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

   1 /* ownCloud Android Library is available under MIT license
   2  *   Copyright (C) 2014 ownCloud (http://www.owncloud.org/)
   3  *   Copyright (C) 2012  Bartek Przybylski
   4  *
   5  *   Permission is hereby granted, free of charge, to any person obtaining a copy
   6  *   of this software and associated documentation files (the "Software"), to deal
   7  *   in the Software without restriction, including without limitation the rights
   8  *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  *   copies of the Software, and to permit persons to whom the Software is
  10  *   furnished to do so, subject to the following conditions:
  11  *
  12  *   The above copyright notice and this permission notice shall be included in
  13  *   all copies or substantial portions of the Software.
  14  *
  15  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  *   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  *   THE SOFTWARE.
  23  *
  24  */
  25
  26 package com.owncloud.android.lib.utils;
  27
  28 public class OwnCloudVersion implements Comparable<OwnCloudVersion> {
  29     public static final OwnCloudVersion owncloud_v1 = new OwnCloudVersion(
  30             0x010000);
  31     public static final OwnCloudVersion owncloud_v2 = new OwnCloudVersion(
  32             0x020000);
  33     public static final OwnCloudVersion owncloud_v3 = new OwnCloudVersion(
  34             0x030000);
  35     public static final OwnCloudVersion owncloud_v4 = new OwnCloudVersion(
  36             0x040000);
  37     public static final OwnCloudVersion owncloud_v4_5 = new OwnCloudVersion(
  38             0x040500);
  39
  40     // format is in version
  41     // 0xAABBCC
  42     // for version AA.BB.CC
  43     // ie version 2.0.3 will be stored as 0x030003
  44     private int mVersion;
  45     private boolean mIsValid;
  46
  47     public OwnCloudVersion(int version) {
  48         mVersion = version;
  49         mIsValid = true;
  50     }
  51
  52     public OwnCloudVersion(String version) {
  53         mVersion = 0;
  54         mIsValid = false;
  55         parseVersionString(version);
  56     }
  57
  58     public String toString() {
  59         return ((mVersion >> 16) % 256) + "." + ((mVersion >> 8) % 256) + "."
  60                 + ((mVersion) % 256);
  61     }
  62
  63     public boolean isVersionValid() {
  64         return mIsValid;
  65     }
  66
  67     @Override
  68     public int compareTo(OwnCloudVersion another) {
  69         return another.mVersion == mVersion ? 0
  70                 : another.mVersion < mVersion ? 1 : -1;
  71     }
  72
  73     private void parseVersionString(String version) {
  74         try {
  75             String[] nums = version.split("\\.");
  76             if (nums.length > 0) {
  77                 mVersion += Integer.parseInt(nums[0]);
  78             }
  79             mVersion = mVersion << 8;
  80             if (nums.length > 1) {
  81                 mVersion += Integer.parseInt(nums[1]);
  82             }
  83             mVersion = mVersion << 8;
  84             if (nums.length > 2) {
  85                 mVersion += Integer.parseInt(nums[2]);
  86             }
  87             mIsValid = true;
  88         } catch (Exception e) {
  89             mIsValid = false;
  90         }
  91     }
  92 }