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.oc_framework.accounts.OwnCloudAccount;
  33 import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
  34 import com.owncloud.android.oc_framework.operations.RemoteOperation;
  35 import com.owncloud.android.oc_framework.operations.RemoteOperationResult;
  36 import com.owncloud.android.oc_framework.operations.RemoteOperationResult.ResultCode;
  37 import com.owncloud.android.oc_framework.utils.OwnCloudVersion;
  38
  39
  40 /**
  41  * Remote operation that checks the version of an ownCloud server and stores it locally
  42  *
  43  * @author David A. Velasco
  44  */
  45 public class UpdateOCVersionOperation extends RemoteOperation {
  46
  47     private static final String TAG = UpdateOCVersionOperation.class.getSimpleName();
  48
  49     private Account mAccount;
  50     private Context mContext;
  51
  52
  53     public UpdateOCVersionOperation(Account account, Context context) {
  54         mAccount = account;
  55         mContext = context;
  56     }
  57
  58
  59     @Override
  60     protected RemoteOperationResult run(WebdavClient client) {
  61         AccountManager accountMngr = AccountManager.get(mContext);
  62         String statUrl = accountMngr.getUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_BASE_URL);
  63         statUrl += AccountUtils.STATUS_PATH;
  64         RemoteOperationResult result = null;
  65         GetMethod get = null;
  66         try {
  67             get = new GetMethod(statUrl);
  68             int status = client.executeMethod(get);
  69             if (status != HttpStatus.SC_OK) {
  70                 client.exhaustResponse(get.getResponseBodyAsStream());
  71                 result = new RemoteOperationResult(false, status, get.getResponseHeaders());
  72
  73             } else {
  74                 String response = get.getResponseBodyAsString();
  75                 if (response != null) {
  76                     JSONObject json = new JSONObject(response);
  77                     if (json != null && json.getString("version") != null) {
  78                         OwnCloudVersion ocver = new OwnCloudVersion(json.getString("version"));
  79                         if (ocver.isVersionValid()) {
  80                             accountMngr.setUserData(mAccount, OwnCloudAccount.Constants.KEY_OC_VERSION, ocver.toString());
  81                             Log_OC.d(TAG, "Got new OC version " + ocver.toString());
  82                             result = new RemoteOperationResult(ResultCode.OK);
  83
  84                         } else {
  85                             Log_OC.w(TAG, "Invalid version number received from server: " + json.getString("version"));
  86                             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
  87                         }
  88                     }
  89                 }
  90                 if (result == null) {
  91                     result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  92                 }
  93             }
  94             Log_OC.i(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage());
  95
  96         } catch (JSONException e) {
  97             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  98             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
  99
 100         } catch (Exception e) {
 101             result = new RemoteOperationResult(e);
 102             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
 103
 104         } finally {
 105             if (get != null)
 106                 get.releaseConnection();
 107         }
 108         return result;
 109     }
 110
 111 }