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.authentication.AccountUtils;
  32 import com.owncloud.android.authentication.AccountUtils.AccountNotFoundException;
  33 import com.owncloud.android.datamodel.DataStorageManager;
  34 import com.owncloud.android.network.OwnCloudClientUtils;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountManager;
  38 import android.accounts.AuthenticatorException;
  39 import android.accounts.OperationCanceledException;
  40 import android.content.AbstractThreadedSyncAdapter;
  41 import android.content.ContentProviderClient;
  42 import android.content.Context;
  43 import eu.alefzero.webdav.WebdavClient;
  44
  45 /**
  46  * Base synchronization adapter for ownCloud designed to be subclassed for different
  47  * resource types, like FileSync, ConcatsSync, CalendarSync, etc..
  48  *
  49  * Implements the standard {@link AbstractThreadedSyncAdapter}.
  50  *
  51  * @author sassman
  52  * @author David A. Velasco
  53  */
  54 public abstract class AbstractOwnCloudSyncAdapter extends
  55         AbstractThreadedSyncAdapter {
  56
  57     private AccountManager accountManager;
  58     private Account account;
  59     private ContentProviderClient contentProvider;
  60     //private Date lastUpdated;
  61     private DataStorageManager mStoreManager;
  62
  63     private WebdavClient mClient = null;
  64
  65     public AbstractOwnCloudSyncAdapter(Context context, boolean autoInitialize) {
  66         super(context, autoInitialize);
  67         this.setAccountManager(AccountManager.get(context));
  68     }
  69
  70     public AccountManager getAccountManager() {
  71         return accountManager;
  72     }
  73
  74     public void setAccountManager(AccountManager accountManager) {
  75         this.accountManager = accountManager;
  76     }
  77
  78     public Account getAccount() {
  79         return account;
  80     }
  81
  82     public void setAccount(Account account) {
  83         this.account = account;
  84     }
  85
  86     public ContentProviderClient getContentProvider() {
  87         return contentProvider;
  88     }
  89
  90     public void setContentProvider(ContentProviderClient contentProvider) {
  91         this.contentProvider = contentProvider;
  92     }
  93
  94     public void setStorageManager(DataStorageManager storage_manager) {
  95         mStoreManager = storage_manager;
  96     }
  97
  98     public DataStorageManager getStorageManager() {
  99         return mStoreManager;
 100     }
 101
 102     protected void initClientForCurrentAccount() throws OperationCanceledException, AuthenticatorException, IOException, AccountNotFoundException {
 103         AccountUtils.constructFullURLForAccount(getContext(), account);
 104         mClient = OwnCloudClientUtils.createOwnCloudClient(account, getContext());
 105     }
 106
 107     protected WebdavClient getClient() {
 108         return mClient;
 109     }
 110
 111
 112     /* method called by ContactSyncAdapter, that is never used */
 113     protected HttpResponse fireRawRequest(HttpRequest query)
 114             throws ClientProtocolException, OperationCanceledException,
 115             AuthenticatorException, IOException {
 116         /*
 117          * BasicHttpContext httpContext = new BasicHttpContext(); BasicScheme
 118          * basicAuth = new BasicScheme();
 119          * httpContext.setAttribute("preemptive-auth", basicAuth);
 120          *
 121          * HttpResponse response = getClient().execute(mHost, query,
 122          * httpContext);
 123          */
 124         return null;
 125     }
 126
 127     /* methods never used  below */
 128     /*
 129     public Date getLastUpdated() {
 130         return lastUpdated;
 131     }
 132
 133     public void setLastUpdated(Date lastUpdated) {
 134         this.lastUpdated = lastUpdated;
 135     }
 136
 137     protected ConnectionKeepAliveStrategy getKeepAliveStrategy() {
 138         return new ConnectionKeepAliveStrategy() {
 139             public long getKeepAliveDuration(HttpResponse response,
 140                     HttpContext context) {
 141                 // Change keep alive straategy basing on response: ie
 142                 // forbidden/not found/etc
 143                 // should have keep alive 0
 144                 // default return: 5s
 145                 int statusCode = response.getStatusLine().getStatusCode();
 146
 147                 // HTTP 400, 500 Errors as well as HTTP 118 - Connection timed
 148                 // out
 149                 if ((statusCode >= 400 && statusCode <= 418)
 150                         || (statusCode >= 421 && statusCode <= 426)
 151                         || (statusCode >= 500 && statusCode <= 510)
 152                         || statusCode == 118) {
 153                     return 0;
 154                 }
 155
 156                 return 5 * 1000;
 157             }
 158         };
 159     }
 160      */
 161 }