1 | /* |
2 | * $Id: CvsVersionProperties.java,v 1.8 2006/02/15 08:31:37 hastings Exp $ |
3 | * |
4 | * Copyright (c) 2004, Moebius Solutions, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * |
11 | * Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * |
14 | * Redistributions in binary form must reproduce the above |
15 | * copyright notice, this list of conditions and the following |
16 | * disclaimer in the documentation and/or other materials provided |
17 | * with the distribution. |
18 | * |
19 | * Neither the name of Moebius Solutions, Inc. nor the names of |
20 | * its contributors may be used to endorse or promote products |
21 | * derived from this software without specific prior written |
22 | * permission. |
23 | * |
24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
25 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
26 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
27 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
28 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
29 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
30 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
31 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
32 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
33 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
34 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
35 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
36 | */ |
37 | |
38 | package com.moesol.util; |
39 | |
40 | import java.io.BufferedReader; |
41 | import java.io.File; |
42 | import java.io.FileReader; |
43 | import java.io.IOException; |
44 | import java.io.Reader; |
45 | import java.text.MessageFormat; |
46 | import java.text.SimpleDateFormat; |
47 | import java.util.Date; |
48 | |
49 | /** |
50 | * @author Robert Hastings |
51 | * |
52 | * Extract the cvs tag from the CVS/Entries file if one exists and then |
53 | * write out a properties file that represents the extracted version |
54 | * information. The tag is expected to be formated {tag_prefix}_{a}_{b}_{c}_{d}. |
55 | * The generated version number will then be a.b.c.d. If no tag exists the |
56 | * generated version number is 0.{build_year}.{build_date}.{build_time}. |
57 | */ |
58 | public class CvsVersionProperties extends BaseVersionProperties { |
59 | public static void main(String[] args) { |
60 | if (args.length != 3) { |
61 | System.err.println("usage: " + CvsVersionProperties.class.getName() |
62 | + " <tag_prefix> <filename> <outputname>"); |
63 | System.exit(2); |
64 | } |
65 | CvsVersionProperties vp = new CvsVersionProperties(); |
66 | try { |
67 | vp.m_tag_prefix = args[0]; |
68 | vp.m_filename = args[1]; |
69 | vp.readVersionProperties(); |
70 | vp.writeVersionProperties(args[2]); |
71 | } catch (IOException e) { |
72 | System.err.println("Failed to setup properties:"); |
73 | e.printStackTrace(System.err); |
74 | System.exit(1); |
75 | } |
76 | System.exit(0); |
77 | } |
78 | private void readVersionProperties() throws IOException { |
79 | String entries_file = "CVS" + File.separator + "Entries"; |
80 | FileReader fr = new FileReader(entries_file); |
81 | try { |
82 | readVersionProperties(fr); |
83 | } finally { |
84 | fr.close(); |
85 | } |
86 | } |
87 | void readVersionProperties(Reader fr) throws IOException { |
88 | if (m_filename == null) { |
89 | throw new IllegalStateException("Filename was never set"); |
90 | } |
91 | |
92 | initVersionDefaults(new Date()); |
93 | |
94 | BufferedReader br = new BufferedReader(fr); |
95 | String line; |
96 | while ((line = br.readLine()) != null) { |
97 | if (line.startsWith("/"+ m_filename +"/")) { |
98 | parseLine(line); |
99 | } |
100 | } |
101 | } |
102 | |
103 | void initVersionDefaults(Date today) { |
104 | m_properties.setProperty("buildVersion", new SimpleDateFormat( |
105 | "0.yyyy.MMdd.HHmm").format(today)); |
106 | m_properties.setProperty("buildVersionCommas", new SimpleDateFormat( |
107 | "0,yyyy,MMdd,HHmm").format(today)); |
108 | m_properties.setProperty("buildDate", |
109 | new SimpleDateFormat("MM/dd/yyyy").format(today)); |
110 | } |
111 | |
112 | void parseLine(String line) { |
113 | String[] parts = line.split("/"); |
114 | String tag = parts.length == 6 ? parts[5] : ""; |
115 | parts = tag.split("_"); |
116 | oldTagStyle(parts); |
117 | newTagStyle(parts); |
118 | } |
119 | /** |
120 | * The old tag style is |
121 | * {prefix}_a_b_c_d. |
122 | * |
123 | * @param parts |
124 | */ |
125 | private void oldTagStyle(String[] parts) { |
126 | String prefix = parts[0]; |
127 | |
128 | if (("T" + m_tag_prefix).equals(prefix)) { |
129 | m_properties.setProperty("buildVersion", |
130 | new MessageFormat("{1}.{2}.{3}.{4}").format(parts)); |
131 | m_properties.setProperty("buildVersionCommas", |
132 | new MessageFormat("{1},{2},{3},{4}").format(parts)); |
133 | } |
134 | } |
135 | /** |
136 | * The new tag style is |
137 | * va_b_c_d, for example v1_0_0_273 |
138 | * @param parts |
139 | */ |
140 | private void newTagStyle(String[] parts) { |
141 | if (isNewStylePrefix(parts)) { |
142 | parts[0] = parts[0].substring(2); |
143 | m_properties.setProperty("buildVersion", |
144 | new MessageFormat("{0}.{1}.{2}.{3}").format(parts)); |
145 | m_properties.setProperty("buildVersionCommas", |
146 | new MessageFormat("{0},{1},{2},{3}").format(parts)); |
147 | } |
148 | } |
149 | /** |
150 | * @param parts |
151 | * @return true if this looks like a new style tag |
152 | */ |
153 | private boolean isNewStylePrefix(String[] parts) { |
154 | if (!parts[0].startsWith("Tv")) { |
155 | return false; |
156 | } |
157 | return Character.isDigit(parts[0].charAt(2)); |
158 | } |
159 | |
160 | /** |
161 | * Set what cvs tag prefix we look for. |
162 | * |
163 | * @param v |
164 | */ |
165 | public void setTagPrefix(String v) { |
166 | m_tag_prefix = v; |
167 | } |
168 | |
169 | /** |
170 | * @param string |
171 | */ |
172 | public void setFilename(String string) { |
173 | m_filename = string; |
174 | } |
175 | |
176 | private String m_tag_prefix = "NONE"; |
177 | private String m_filename = null; |
178 | } |