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

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.operations;
  22
  23 import org.apache.commons.httpclient.HttpStatus;
  24 import org.apache.commons.httpclient.methods.GetMethod;
  25 import org.json.JSONException;
  26 import org.json.JSONObject;
  27
  28 import com.owncloud.android.authentication.AccountUtils;
  29 import com.owncloud.android.lib.common.OwnCloudClient;
  30 import com.owncloud.android.lib.common.accounts.AccountUtils.Constants;
  31 import com.owncloud.android.lib.common.operations.RemoteOperation;
  32 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  33 import com.owncloud.android.lib.common.operations.RemoteOperationResult.ResultCode;
  34 import com.owncloud.android.lib.common.utils.Log_OC;
  35 import com.owncloud.android.lib.resources.status.OwnCloudVersion;
  36
  37 import android.accounts.Account;
  38 import android.accounts.AccountManager;
  39 import android.content.Context;
  40
  41
  42 /**
  43  * Remote operation that checks the version of an ownCloud server and stores it locally
  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     private OwnCloudVersion mOwnCloudVersion;
  52
  53
  54     public UpdateOCVersionOperation(Account account, Context context) {
  55         mAccount = account;
  56         mContext = context;
  57         mOwnCloudVersion = null;
  58     }
  59
  60
  61     @Override
  62     protected RemoteOperationResult run(OwnCloudClient client) {
  63         AccountManager accountMngr = AccountManager.get(mContext);
  64         String statUrl = accountMngr.getUserData(mAccount, Constants.KEY_OC_BASE_URL);
  65         statUrl += AccountUtils.STATUS_PATH;
  66         RemoteOperationResult result = null;
  67         GetMethod get = null;
  68         try {
  69             get = new GetMethod(statUrl);
  70             int status = client.executeMethod(get);
  71             if (status != HttpStatus.SC_OK) {
  72                 client.exhaustResponse(get.getResponseBodyAsStream());
  73                 result = new RemoteOperationResult(false, status, get.getResponseHeaders());
  74
  75             } else {
  76                 String response = get.getResponseBodyAsString();
  77                 if (response != null) {
  78                     JSONObject json = new JSONObject(response);
  79                     if (json != null && json.getString("version") != null) {
  80
  81                         String version = json.getString("version");
  82                         mOwnCloudVersion = new OwnCloudVersion(version);
  83                         if (mOwnCloudVersion.isVersionValid()) {
  84                             accountMngr.setUserData(mAccount, Constants.KEY_OC_VERSION, mOwnCloudVersion.getVersion());
  85                             Log_OC.d(TAG, "Got new OC version " + mOwnCloudVersion.toString());
  86
  87                             result = new RemoteOperationResult(ResultCode.OK);
  88
  89                         } else {
  90                             Log_OC.w(TAG, "Invalid version number received from server: " + json.getString("version"));
  91                             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.BAD_OC_VERSION);
  92                         }
  93                     }
  94                 }
  95                 if (result == null) {
  96                     result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
  97                 }
  98             }
  99             Log_OC.i(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage());
 100
 101         } catch (JSONException e) {
 102             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.INSTANCE_NOT_CONFIGURED);
 103             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage(), e);
 104
 105         } catch (Exception e) {
 106             result = new RemoteOperationResult(e);
 107             Log_OC.e(TAG, "Check for update of ownCloud server version at " + client.getWebdavUri() + ": " + result.getLogMessage(), e);
 108
 109         } finally {
 110             if (get != null)
 111                 get.releaseConnection();
 112         }
 113         return result;
 114     }
 115
 116
 117     public OwnCloudVersion getOCVersion() {
 118         return mOwnCloudVersion;
 119     }
 120
 121 }