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 as published by
   6  *   the Free Software Foundation, either version 2 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 com.owncloud.android.operations;
  20
  21 import org.apache.commons.httpclient.HttpStatus;
  22 import org.apache.commons.httpclient.methods.GetMethod;
  23 import org.json.JSONException;
  24 import org.json.JSONObject;
  25
  26 import android.accounts.Account;
  27 import android.accounts.AccountManager;
  28 import android.content.Context;
  29 import android.util.Log;
  30
  31 import com.owncloud.android.AccountUtils;
  32 import com.owncloud.android.Log_OC;
  33 import com.owncloud.android.authenticator.AccountAuthenticator;
  34 import com.owncloud.android.operations.RemoteOperationResult.ResultCode;
  35 import com.owncloud.android.utils.OwnCloudVersion;
  36
  37 import eu.alefzero.webdav.WebdavClient;
  38
  39 /**
  40  * Remote operation that checks the version of an ownCloud server and stores it locally
  41  *
  42  * @author David A. Velasco
  43  */
  44 public class UpdateOCVersionOperation extends RemoteOperation {
  45
  46     private static final String TAG = UpdateOCVersionOperation.class.getSimpleName();
  47
  48     private Account mAccount;
  49     private Context mContext;
  50
  51
  52     public UpdateOCVersionOperation(Account account, Context context) {
  53         mAccount = account;
  54         mContext = context;
  55     }
  56
  57
  58     @Override
  59     protected RemoteOperationResult run(WebdavClient client) {
  60         AccountManager accountMngr = AccountManager.get(mContext);
  61         String statUrl = accountMngr.getUserData(mAccount, AccountAuthenticator.KEY_OC_BASE_URL);
  62         statUrl += AccountUtils.STATUS_PATH;
  63         RemoteOperationResult result = null;
  64         GetMethod get = null;
  65         try {
  66             get = new GetMethod(statUrl);
  67             int status = client.executeMethod(get);
  68             if (status != HttpStatus.SC_OK) {
  69                 client.exhaustResponse(get.getResponseBodyAsStream());
  70                 result = new RemoteOperationResult(false, status);
  71
  72             } else {
  73                 String response = get.getResponseBodyAsString();
  74                 if (response != null) {
  75                     JSONObject json = new JSONObject(response);
  76                     if (json != null && json.getString("version") != null) {
  77                         OwnCloudVersion ocver = new OwnCloudVersion(json.getString("version"));
  78                         if (ocver.isVersionValid()) {
  79                             accountMngr.setUserData(mAccount, AccountAuthenticator.KEY_OC_VERSION, ocver.toString());
  80                             Log_OC.d(TAG, "Got new OC version " + ocver.toString());
  81                             result = new RemoteOperationResult(ResultCode.OK);
  82
  83                         } else {
  84                             Log_OC.w(TAG, "Invalid version number received from server: " + json.getString("version"));
  85                             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
  86                         }
  87                     }
  88                 }
  89                 if (result == null) {
  90                     result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  91                 }
  92             }
  93             Log_OC.i(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage());
  94
  95         } catch (JSONException e) {
  96             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  97             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
  98
  99         } catch (Exception e) {
 100             result = new RemoteOperationResult(e);
 101             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getBaseUri() + ": " + result.getLogMessage(), e);
 102
 103         } finally {
 104             if (get != null)
 105                 get.releaseConnection();
 106         }
 107         return result;
 108     }
 109
 110 }