src/com/owncloud/android/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 com.owncloud.android.utils;
  20
  21 public class OwnCloudVersion implements Comparable<OwnCloudVersion> {
  22     public static final OwnCloudVersion owncloud_v1 = new OwnCloudVersion(
  23             0x010000);
  24     public static final OwnCloudVersion owncloud_v2 = new OwnCloudVersion(
  25             0x020000);
  26     public static final OwnCloudVersion owncloud_v3 = new OwnCloudVersion(
  27             0x030000);
  28     public static final OwnCloudVersion owncloud_v4 = new OwnCloudVersion(
  29             0x040000);
  30
  31     // format is in version
  32     // 0xAABBCC
  33     // for version AA.BB.CC
  34     // ie version 3.0.3 will be stored as 0x030003
  35     private int mVersion;
  36     private boolean mIsValid;
  37
  38     public OwnCloudVersion(int version) {
  39         mVersion = version;
  40         mIsValid = true;
  41     }
  42
  43     public OwnCloudVersion(String version) {
  44         mVersion = 0;
  45         mIsValid = false;
  46         parseVersionString(version);
  47     }
  48
  49     public String toString() {
  50         return ((mVersion >> 16) % 256) + "." + ((mVersion >> 8) % 256) + "."
  51                 + ((mVersion) % 256);
  52     }
  53
  54     public boolean isVersionValid() {
  55         return mIsValid;
  56     }
  57
  58     @Override
  59     public int compareTo(OwnCloudVersion another) {
  60         return another.mVersion == mVersion ? 0
  61                 : another.mVersion < mVersion ? 1 : -1;
  62     }
  63
  64     private void parseVersionString(String version) {
  65         try {
  66             String[] nums = version.split("\\.");
  67             if (nums.length > 0) {
  68                 mVersion += Integer.parseInt(nums[0]);
  69             }
  70             mVersion = mVersion << 8;
  71             if (nums.length > 1) {
  72                 mVersion += Integer.parseInt(nums[1]);
  73             }
  74             mVersion = mVersion << 8;
  75             if (nums.length > 2) {
  76                 mVersion += Integer.parseInt(nums[2]);
  77             }
  78             mIsValid = true;
  79         } catch (Exception e) {
  80             mIsValid = false;
  81         }
  82     }
  83 }