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 version 2,
   7  *   as published by the Free Software Foundation.
   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     public static final OwnCloudVersion owncloud_v4_5 = new OwnCloudVersion(
  31             0x040500);
  32
  33     // format is in version
  34     // 0xAABBCC
  35     // for version AA.BB.CC
  36     // ie version 2.0.3 will be stored as 0x030003
  37     private int mVersion;
  38     private boolean mIsValid;
  39
  40     public OwnCloudVersion(int version) {
  41         mVersion = version;
  42         mIsValid = true;
  43     }
  44
  45     public OwnCloudVersion(String version) {
  46         mVersion = 0;
  47         mIsValid = false;
  48         parseVersionString(version);
  49     }
  50
  51     public String toString() {
  52         return ((mVersion >> 16) % 256) + "." + ((mVersion >> 8) % 256) + "."
  53                 + ((mVersion) % 256);
  54     }
  55
  56     public boolean isVersionValid() {
  57         return mIsValid;
  58     }
  59
  60     @Override
  61     public int compareTo(OwnCloudVersion another) {
  62         return another.mVersion == mVersion ? 0
  63                 : another.mVersion < mVersion ? 1 : -1;
  64     }
  65
  66     private void parseVersionString(String version) {
  67         try {
  68             String[] nums = version.split("\\.");
  69             if (nums.length > 0) {
  70                 mVersion += Integer.parseInt(nums[0]);
  71             }
  72             mVersion = mVersion << 8;
  73             if (nums.length > 1) {
  74                 mVersion += Integer.parseInt(nums[1]);
  75             }
  76             mVersion = mVersion << 8;
  77             if (nums.length > 2) {
  78                 mVersion += Integer.parseInt(nums[2]);
  79             }
  80             mIsValid = true;
  81         } catch (Exception e) {
  82             mIsValid = false;
  83         }
  84     }
  85 }