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.net.URLDecoder;
  23 import java.util.Vector;
  24
  25 import org.apache.jackrabbit.webdav.DavException;
  26 import org.apache.jackrabbit.webdav.MultiStatus;
  27 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  28
  29 import android.accounts.Account;
  30 import android.accounts.AuthenticatorException;
  31 import android.accounts.OperationCanceledException;
  32 import android.content.ContentProviderClient;
  33 import android.content.Context;
  34 import android.content.Intent;
  35 import android.content.SyncResult;
  36 import android.os.Bundle;
  37 import android.util.Log;
  38 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  39 import eu.alefzero.owncloud.datamodel.OCFile;
  40 import eu.alefzero.webdav.WebdavEntry;
  41
  42 /**
  43  * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
  44  * platform ContactOperations provider.
  45  *
  46  * @author Bartek Przybylski
  47  */
  48 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
  49
  50     private final static String TAG = "FileSyncAdapter";
  51
  52     private long mCurrentSyncTime;
  53
  54     public FileSyncAdapter(Context context, boolean autoInitialize) {
  55         super(context, autoInitialize);
  56     }
  57
  58     @Override
  59     public synchronized void onPerformSync(Account account, Bundle extras,
  60             String authority, ContentProviderClient provider,
  61             SyncResult syncResult) {
  62
  63         this.setAccount(account);
  64         this.setContentProvider(provider);
  65         this.setStorageManager(new FileDataStorageManager(account,
  66                 getContentProvider()));
  67
  68         Log.d(TAG, "syncing owncloud account " + account.name);
  69
  70         Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
  71         i.putExtra(FileSyncService.IN_PROGRESS, true);
  72         i.putExtra(FileSyncService.ACCOUNT_NAME, account.name);
  73         getContext().sendStickyBroadcast(i);
  74
  75         PropFindMethod query;
  76         try {
  77             mCurrentSyncTime = System.currentTimeMillis();
  78             query = new PropFindMethod(getUri().toString() + "/");
  79             getClient().executeMethod(query);
  80             MultiStatus resp = null;
  81             resp = query.getResponseBodyAsMultiStatus();
  82
  83             if (resp.getResponses().length > 0) {
  84                 WebdavEntry we = new WebdavEntry(resp.getResponses()[0], getUri().getPath());
  85                 OCFile file = fillOCFile(we);
  86                 file.setParentId(0);
  87                 getStorageManager().saveFile(file);
  88                 fetchData(getUri().toString(), syncResult, file.getFileId());
  89             }
  90         } catch (OperationCanceledException e) {
  91             e.printStackTrace();
  92         } catch (AuthenticatorException e) {
  93             syncResult.stats.numAuthExceptions++;
  94             e.printStackTrace();
  95         } catch (IOException e) {
  96             syncResult.stats.numIoExceptions++;
  97             e.printStackTrace();
  98         } catch (DavException e) {
  99             syncResult.stats.numIoExceptions++;
 100             e.printStackTrace();
 101         }
 102         i.putExtra(FileSyncService.IN_PROGRESS, false);
 103         getContext().sendStickyBroadcast(i);
 104     }
 105
 106     private void fetchData(String uri, SyncResult syncResult, long parentId) {
 107         try {
 108             PropFindMethod query = new PropFindMethod(uri);
 109             getClient().executeMethod(query);
 110             MultiStatus resp = null;
 111             resp = query.getResponseBodyAsMultiStatus();
 112             for (int i = 1; i < resp.getResponses().length; ++i) {
 113                 WebdavEntry we = new WebdavEntry(resp.getResponses()[i], getUri().getPath());
 114                 OCFile file = fillOCFile(we);
 115                 file.setParentId(parentId);
 116                 getStorageManager().saveFile(file);
 117                 if (parentId == 0)
 118                     parentId = file.getFileId();
 119                 if (we.contentType().equals("DIR"))
 120                     fetchData(getUri().toString() + we.path(), syncResult, file.getFileId());
 121             }
 122             Vector<OCFile> files = getStorageManager().getDirectoryContent(
 123                     getStorageManager().getFileById(parentId));
 124             for (OCFile file : files) {
 125                 if (file.getLastSyncDate() != mCurrentSyncTime && file.getLastSyncDate() != 0)
 126                     getStorageManager().removeFile(file);
 127             }
 128         } catch (OperationCanceledException e) {
 129             e.printStackTrace();
 130         } catch (AuthenticatorException e) {
 131             syncResult.stats.numAuthExceptions++;
 132             e.printStackTrace();
 133         } catch (IOException e) {
 134             syncResult.stats.numIoExceptions++;
 135             e.printStackTrace();
 136         } catch (DavException e) {
 137             syncResult.stats.numIoExceptions++;
 138             e.printStackTrace();
 139         }
 140     }
 141
 142     private OCFile fillOCFile(WebdavEntry we) {
 143         OCFile file = new OCFile(URLDecoder.decode(we.path()));
 144         file.setCreationTimestamp(we.createTimestamp());
 145         file.setFileLength(we.contentLength());
 146         file.setMimetype(we.contentType());
 147         file.setModificationTimestamp(we.modifiedTimesamp());
 148         file.setLastSyncDate(mCurrentSyncTime);
 149         return file;
 150     }
 151
 152 }