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1
5 package com.tc.util;
6
7 import org.apache.commons.cli.CommandLine;
8 import org.apache.commons.cli.CommandLineParser;
9 import org.apache.commons.cli.GnuParser;
10 import org.apache.commons.cli.HelpFormatter;
11 import org.apache.commons.cli.Options;
12 import org.apache.commons.lang.StringUtils;
13
14 import com.tc.logging.TCLogger;
15 import com.tc.logging.TCLogging;
16
17 import java.io.IOException  ;
18 import java.io.InputStream ;
19 import java.text.DateFormat ;
20 import java.text.ParseException ;
21 import java.text.SimpleDateFormat ;
22 import java.util.Date ;
23 import java.util.Properties ;
24
25
28 public final class ProductInfo {
29 private static final ResourceBundleHelper bundleHelper = new ResourceBundleHelper(ProductInfo.class);
30
31 private static final DateFormat DATE_FORMAT = new SimpleDateFormat ("yyyyMMdd-HHmmss");
32
33 private static final String BUILD_DATA_RESOURCE_NAME = "/build-data.txt";
34
35 private static final String BUILD_DATA_ROOT_KEY = "terracotta.build.";
36 private static final String BUILD_DATA_VERSION_KEY = "version";
37 private static final String BUILD_DATA_TIMESTAMP_KEY = "timestamp";
38 private static final String BUILD_DATA_HOST_KEY = "host";
39 private static final String BUILD_DATA_USER_KEY = "user";
40 private static final String BUILD_DATA_CHANGESET_KEY = "revision";
41 private static final String BUILD_DATA_CHANGE_TAG_KEY = "change-tag";
42 private static final String BUILD_DATA_BRANCH_KEY = "branch";
43
44 private static final String UNKNOWN_VALUE = "[unknown]";
45
46 private static final TCLogger logger = TCLogging.getLogger(ProductInfo.class);
61
62 private final String moniker;
63 private final String version;
64 private final Date timestamp;
65 private final String host;
66 private final String user;
67 private final String changeset;
68 private final String changeTag;
69 private final String branch;
70
71 private ProductInfo(InputStream in, String fromWhere) {
72 Properties properties = new Properties ();
73
74 moniker = bundleHelper.getString("moniker");
75
76 if (in != null) {
77 try {
78 properties.load(in);
79 } catch (IOException ioe) {
80 logger.warn(bundleHelper.format("load.properties.failure", new Object [] { fromWhere }));
81 }
82 }
83
84 this.version = getProperty(properties, BUILD_DATA_VERSION_KEY, UNKNOWN_VALUE);
85 String timestampString = getProperty(properties, BUILD_DATA_TIMESTAMP_KEY, null);
86 this.host = getProperty(properties, BUILD_DATA_HOST_KEY, UNKNOWN_VALUE);
87 this.user = getProperty(properties, BUILD_DATA_USER_KEY, UNKNOWN_VALUE);
88 this.changeset = getProperty(properties, BUILD_DATA_CHANGESET_KEY, UNKNOWN_VALUE);
89 this.changeTag = getProperty(properties, BUILD_DATA_CHANGE_TAG_KEY, null);
90 this.branch = getProperty(properties, BUILD_DATA_BRANCH_KEY, UNKNOWN_VALUE);
91
92 Date realTimestamp = null;
93 if (timestampString != null) {
94 try {
95 realTimestamp = DATE_FORMAT.parse(timestampString);
96 } catch (ParseException pe) {
97 logger.warn(bundleHelper.format("invalid.timestamp", new Object [] { timestampString }));
98 }
99 }
100
101 this.timestamp = realTimestamp;
102 }
103
104 private String getProperty(Properties properties, String name, String defaultValue) {
105 String out = properties.getProperty(BUILD_DATA_ROOT_KEY + name);
106 if (StringUtils.isBlank(out)) out = defaultValue;
107 return out;
108 }
109
110 private static ProductInfo thisProductInfo = null;
111
112 public static synchronized ProductInfo getThisProductInfo() {
113 if (thisProductInfo == null) {
114 InputStream in = ProductInfo.class.getResourceAsStream(BUILD_DATA_RESOURCE_NAME);
115 thisProductInfo = new ProductInfo(in, "resource '" + BUILD_DATA_RESOURCE_NAME + "'");
116 }
117
118 return thisProductInfo;
119 }
120
121 public boolean isDevMode() {
122 return this.version.endsWith(UNKNOWN_VALUE);
123 }
124
125 public String moniker() {
126 return this.moniker;
127 }
128
129 public String rawVersion() {
130 return this.version;
131 }
132
133 public String buildVersion() {
134 return this.version;
135 }
136
137 public Date buildTimestamp() {
138 return this.timestamp;
139 }
140
141 public String buildTimestampAsString() {
142 if (this.timestamp == null) return UNKNOWN_VALUE;
143 else return DATE_FORMAT.format(this.timestamp);
144 }
145
146 public String buildHost() {
147 return this.host;
148 }
149
150 public String buildUser() {
151 return this.user;
152 }
153
154 public String buildChangeset() {
155 return this.changeset;
156 }
157
158 public String buildChangeTag() {
159 return this.changeTag;
160 }
161
162 public String buildBranch() {
163 return this.branch;
164 }
165
166 public String copyright() {
167 return bundleHelper.getString("copyright");
168 }
169
170 public String toShortString() {
171 return this.moniker + " version " + buildVersion();
172 }
173
174 public String toLongString() {
175 return toShortString() + ", as of " + buildTimestampAsString() + " (Revision " + buildChangeset()
176 + (buildChangeTag() != null ? " (" + buildChangeTag() + ")" : "") + " by " + buildUser() + "@" + buildHost()
177 + " from " + buildBranch() + ")";
178 }
179
180 public String toString() {
181 return toShortString();
182 }
183
184 public static void main(String [] args) throws Exception {
185 Options options = new Options();
186 options.addOption("v", "verbose", false, bundleHelper.getString("option.verbose"));
187 options.addOption("h", "help", false, bundleHelper.getString("option.help"));
188
189 CommandLineParser parser = new GnuParser();
190 CommandLine cli = parser.parse(options, args);
191
192 if (cli.hasOption("h")) {
193 new HelpFormatter().printHelp("java " + ProductInfo.class.getName(), options);
194 }
195
196 if (cli.hasOption("v")) {
197 System.out.println(getThisProductInfo().toLongString());
198 } else {
199 System.out.println(getThisProductInfo().toShortString());
200 }
201 }
202 }
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