src/com/owncloud/android/operations/UpdateOCVersionOperation.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2013 ownCloud Inc.
   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 version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.operations;
  19
  20 import org.apache.commons.httpclient.HttpStatus;
  21 import org.apache.commons.httpclient.methods.GetMethod;
  22 import org.json.JSONException;
  23 import org.json.JSONObject;
  24
  25 import android.accounts.Account;
  26 import android.accounts.AccountManager;
  27 import android.content.Context;
  28
  29 import com.owncloud.android.authentication.AccountAuthenticator;
  30 import com.owncloud.android.authentication.AccountUtils;
  31 import com.owncloud.android.Log_OC;
  32 import com.owncloud.android.network.webdav.WebdavClient;
  33 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  34 import com.owncloud.android.utils.OwnCloudVersion;
  35
  36
  37 /**
  38  * Remote operation that checks the version of an ownCloud server and stores it locally
  39  *
  40  * @author David A. Velasco
  41  */
  42 public class UpdateOCVersionOperation extends RemoteOperation {
  43
  44     private static final String TAG = UpdateOCVersionOperation.class.getSimpleName();
  45
  46     private Account mAccount;
  47     private Context mContext;
  48
  49
  50     public UpdateOCVersionOperation(Account account, Context context) {
  51         mAccount = account;
  52         mContext = context;
  53     }
  54
  55
  56     @Override
  57     protected RemoteOperationResult run(WebdavClient client) {
  58         AccountManager accountMngr = AccountManager.get(mContext);
  59         String statUrl = accountMngr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
  60         statUrl += AccountUtils.STATUS_PATH;
  61         RemoteOperationResult result = null;
  62         GetMethod get = null;
  63         try {
  64             get = new GetMethod(statUrl);
  65             int status = client.executeMethod(get);
  66             if (status != HttpStatus.SC_OK) {
  67                 client.exhaustResponse(get.getResponseBodyAsStream());
  68                 result = new RemoteOperationResult(false, status, get.getResponseHeaders());
  69
  70             } else {
  71                 String response = get.getResponseBodyAsString();
  72                 if (response != null) {
  73                     JSONObject json = new JSONObject(response);
  74                     if (json != null && json.getString("version") != null) {
  75                         OwnCloudVersion ocver = new OwnCloudVersion(json.getString("version"));
  76                         if (ocver.isVersionValid()) {
  77                             accountMngr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION, ocver.toString());
  78                             Log_OC.d(TAG, "Got new OC version " + ocver.toString());
  79                             result = new RemoteOperationResult(ResultCode.OK);
  80
  81                         } else {
  82                             Log_OC.w(TAG, "Invalid version number received from server: " + json.getString("version"));
  83                             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
  84                         }
  85                     }
  86                 }
  87                 if (result == null) {
  88                     result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  89                 }
  90             }
  91             Log_OC.i(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage());
  92
  93         } catch (JSONException e) {
  94             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  95             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
  96
  97         } catch (Exception e) {
  98             result = new RemoteOperationResult(e);
  99             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
 100
 101         } finally {
 102             if (get != null)
 103                 get.releaseConnection();
 104         }
 105         return result;
 106     }
 107
 108 }