git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/util/BuildProperties.java

   1 package net.sf.openrocket.util;\r
   2 \r
   3 import java.io.IOException;\r
   4 import java.io.InputStream;\r
   5 import java.util.MissingResourceException;\r
   6 import java.util.Properties;\r
   7 \r
   8 public class BuildProperties {\r
   9 \r
  10         private static final Properties PROPERTIES;\r
  11         private static final String BUILD_VERSION;\r
  12         private static final String BUILD_SOURCE;\r
  13         private static final boolean DEFAULT_CHECK_UPDATES;\r
  14         \r
  15         /**\r
  16          * Return the OpenRocket version number.\r
  17          */\r
  18         public static String getVersion() {\r
  19                 return BUILD_VERSION;\r
  20         }\r
  21         \r
  22         /**\r
  23          * Return the OpenRocket build source (e.g. "default" or "Debian")\r
  24          */\r
  25         public static String getBuildSource() {\r
  26                 return BUILD_SOURCE;\r
  27         }\r
  28         \r
  29         public static boolean getDefaultCheckUpdates() {\r
  30                 return DEFAULT_CHECK_UPDATES;\r
  31         }\r
  32         \r
  33         static {\r
  34                 try {\r
  35                         InputStream is = BuildProperties.class.getClassLoader().getResourceAsStream("build.properties");\r
  36                         if (is == null) {\r
  37                                 throw new MissingResourceException(\r
  38                                                 "build.properties not found, distribution built wrong" +\r
  39                                                                 "   classpath:" + System.getProperty("java.class.path"),\r
  40                                                 "build.properties", "build.version");\r
  41                         }\r
  42                         \r
  43                         PROPERTIES = new Properties();\r
  44                         PROPERTIES.load(is);\r
  45                         is.close();\r
  46                         \r
  47                         String version = PROPERTIES.getProperty("build.version");\r
  48                         if (version == null) {\r
  49                                 throw new MissingResourceException(\r
  50                                                 "build.version not found in property file",\r
  51                                                 "build.properties", "build.version");\r
  52                         }\r
  53                         BUILD_VERSION = version.trim();\r
  54                         \r
  55                         BUILD_SOURCE = PROPERTIES.getProperty("build.source");\r
  56                         if (BUILD_SOURCE == null) {\r
  57                                 throw new MissingResourceException(\r
  58                                                 "build.source not found in property file",\r
  59                                                 "build.properties", "build.source");\r
  60                         }\r
  61                         \r
  62                         String value = PROPERTIES.getProperty("build.checkupdates");\r
  63                         if (value != null)\r
  64                                 DEFAULT_CHECK_UPDATES = Boolean.parseBoolean(value);\r
  65                         else\r
  66                                 DEFAULT_CHECK_UPDATES = true;\r
  67                         \r
  68                 } catch (IOException e) {\r
  69                         throw new MissingResourceException(\r
  70                                         "Error reading build.properties",\r
  71                                         "build.properties", "build.version");\r
  72                 }\r
  73         }\r
  74 \r
  75 }\r