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
  23 import org.apache.http.entity.StringEntity;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AuthenticatorException;
  27 import android.accounts.OperationCanceledException;
  28 import android.content.ContentProviderClient;
  29 import android.content.ContentValues;
  30 import android.content.Context;
  31 import android.content.SyncResult;
  32 import android.database.Cursor;
  33 import android.net.Uri;
  34 import android.os.Bundle;
  35 import android.os.RemoteException;
  36 import android.util.Log;
  37 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  38 import eu.alefzero.webdav.HttpPropFind;
  39 import eu.alefzero.webdav.TreeNode;
  40 import eu.alefzero.webdav.TreeNode.NodeProperty;
  41 import eu.alefzero.webdav.WebdavUtils;
  42
  43 /**
  44  * SyncAdapter implementation for syncing sample SyncAdapter contacts to the
  45  * platform ContactOperations provider.
  46  */
  47 public class FileSyncAdapter extends AbstractOwnCloudSyncAdapter {
  48         private static final String TAG = "FileSyncAdapter";
  49
  50         public FileSyncAdapter(Context context, boolean autoInitialize) {
  51                 super(context, autoInitialize);
  52         }
  53
  54         @Override
  55         public synchronized void onPerformSync(
  56                         Account account,
  57                         Bundle extras,
  58                         String authority,
  59                         ContentProviderClient provider,
  60                         SyncResult syncResult) {
  61
  62                 try {
  63                         this.setAccount(account);
  64                         this.setContentProvider(provider);
  65
  66                         HttpPropFind query = this.getPropFindQuery();
  67                         query.setEntity(new StringEntity(WebdavUtils.prepareXmlForPropFind()));
  68                         TreeNode root = this.fireRequest(query);
  69
  70                         commitToDatabase(root, null);
  71                 } catch (OperationCanceledException e) {
  72                         e.printStackTrace();
  73                 } catch (AuthenticatorException e) {
  74                         syncResult.stats.numAuthExceptions++;
  75                         e.printStackTrace();
  76                 } catch (IOException e) {
  77                         syncResult.stats.numIoExceptions++;
  78                         e.printStackTrace();
  79                 } catch (RemoteException e) {
  80                         e.printStackTrace();
  81                 }
  82         }
  83
  84         private void commitToDatabase(TreeNode root, String parentId) throws RemoteException {
  85                 for (TreeNode n : root.getChildList()) {
  86                         Log.d(TAG, n.toString());
  87                         ContentValues cv = new ContentValues();
  88                         cv.put(ProviderTableMeta.FILE_CONTENT_LENGTH, n.getProperty(NodeProperty.CONTENT_LENGTH));
  89                         cv.put(ProviderTableMeta.FILE_MODIFIED, n.getProperty(NodeProperty.LAST_MODIFIED_DATE));
  90                         cv.put(ProviderTableMeta.FILE_CONTENT_TYPE, n.getProperty(NodeProperty.RESOURCE_TYPE));
  91                         cv.put(ProviderTableMeta.FILE_PARENT, parentId);
  92
  93                         String name = n.getProperty(NodeProperty.NAME),
  94                                         path = n.getProperty(NodeProperty.PATH);
  95                         Cursor c = this.getContentProvider().query(ProviderTableMeta.CONTENT_URI_FILE,
  96                                         null,
  97                                         ProviderTableMeta.FILE_NAME+"=? AND " + ProviderTableMeta.FILE_PATH + "=? AND " + ProviderTableMeta.FILE_ACCOUNT_OWNER + "=?",
  98                                         new String[]{name, path, this.getAccount().name},
  99                                         null);
 100                         if (c.moveToFirst()) {
 101                                 this.getContentProvider().update(ProviderTableMeta.CONTENT_URI,
 102                                                 cv,
 103                                                 ProviderTableMeta._ID+"=?",
 104                                                                 new String[]{c.getString(c.getColumnIndex(ProviderTableMeta._ID))});
 105                                 Log.d(TAG, "ID of: "+name+":"+c.getString(c.getColumnIndex(ProviderTableMeta._ID)));
 106                         } else {
 107                                 cv.put(ProviderTableMeta.FILE_NAME, n.getProperty(NodeProperty.NAME));
 108                                 cv.put(ProviderTableMeta.FILE_PATH, n.getProperty(NodeProperty.PATH));
 109                                 cv.put(ProviderTableMeta.FILE_ACCOUNT_OWNER, this.getAccount().name);
 110                                 Uri entry = this.getContentProvider().insert(ProviderTableMeta.CONTENT_URI_FILE, cv);
 111                                 Log.d(TAG, "Inserting new entry " + path + name);
 112                                 c = this.getContentProvider().query(entry, null, null, null, null);
 113                                 c.moveToFirst();
 114                         }
 115                         if (n.getProperty(NodeProperty.RESOURCE_TYPE).equals("DIR")) {
 116                                 commitToDatabase(n, c.getString(c.getColumnIndex(ProviderTableMeta._ID)));
 117                         }
 118                 }
 119                 // clean removed files
 120                 String[] selection = new String[root.getChildList().size()+2];
 121                 selection[0] = this.getAccount().name;
 122                 selection[1] = parentId;
 123                 String qm = "";
 124                 for (int i = 2; i < selection.length-1; ++i) {
 125                         qm += "?,";
 126                         selection[i] = root.getChildList().get(i-2).getProperty(NodeProperty.NAME);
 127                 }
 128                 if (selection.length >= 3) {
 129                         selection[selection.length-1] = root.getChildrenNames()[selection.length-3];
 130                         qm += "?";
 131                 }
 132                 for (int i = 0; i < selection.length; ++i) {
 133                         Log.d(TAG,selection[i]+"");
 134                 }
 135                 Log.d(TAG,"Removing files "+ parentId);
 136                 this.getContentProvider().delete(ProviderTableMeta.CONTENT_URI,
 137                                 ProviderTableMeta.FILE_ACCOUNT_OWNER+"=? AND " + ProviderTableMeta.FILE_PARENT + (parentId==null?" IS ":"=")+"? AND " + ProviderTableMeta.FILE_NAME + " NOT IN ("+qm+")",
 138                                 selection);
 139         }
 140 }