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.ArrayList;
  23 import java.util.Iterator;
  24 import java.util.List;
  25 import java.util.Vector;
  26
  27 import org.apache.jackrabbit.webdav.DavException;
  28 import org.apache.jackrabbit.webdav.MultiStatus;
  29 import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
  30
  31 import android.accounts.Account;
  32 import android.accounts.AuthenticatorException;
  33 import android.accounts.OperationCanceledException;
  34 import android.content.ContentProviderClient;
  35 import android.content.Context;
  36 import android.content.Intent;
  37 import android.content.SyncResult;
  38 import android.os.Bundle;
  39 import android.util.Log;
  40 import android.webkit.MimeTypeMap;
  41 import eu.alefzero.owncloud.datamodel.FileDataStorageManager;
  42 import eu.alefzero.owncloud.datamodel.OCFile;
  43 import eu.alefzero.webdav.WebdavEntry;
  44
  45 /**
  46  * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
  47  * platform ContactOperations provider.
  48  *
  49  * @author Bartek Przybylski
  50  */
  51 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
  52
  53     private final static String TAG = "FileSyncAdapter";
  54
  55     private long mCurrentSyncTime;
  56
  57     public FileSyncAdapter(Context context, boolean autoInitialize) {
  58         super(context, autoInitialize);
  59     }
  60
  61     @Override
  62     public synchronized void onPerformSync(Account account, Bundle extras,
  63             String authority, ContentProviderClient provider,
  64             SyncResult syncResult) {
  65
  66         this.setAccount(account);
  67         this.setContentProvider(provider);
  68         this.setStorageManager(new FileDataStorageManager(account,
  69                 getContentProvider()));
  70
  71         Log.d(TAG, "syncing owncloud account " + account.name);
  72
  73         sendStickyBroadcast(true, -1);  // starting message to UI
  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         sendStickyBroadcast(false, -1);
 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             List<String> paths = new ArrayList<String>();
 112             List<Long> fileIds = new ArrayList<Long>();
 113             for (int i = 1; i < resp.getResponses().length; ++i) {
 114                 WebdavEntry we = new WebdavEntry(resp.getResponses()[i], getUri().getPath());
 115                 OCFile file = fillOCFile(we);
 116                 file.setParentId(parentId);
 117                 getStorageManager().saveFile(file);
 118                 if (parentId == 0)
 119                     parentId = file.getFileId();
 120                 if (we.contentType().equals("DIR")) {
 121                     // for recursive fetch later
 122                     paths.add(we.path());
 123                     fileIds.add(file.getFileId());
 124                 }
 125             }
 126
 127             Vector<OCFile> files = getStorageManager().getDirectoryContent(
 128                     getStorageManager().getFileById(parentId));
 129             for (OCFile file : files) {
 130                 if (file.getLastSyncDate() != mCurrentSyncTime && file.getLastSyncDate() != 0)
 131                     getStorageManager().removeFile(file);
 132             }
 133
 134             // synched folder -> notice to IU
 135             sendStickyBroadcast(true, parentId);
 136
 137             // recursive fetch
 138             Iterator<String> pathsIt = paths.iterator();
 139             Iterator<Long> fileIdsIt = fileIds.iterator();
 140             while (pathsIt.hasNext()) {
 141                 fetchData(getUri().toString() + pathsIt.next(), syncResult, fileIdsIt.next());
 142             }
 143
 144
 145         } catch (OperationCanceledException e) {
 146             e.printStackTrace();
 147         } catch (AuthenticatorException e) {
 148             syncResult.stats.numAuthExceptions++;
 149             e.printStackTrace();
 150         } catch (IOException e) {
 151             syncResult.stats.numIoExceptions++;
 152             e.printStackTrace();
 153         } catch (DavException e) {
 154             syncResult.stats.numIoExceptions++;
 155             e.printStackTrace();
 156         }
 157     }
 158
 159     private OCFile fillOCFile(WebdavEntry we) {
 160         OCFile file = new OCFile(we.path());
 161         file.setCreationTimestamp(we.createTimestamp());
 162         file.setFileLength(we.contentLength());
 163         file.setMimetype(we.contentType());
 164         file.setModificationTimestamp(we.modifiedTimesamp());
 165         file.setLastSyncDate(mCurrentSyncTime);
 166         return file;
 167     }
 168
 169
 170     private void sendStickyBroadcast(boolean inProgress, long OCDirId) {
 171         Intent i = new Intent(FileSyncService.SYNC_MESSAGE);
 172         i.putExtra(FileSyncService.IN_PROGRESS, inProgress);
 173         i.putExtra(FileSyncService.ACCOUNT_NAME, getAccount().name);
 174         if (OCDirId > 0) {
 175             i.putExtra(FileSyncService.SYNC_FOLDER, OCDirId);
 176         }
 177         getContext().sendStickyBroadcast(i);
 178     }
 179
 180 }