src/com/owncloud/android/syncadapter/AbstractOwnCloudSyncAdapter.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   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 com.owncloud.android.syncadapter;
  20
  21 import java.io.IOException;
  22 import java.net.UnknownHostException;
  23 import java.util.Date;
  24
  25 import org.apache.http.HttpRequest;
  26 import org.apache.http.HttpResponse;
  27 import org.apache.http.client.ClientProtocolException;
  28 import org.apache.http.conn.ConnectionKeepAliveStrategy;
  29 import org.apache.http.protocol.HttpContext;
  30
  31 import com.owncloud.android.AccountUtils;
  32 import com.owncloud.android.datamodel.DataStorageManager;
  33 import com.owncloud.android.network.OwnCloudClientUtils;
  34
  35 import android.accounts.Account;
  36 import android.accounts.AccountManager;
  37 import android.accounts.AuthenticatorException;
  38 import android.accounts.OperationCanceledException;
  39 import android.content.AbstractThreadedSyncAdapter;
  40 import android.content.ContentProviderClient;
  41 import android.content.Context;
  42 import eu.alefzero.webdav.WebdavClient;
  43
  44 /**
  45  * Base SyncAdapter for OwnCloud Designed to be subclassed for the concrete
  46  * SyncAdapter, like ConcatsSync, CalendarSync, FileSync etc..
  47  *
  48  * @author sassman
  49  *
  50  */
  51 public abstract class AbstractOwnCloudSyncAdapter extends
  52         AbstractThreadedSyncAdapter {
  53
  54     private AccountManager accountManager;
  55     private Account account;
  56     private ContentProviderClient contentProvider;
  57     private Date lastUpdated;
  58     private DataStorageManager mStoreManager;
  59
  60     private WebdavClient mClient = null;
  61
  62     public AbstractOwnCloudSyncAdapter(Context context, boolean autoInitialize) {
  63         super(context, autoInitialize);
  64         this.setAccountManager(AccountManager.get(context));
  65     }
  66
  67     public AccountManager getAccountManager() {
  68         return accountManager;
  69     }
  70
  71     public void setAccountManager(AccountManager accountManager) {
  72         this.accountManager = accountManager;
  73     }
  74
  75     public Account getAccount() {
  76         return account;
  77     }
  78
  79     public void setAccount(Account account) {
  80         this.account = account;
  81     }
  82
  83     public ContentProviderClient getContentProvider() {
  84         return contentProvider;
  85     }
  86
  87     public void setContentProvider(ContentProviderClient contentProvider) {
  88         this.contentProvider = contentProvider;
  89     }
  90
  91     public Date getLastUpdated() {
  92         return lastUpdated;
  93     }
  94
  95     public void setLastUpdated(Date lastUpdated) {
  96         this.lastUpdated = lastUpdated;
  97     }
  98
  99     public void setStorageManager(DataStorageManager storage_manager) {
 100         mStoreManager = storage_manager;
 101     }
 102
 103     public DataStorageManager getStorageManager() {
 104         return mStoreManager;
 105     }
 106
 107     protected ConnectionKeepAliveStrategy getKeepAliveStrategy() {
 108         return new ConnectionKeepAliveStrategy() {
 109             public long getKeepAliveDuration(HttpResponse response,
 110                     HttpContext context) {
 111                 // Change keep alive straategy basing on response: ie
 112                 // forbidden/not found/etc
 113                 // should have keep alive 0
 114                 // default return: 5s
 115                 int statusCode = response.getStatusLine().getStatusCode();
 116
 117                 // HTTP 400, 500 Errors as well as HTTP 118 - Connection timed
 118                 // out
 119                 if ((statusCode >= 400 && statusCode <= 418)
 120                         || (statusCode >= 421 && statusCode <= 426)
 121                         || (statusCode >= 500 && statusCode <= 510)
 122                         || statusCode == 118) {
 123                     return 0;
 124                 }
 125
 126                 return 5 * 1000;
 127             }
 128         };
 129     }
 130
 131     protected HttpResponse fireRawRequest(HttpRequest query)
 132             throws ClientProtocolException, OperationCanceledException,
 133             AuthenticatorException, IOException {
 134         /*
 135          * BasicHttpContext httpContext = new BasicHttpContext(); BasicScheme
 136          * basicAuth = new BasicScheme();
 137          * httpContext.setAttribute("preemptive-auth", basicAuth);
 138          *
 139          * HttpResponse response = getClient().execute(mHost, query,
 140          * httpContext);
 141          */
 142         return null;
 143     }
 144
 145     protected void initClientForCurrentAccount() throws UnknownHostException {
 146         if (AccountUtils.constructFullURLForAccount(getContext(), account) == null) {
 147             throw new UnknownHostException();
 148         }
 149         mClient = OwnCloudClientUtils.createOwnCloudClient(account, getContext());
 150     }
 151
 152     protected WebdavClient getClient() {
 153         return mClient;
 154     }
 155 }