RemoteOperationResult(ResultCode.SYNC_CONFLICT);
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- // should be a different result code, but will do the job
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- }
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- } else {
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- if (result.getCode() == ResultCode.FILE_NOT_FOUND)
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- removeLocalFolder();
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- }
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-
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-
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- return result;
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- }
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-
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-
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- private void removeLocalFolder() {
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- FileDataStorageManager storageManager = getStorageManager();
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- if (storageManager.fileExists(mLocalFolder.getFileId())) {
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- String currentSavePath = FileStorageUtils.getSavePath(mAccount.name);
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- storageManager.removeFolder(
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- mLocalFolder,
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- true,
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- ( mLocalFolder.isDown() && // TODO: debug, I think this is
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- // always false for folders
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- mLocalFolder.getStoragePath().startsWith(currentSavePath)
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- )
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- );
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- }
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- }
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-
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-
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- /**
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- * Synchronizes the data retrieved from the server about the contents of the target folder
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- * with the current data in the local database.
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- *
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- * Grants that mChildren is updated with fresh data after execution.
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- *
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- * @param folderAndFiles Remote folder and children files in Folder
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- *
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- * @param client Client instance to the remote server where the data were
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- * retrieved.
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- * @return 'True' when any change was made in the local data, 'false' otherwise
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- */
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- private void synchronizeData(ArrayList<Object> folderAndFiles, OwnCloudClient client)
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- throws OperationCancelledException {
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- FileDataStorageManager storageManager = getStorageManager();
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-
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- // parse data from remote folder
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- OCFile remoteFolder = fillOCFile((RemoteFile)folderAndFiles.get(0));
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- remoteFolder.setParentId(mLocalFolder.getParentId());
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- remoteFolder.setFileId(mLocalFolder.getFileId());
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-
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- Log_OC.d(TAG, "Remote folder " + mLocalFolder.getRemotePath()
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- + " changed - starting update of local data ");
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-
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- List<OCFile> updatedFiles = new Vector<OCFile>(folderAndFiles.size() - 1);
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- mFilesForDirectDownload.clear();
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- mFilesToSyncContentsWithoutUpload.clear();
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- mFavouriteFilesToSyncContents.clear();
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-
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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-
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- // get current data about local contents of the folder to synchronize
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- // TODO Enable when "On Device" is recovered ?
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- List<OCFile> localFiles = storageManager.getFolderContent(mLocalFolder/*, false*/);
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- Map<String, OCFile> localFilesMap = new HashMap<String, OCFile>(localFiles.size());
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- for (OCFile file : localFiles) {
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- localFilesMap.put(file.getRemotePath(), file);
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- }
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-
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- // loop to synchronize every child
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- OCFile remoteFile = null, localFile = null;
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- for (int i=1; i<folderAndFiles.size(); i++) {
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- /// new OCFile instance with the data from the server
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- remoteFile = fillOCFile((RemoteFile)folderAndFiles.get(i));
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- remoteFile.setParentId(mLocalFolder.getFileId());
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-
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- /// retrieve local data for the read file
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- // localFile = mStorageManager.getFileByPath(remoteFile.getRemotePath());
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- localFile = localFilesMap.remove(remoteFile.getRemotePath());
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-
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- /// add to the remoteFile (the new one) data about LOCAL STATE (not existing in server)
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- remoteFile.setLastSyncDateForProperties(mCurrentSyncTime);
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- if (localFile != null) {
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- // some properties of local state are kept unmodified
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- remoteFile.setFileId(localFile.getFileId());
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- remoteFile.setFavorite(localFile.isFavorite());
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- remoteFile.setLastSyncDateForData(localFile.getLastSyncDateForData());
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- remoteFile.setModificationTimestampAtLastSyncForData(
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- localFile.getModificationTimestampAtLastSyncForData()
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- );
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- remoteFile.setStoragePath(localFile.getStoragePath());
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- // eTag will not be updated unless contents are synchronized
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- // (Synchronize[File|Folder]Operation with remoteFile as parameter)
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- remoteFile.setEtag(localFile.getEtag());
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- if (remoteFile.isFolder()) {
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- remoteFile.setFileLength(localFile.getFileLength());
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- // TODO move operations about size of folders to FileContentProvider
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- } else if (mRemoteFolderChanged && remoteFile.isImage() &&
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- remoteFile.getModificationTimestamp() !=
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- localFile.getModificationTimestamp()) {
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- remoteFile.setNeedsUpdateThumbnail(true);
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- Log.d(TAG, "Image " + remoteFile.getFileName() + " updated on the server");
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- }
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- remoteFile.setPublicLink(localFile.getPublicLink());
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- remoteFile.setShareByLink(localFile.isShareByLink());
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- } else {
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- // remote eTag will not be updated unless contents are synchronized
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- // (Synchronize[File|Folder]Operation with remoteFile as parameter)
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- remoteFile.setEtag("");
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- }
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-
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- /// check and fix, if needed, local storage path
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- searchForLocalFileInDefaultPath(remoteFile);
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-
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- /// classify file to sync/download contents later
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- if (remoteFile.isFolder()) {
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- /// to download children files recursively
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- synchronized (mCancellationRequested) {
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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- startSyncFolderOperation(remoteFile.getRemotePath());
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- }
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-
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- } else if (remoteFile.isFavorite()) {
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- /// prepare content synchronization for kept-in-sync files
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- SynchronizeFileOperation operation = new SynchronizeFileOperation(
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- localFile,
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- remoteFile,
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- mAccount,
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- true,
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- mContext
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- );
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- mFavouriteFilesToSyncContents.add(operation);
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-
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- } else {
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- /// prepare limited synchronization for regular files
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- SynchronizeFileOperation operation = new SynchronizeFileOperation(
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- localFile,
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- remoteFile,
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- mAccount,
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- true,
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- false,
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- mContext
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- );
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- mFilesToSyncContentsWithoutUpload.add(operation);
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- }
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-
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- updatedFiles.add(remoteFile);
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- }
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-
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- // save updated contents in local database
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- storageManager.saveFolder(remoteFolder, updatedFiles, localFilesMap.values());
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-
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- }
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-
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-
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- private void prepareOpsFromLocalKnowledge() throws OperationCancelledException {
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- // TODO Enable when "On Device" is recovered ?
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- List<OCFile> children = getStorageManager().getFolderContent(mLocalFolder/*, false*/);
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- for (OCFile child : children) {
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- /// classify file to sync/download contents later
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- if (child.isFolder()) {
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- /// to download children files recursively
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- synchronized(mCancellationRequested) {
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- if (mCancellationRequested.get()) {
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- throw new OperationCancelledException();
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- }
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- startSyncFolderOperation(child.getRemotePath());
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- }
|
|
|
-
|
|
|
- } else {
|
|
|
- /// prepare limited synchronization for regular files
|
|
|
- if (!child.isDown()) {
|
|
|
- mFilesForDirectDownload.add(child);
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- private void syncContents(OwnCloudClient client) throws OperationCancelledException {
|
|
|
- startDirectDownloads();
|
|
|
- startContentSynchronizations(mFilesToSyncContentsWithoutUpload, client);
|
|
|
- startContentSynchronizations(mFavouriteFilesToSyncContents, client);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- private void startDirectDownloads() throws OperationCancelledException {
|
|
|
- for (OCFile file : mFilesForDirectDownload) {
|
|
|
- synchronized(mCancellationRequested) {
|
|
|
- if (mCancellationRequested.get()) {
|
|
|
- throw new OperationCancelledException();
|
|
|
- }
|
|
|
- Intent i = new Intent(mContext, FileDownloader.class);
|
|
|
- i.putExtra(FileDownloader.EXTRA_ACCOUNT, mAccount);
|
|
|
- i.putExtra(FileDownloader.EXTRA_FILE, file);
|
|
|
- mContext.startService(i);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Performs a list of synchronization operations, determining if a download or upload is needed
|
|
|
- * or if exists conflict due to changes both in local and remote contents of the each file.
|
|
|
- *
|
|
|
- * If download or upload is needed, request the operation to the corresponding service and goes
|
|
|
- * on.
|
|
|
- *
|
|
|
- * @param filesToSyncContents Synchronization operations to execute.
|
|
|
- * @param client Interface to the remote ownCloud server.
|
|
|
- */
|
|
|
- private void startContentSynchronizations(List<SyncOperation> filesToSyncContents,
|
|
|
- OwnCloudClient client)
|
|
|
- throws OperationCancelledException {
|
|
|
-
|
|
|
- Log_OC.v(TAG, "Starting content synchronization... ");
|
|
|
- RemoteOperationResult contentsResult = null;
|
|
|
- for (SyncOperation op: filesToSyncContents) {
|
|
|
- if (mCancellationRequested.get()) {
|
|
|
- throw new OperationCancelledException();
|
|
|
- }
|
|
|
- contentsResult = op.execute(getStorageManager(), mContext);
|
|
|
- if (!contentsResult.isSuccess()) {
|
|
|
- if (contentsResult.getCode() == ResultCode.SYNC_CONFLICT) {
|
|
|
- mConflictsFound++;
|
|
|
- } else {
|
|
|
- mFailsInFileSyncsFound++;
|
|
|
- if (contentsResult.getException() != null) {
|
|
|
- Log_OC.e(TAG, "Error while synchronizing file : "
|
|
|
- + contentsResult.getLogMessage(), contentsResult.getException());
|
|
|
- } else {
|
|
|
- Log_OC.e(TAG, "Error while synchronizing file : "
|
|
|
- + contentsResult.getLogMessage());
|
|
|
- }
|
|
|
- }
|
|
|
- // TODO - use the errors count in notifications
|
|
|
- } // won't let these fails break the synchronization process
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * Creates and populates a new {@link com.owncloud.android.datamodel.OCFile}
|
|
|
- * object with the data read from the server.
|
|
|
- *
|
|
|
- * @param remote remote file read from the server (remote file or folder).
|
|
|
- * @return New OCFile instance representing the remote resource described by we.
|
|
|
- */
|
|
|
- private OCFile fillOCFile(RemoteFile remote) {
|
|
|
- OCFile file = new OCFile(remote.getRemotePath());
|
|
|
- file.setCreationTimestamp(remote.getCreationTimestamp());
|
|
|
- file.setFileLength(remote.getLength());
|
|
|
- file.setMimetype(remote.getMimeType());
|
|
|
- file.setModificationTimestamp(remote.getModifiedTimestamp());
|
|
|
- file.setEtag(remote.getEtag());
|
|
|
- file.setPermissions(remote.getPermissions());
|
|
|
- file.setRemoteId(remote.getRemoteId());
|
|
|
- return file;
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * Scans the default location for saving local copies of files searching for
|
|
|
- * a 'lost' file with the same full name as the {@link com.owncloud.android.datamodel.OCFile}
|
|
|
- * received as parameter.
|
|
|
- *
|
|
|
- * @param file File to associate a possible 'lost' local file.
|
|
|
- */
|
|
|
- private void searchForLocalFileInDefaultPath(OCFile file) {
|
|
|
- if (file.getStoragePath() == null && !file.isFolder()) {
|
|
|
- File f = new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, file));
|
|
|
- if (f.exists()) {
|
|
|
- file.setStoragePath(f.getAbsolutePath());
|
|
|
- file.setLastSyncDateForData(f.lastModified());
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * Cancel operation
|
|
|
- */
|
|
|
- public void cancel() {
|
|
|
- mCancellationRequested.set(true);
|
|
|
- }
|
|
|
-
|
|
|
- public String getFolderPath() {
|
|
|
- String path = mLocalFolder.getStoragePath();
|
|
|
- if (path != null && path.length() > 0) {
|
|
|
- return path;
|
|
|
- }
|
|
|
- return FileStorageUtils.getDefaultSavePathFor(mAccount.name, mLocalFolder);
|
|
|
- }
|
|
|
-
|
|
|
- private void startSyncFolderOperation(String path){
|
|
|
- Intent intent = new Intent(mContext, OperationsService.class);
|
|
|
- intent.setAction(OperationsService.ACTION_SYNC_FOLDER);
|
|
|
- intent.putExtra(OperationsService.EXTRA_ACCOUNT, mAccount);
|
|
|
- intent.putExtra(OperationsService.EXTRA_REMOTE_PATH, path);
|
|
|
- mContext.startService(intent);
|
|
|
- }
|
|
|
-
|
|
|
- public String getRemotePath() {
|
|
|
- return mRemotePath;
|
|
|
- }
|
|
|
-}
|
David A. Velasco