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

   1 /* ownCloud Android client application
   2  *
   3  *   @author David A. Velasco
   4  *   Copyright (C) 2012-2013 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 package com.owncloud.android.operations;
  21
  22 import org.apache.commons.httpclient.HttpStatus;
  23 import org.apache.commons.httpclient.methods.GetMethod;
  24 import org.json.JSONException;
  25 import org.json.JSONObject;
  26
  27 import com.owncloud.android.authentication.AccountUtils;
  28 import com.owncloud.android.lib.common.OwnCloudClient;
  29 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  30 import com.owncloud.android.lib.common.operations.RemoteOperation;
  31 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  32 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  33 import com.owncloud.android.lib.common.utils.Log_OC;
  34 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountManager;
  38 import android.content.Context;
  39
  40
  41 /**
  42  * Remote operation that checks the version of an ownCloud server and stores it locally
  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     private OwnCloudVersion mOwnCloudVersion;
  51
  52
  53     public UpdateOCVersionOperation(Account account, Context context) {
  54         mAccount = account;
  55         mContext = context;
  56         mOwnCloudVersion = null;
  57     }
  58
  59
  60     @Override
  61     protected RemoteOperationResult run(OwnCloudClient client) {
  62         AccountManager accountMngr = AccountManager.get(mContext);
  63         String statUrl = accountMngr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
  64         statUrl += AccountUtils.STATUS_PATH;
  65         RemoteOperationResult result = null;
  66         GetMethod get = null;
  67         try {
  68             get = new GetMethod(statUrl);
  69             int status = client.executeMethod(get);
  70             if (status != HttpStatus.SC_OK) {
  71                 client.exhaustResponse(get.getResponseBodyAsStream());
  72                 result = new RemoteOperationResult(false, status, get.getResponseHeaders());
  73
  74             } else {
  75                 String response = get.getResponseBodyAsString();
  76                 if (response != null) {
  77                     JSONObject json = new JSONObject(response);
  78                     if (json != null && json.getString("version") != null) {
  79
  80                         String version = json.getString("version");
  81                         mOwnCloudVersion = new OwnCloudVersion(version);
  82                         if (mOwnCloudVersion.isVersionValid()) {
  83                             accountMngr.setUserData(mAccount, Constants.KEY_OC_VERSION, mOwnCloudVersion.getVersion());
  84                             Log_OC.d(TAG, "Got new OC version " + mOwnCloudVersion.toString());
  85
  86                             result = new RemoteOperationResult(ResultCode.OK);
  87
  88                         } else {
  89                             Log_OC.w(TAG, "Invalid version number received from server: " + json.getString("version"));
  90                             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
  91                         }
  92                     }
  93                 }
  94                 if (result == null) {
  95                     result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  96                 }
  97             }
  98             Log_OC.i(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage());
  99
 100         } catch (JSONException e) {
 101             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
 102             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage(), e);
 103
 104         } catch (Exception e) {
 105             result = new RemoteOperationResult(e);
 106             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage(), e);
 107
 108         } finally {
 109             if (get != null)
 110                 get.releaseConnection();
 111         }
 112         return result;
 113     }
 114
 115
 116     public OwnCloudVersion getOCVersion() {
 117         return mOwnCloudVersion;
 118     }
 119
 120 }