src/eu/alefzero/owncloud/syncadapter/FileSyncAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.owncloud.syncadapter;
  20
  21 import java.io.IOException;
  22 import java.util.Vector;
  23
  24 import org.apache.jackrabbit.webdav.DavException;
  25 import org.apache.jackrabbit.webdav.MultiStatus;
  26 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  27
  28 import android.accounts.Account;
  29 import android.accounts.AuthenticatorException;
  30 import android.accounts.OperationCanceledException;
  31 import android.content.ContentProviderClient;
  32 import android.content.Context;
  33 import android.content.Intent;
  34 import android.content.SyncResult;
  35 import android.os.Bundle;
  36 import android.util.Log;
  37 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  38 import eu.alefzero.owncloud.datamodel.OCFile;
  39 import eu.alefzero.webdav.WebdavEntry;
  40
  41 /**
  42  * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
  43  * platform ContactOperations provider.
  44  *
  45  * @author Bartek Przybylski
  46  */
  47 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
  48
  49     private final static String TAG = "FileSyncAdapter";
  50
  51     private long mCurrentSyncTime;
  52
  53     public FileSyncAdapter(Context context, boolean autoInitialize) {
  54         super(context, autoInitialize);
  55     }
  56
  57     @Override
  58     public synchronized void onPerformSync(Account account, Bundle extras,
  59             String authority, ContentProviderClient provider,
  60             SyncResult syncResult) {
  61
  62         this.setAccount(account);
  63         this.setContentProvider(provider);
  64         this.setStorageManager(new FileDataStorageManager(account,
  65                 getContentProvider()));
  66
  67         Log.d(TAG, "syncing owncloud account " + account.name);
  68
  69         Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
  70         i.putExtra(FileSyncService.IN_PROGRESS, true);
  71         i.putExtra(FileSyncService.ACCOUNT_NAME, account.name);
  72         getContext().sendStickyBroadcast(i);
  73
  74         PropFindMethod query;
  75         try {
  76             mCurrentSyncTime = System.currentTimeMillis();
  77             query = new PropFindMethod(getUri().toString() + "/");
  78             getClient().executeMethod(query);
  79             MultiStatus resp = null;
  80             resp = query.getResponseBodyAsMultiStatus();
  81
  82             if (resp.getResponses().length > 0) {
  83                 WebdavEntry we = new WebdavEntry(resp.getResponses()[0], getUri().getPath());
  84                 OCFile file = fillOCFile(we);
  85                 file.setParentId(0);
  86                 getStorageManager().saveFile(file);
  87                 fetchData(getUri().toString(), syncResult, file.getFileId());
  88             }
  89         } catch (OperationCanceledException e) {
  90             e.printStackTrace();
  91         } catch (AuthenticatorException e) {
  92             syncResult.stats.numAuthExceptions++;
  93             e.printStackTrace();
  94         } catch (IOException e) {
  95             syncResult.stats.numIoExceptions++;
  96             e.printStackTrace();
  97         } catch (DavException e) {
  98             syncResult.stats.numIoExceptions++;
  99             e.printStackTrace();
 100         }
 101         i.putExtra(FileSyncService.IN_PROGRESS, false);
 102         getContext().sendStickyBroadcast(i);
 103     }
 104
 105     private void fetchData(String uri, SyncResult syncResult, long parentId) {
 106         try {
 107             PropFindMethod query = new PropFindMethod(uri);
 108             getClient().executeMethod(query);
 109             MultiStatus resp = null;
 110             resp = query.getResponseBodyAsMultiStatus();
 111             for (int i = 1; i < resp.getResponses().length; ++i) {
 112                 WebdavEntry we = new WebdavEntry(resp.getResponses()[i], getUri().getPath());
 113                 OCFile file = fillOCFile(we);
 114                 file.setParentId(parentId);
 115                 getStorageManager().saveFile(file);
 116                 if (parentId == 0)
 117                     parentId = file.getFileId();
 118                 if (we.contentType().equals("DIR"))
 119                     fetchData(getUri().toString() + we.path(), syncResult, file.getFileId());
 120             }
 121             Vector<OCFile> files = getStorageManager().getDirectoryContent(
 122                     getStorageManager().getFileById(parentId));
 123             for (OCFile file : files) {
 124                 if (file.getLastSyncDate() != mCurrentSyncTime && file.getLastSyncDate() != 0)
 125                     getStorageManager().removeFile(file);
 126             }
 127         } catch (OperationCanceledException e) {
 128             e.printStackTrace();
 129         } catch (AuthenticatorException e) {
 130             syncResult.stats.numAuthExceptions++;
 131             e.printStackTrace();
 132         } catch (IOException e) {
 133             syncResult.stats.numIoExceptions++;
 134             e.printStackTrace();
 135         } catch (DavException e) {
 136             syncResult.stats.numIoExceptions++;
 137             e.printStackTrace();
 138         }
 139     }
 140
 141     private OCFile fillOCFile(WebdavEntry we) {
 142         OCFile file = new OCFile(we.path());
 143         file.setCreationTimestamp(we.createTimestamp());
 144         file.setFileLength(we.contentLength());
 145         file.setMimetype(we.contentType());
 146         file.setModificationTimestamp(we.modifiedTimesamp());
 147         file.setLastSyncDate(mCurrentSyncTime);
 148         return file;
 149     }
 150
 151 }