src/com/owncloud/android/utils/OwnCloudVersion.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   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.utils;
  21
  22 public class OwnCloudVersion implements Comparable<OwnCloudVersion> {
  23     public static final OwnCloudVersion owncloud_v1 = new OwnCloudVersion(
  24             0x010000);
  25     public static final OwnCloudVersion owncloud_v2 = new OwnCloudVersion(
  26             0x020000);
  27     public static final OwnCloudVersion owncloud_v3 = new OwnCloudVersion(
  28             0x030000);
  29     public static final OwnCloudVersion owncloud_v4 = new OwnCloudVersion(
  30             0x040000);
  31     public static final OwnCloudVersion owncloud_v4_5 = new OwnCloudVersion(
  32             0x040500);
  33
  34     // format is in version
  35     // 0xAABBCC
  36     // for version AA.BB.CC
  37     // ie version 2.0.3 will be stored as 0x030003
  38     private int mVersion;
  39     private boolean mIsValid;
  40
  41     public OwnCloudVersion(int version) {
  42         mVersion = version;
  43         mIsValid = true;
  44     }
  45
  46     public OwnCloudVersion(String version) {
  47         mVersion = 0;
  48         mIsValid = false;
  49         parseVersionString(version);
  50     }
  51
  52     public String toString() {
  53         return ((mVersion >> 16) % 256) + "." + ((mVersion >> 8) % 256) + "."
  54                 + ((mVersion) % 256);
  55     }
  56
  57     public boolean isVersionValid() {
  58         return mIsValid;
  59     }
  60
  61     @Override
  62     public int compareTo(OwnCloudVersion another) {
  63         return another.mVersion == mVersion ? 0
  64                 : another.mVersion < mVersion ? 1 : -1;
  65     }
  66
  67     private void parseVersionString(String version) {
  68         try {
  69             String[] nums = version.split("\\.");
  70             if (nums.length > 0) {
  71                 mVersion += Integer.parseInt(nums[0]);
  72             }
  73             mVersion = mVersion << 8;
  74             if (nums.length > 1) {
  75                 mVersion += Integer.parseInt(nums[1]);
  76             }
  77             mVersion = mVersion << 8;
  78             if (nums.length > 2) {
  79                 mVersion += Integer.parseInt(nums[2]);
  80             }
  81             mIsValid = true;
  82         } catch (Exception e) {
  83             mIsValid = false;
  84         }
  85     }
  86 }