src/eu/alefzero/owncloud/utils/OwnCloudVersion.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012  Bartek Przybylski
   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 3 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 eu.alefzero.owncloud.utils;
  20
  21 public class OwnCloudVersion implements Comparable<OwnCloudVersion> {
  22   public static final OwnCloudVersion owncloud_v1 = new OwnCloudVersion(0x010000);
  23   public static final OwnCloudVersion owncloud_v2 = new OwnCloudVersion(0x020000);
  24   public static final OwnCloudVersion owncloud_v3 = new OwnCloudVersion(0x030000);
  25   public static final OwnCloudVersion owncloud_v4 = new OwnCloudVersion(0x040000);
  26
  27   // format is in version
  28   // 0xAABBCC
  29   // for version AA.BB.CC
  30   // ie version 3.0.3 will be stored as 0x030003
  31   private int mVersion;
  32   private boolean mIsValid;
  33
  34   public OwnCloudVersion(int version) {
  35     mVersion = version;
  36     mIsValid = true;
  37   }
  38
  39   public OwnCloudVersion(String version) {
  40     mVersion = 0;
  41     mIsValid = false;
  42     parseVersionString(version);
  43   }
  44
  45   public String toString() {
  46     return ((mVersion >> 16)%256) + "." +
  47            ((mVersion >> 8)%256) + "." +
  48            ((mVersion)%256);
  49   }
  50
  51   public boolean isVersionValid() {
  52     return mIsValid;
  53   }
  54
  55   @Override
  56   public int compareTo(OwnCloudVersion another) {
  57     return another.mVersion == mVersion ? 0 :
  58            another.mVersion < mVersion ? 1 : -1;
  59   }
  60
  61   private void parseVersionString(String version) {
  62     try {
  63       String[] nums = version.split("\\.");
  64       if (nums.length > 0) {
  65         mVersion += Integer.parseInt(nums[0]);
  66       }
  67       mVersion = mVersion << 8;
  68       if (nums.length > 1) {
  69         mVersion += Integer.parseInt(nums[1]);
  70       }
  71       mVersion = mVersion << 8;
  72       if (nums.length > 2) {
  73         mVersion += Integer.parseInt(nums[2]);
  74       }
  75       mIsValid = true;
  76     } catch (Exception e) {
  77       mIsValid = false;
  78     }
  79   }
  80 }