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