Commit | Line | Data |
---|---|---|
3f1e748c BH |
1 | /********************************************************************** |
2 | * Copyright (c) 2013 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Bernd Hufmann - Initial API and implementation | |
11 | **********************************************************************/ | |
8e8c0226 | 12 | package org.eclipse.linuxtools.internal.lttng2.control.ui.views.service; |
3f1e748c BH |
13 | |
14 | import org.osgi.framework.Version; | |
15 | ||
16 | /** | |
17 | * A version implementation with a special compareTo implementation | |
18 | * to bypass problems of older implementation of org.osgi.framework.Version. | |
19 | * | |
20 | * @author Bernd Hufmann | |
21 | */ | |
22 | public class LttngVersion extends Version { | |
23 | ||
24 | /** | |
25 | * Constructor | |
26 | * | |
27 | * @param version | |
28 | * The version string | |
29 | */ | |
30 | public LttngVersion(String version) { | |
31 | super(version); | |
32 | } | |
33 | ||
34 | /** | |
35 | * Special compareTo method to fix problem of older implementations of org.osgi.framework.Version | |
36 | * where {@code Version.compareTo} takes an {@code Object} instead a {@code Version} as argument. | |
37 | * | |
38 | * @param other | |
39 | * - Other version to compare | |
40 | * @return a negative integer, zero, or a positive integer if this version | |
41 | * is less than, equal to, or greater than the specified | |
42 | * {@code LttngVersion} object. | |
43 | */ | |
44 | public int compareTo(LttngVersion other) { | |
45 | if (other == this) { // quicktest | |
46 | return 0; | |
47 | } | |
48 | ||
49 | int result = getMajor() - other.getMajor(); | |
50 | if (result != 0) { | |
51 | return result; | |
52 | } | |
53 | ||
54 | result = getMinor() - other.getMinor(); | |
55 | if (result != 0) { | |
56 | return result; | |
57 | } | |
58 | ||
59 | result = getMicro() - other.getMicro(); | |
60 | if (result != 0) { | |
61 | return result; | |
62 | } | |
63 | return getQualifier().compareTo(other.getQualifier()); | |
64 | } | |
65 | } |