[jbosscache-commits] JBoss Cache SVN: r4594 - core/trunk/src/main/java/org/jboss/cache.

[jbosscache-commits at lists.jboss.org]

Author: manik.surtani at jboss.com
Date: 2007-10-10 12:52:03 -0400 (Wed, 10 Oct 2007)
New Revision: 4594

Added:
   core/trunk/src/main/java/org/jboss/cache/Version.java
Log:
Updated version

Added: core/trunk/src/main/java/org/jboss/cache/Version.java
===================================================================
--- core/trunk/src/main/java/org/jboss/cache/Version.java	                        (rev 0)
+++ core/trunk/src/main/java/org/jboss/cache/Version.java	2007-10-10 16:52:03 UTC (rev 4594)
@@ -0,0 +1,170 @@
+package org.jboss.cache;
+
+import net.jcip.annotations.Immutable;
+
+/**
+ * Contains version information about this release of JBoss Cache.
+ *
+ * @author Bela Ban
+ * @version $Id: Version.java 4592 2007-10-10 16:44:36Z manik.surtani at jboss.com $
+ */
+ at Immutable
+public class Version
+{
+   public static final String version = "2.1.0.BETA1";
+   public static final String codename = "Alegrias";
+   public static final String cvs = "$Id: Version.java 4592 2007-10-10 16:44:36Z manik.surtani at jboss.com $";
+   static final byte[] version_id = {'0', '2', '1', '0', 'B'};
+
+   private static final int MAJOR_SHIFT = 11;
+   private static final int MINOR_SHIFT = 6;
+   private static final int MAJOR_MASK = 0x00f800;
+   private static final int MINOR_MASK = 0x0007c0;
+   private static final int PATCH_MASK = 0x00003f;
+
+   private static final short SHORT_1_2_3 = encodeVersion(1, 2, 3);
+   private static final short SHORT_1_2_4_SP2 = encodeVersion(1, 2, 4);
+
+   /**
+    * Prints version information.
+    */
+   public static void main(String[] args)
+   {
+      System.out.println("\nVersion: \t" + version);
+      System.out.println("Codename: \t" + codename);
+      System.out.println("CVS:      \t" + cvs);
+      System.out.println("History:  \t(see http://jira.jboss.com/jira/browse/JBCACHE for details)\n");
+   }
+
+   /**
+    * Returns version information as a string.
+    */
+   public static String printVersion()
+   {
+      return "JBossCache '" + codename + "' " + version + "[ " + cvs + "]";
+   }
+
+   public static String printVersionId(byte[] v, int len)
+   {
+      StringBuffer sb = new StringBuffer();
+      if (v != null)
+      {
+         if (len <= 0)
+            len = v.length;
+         for (int i = 0; i < len; i++)
+            sb.append((char) v[i]);
+      }
+      return sb.toString();
+   }
+
+   public static String printVersionId(byte[] v)
+   {
+      StringBuffer sb = new StringBuffer();
+      if (v != null)
+      {
+         for (byte aV : v) sb.append((char) aV);
+      }
+      return sb.toString();
+   }
+
+
+   public static boolean compareTo(byte[] v)
+   {
+      if (v == null)
+         return false;
+      if (v.length < version_id.length)
+         return false;
+      for (int i = 0; i < version_id.length; i++)
+      {
+         if (version_id[i] != v[i])
+            return false;
+      }
+      return true;
+   }
+
+   public static int getLength()
+   {
+      return version_id.length;
+   }
+
+   public static short getVersionShort()
+   {
+      return getVersionShort(version);
+   }
+
+   public static short getVersionShort(String versionString)
+   {
+      if (versionString == null)
+         throw new IllegalArgumentException("versionString is null");
+
+      // Special cases for version prior to 1.2.4.SP2
+      if ("1.2.4".equals(versionString))
+         return 124;
+      else if ("1.2.4.SP1".equals(versionString))
+         return 1241;
+
+      String parts[] = versionString.split("[\\.\\-]");
+      int a = 0;
+      int b = 0;
+      int c = 0;
+      if (parts.length > 0)
+         a = Integer.parseInt(parts[0]);
+      if (parts.length > 1)
+         b = Integer.parseInt(parts[1]);
+      if (parts.length > 2)
+         c = Integer.parseInt(parts[2]);
+      return encodeVersion(a, b, c);
+   }
+
+   public static String getVersionString(short versionShort)
+   {
+      if (versionShort == SHORT_1_2_4_SP2)
+         return "1.2.4.SP2";
+
+      switch (versionShort)
+      {
+         case 124:
+            return "1.2.4";
+         case 1241:
+            return "1.2.4.SP1";
+         default:
+            return decodeVersion(versionShort);
+      }
+   }
+
+   public static short encodeVersion(int major, int minor, int patch)
+   {
+      short version = (short) ((major << MAJOR_SHIFT)
+                               + (minor << MINOR_SHIFT)
+                               + patch);
+      return version;
+   }
+
+   public static String decodeVersion(short version)
+   {
+      int major = (version & MAJOR_MASK) >> MAJOR_SHIFT;
+      int minor = (version & MINOR_MASK) >> MINOR_SHIFT;
+      int patch = (version & PATCH_MASK);
+      String versionString = major + "." + minor + "." + patch;
+      return versionString;
+   }
+
+   public static boolean isBefore124(short version)
+   {
+      return (version > 1241 && version <= SHORT_1_2_3);
+   }
+
+   /**
+    * Retroweaver version info.
+    */
+   public static class Retro
+   {
+      public static void main(String[] args)
+      {
+         System.out.println("\nVersion: \t" + version + " (Retroweaved for JDK 1.4.x compatibility)");
+         System.out.println("Codename: \t" + codename);
+         System.out.println("CVS:      \t" + cvs);
+         System.out.println("History:  \t(see http://jira.jboss.com/jira/browse/JBCACHE for details)\n");
+      }
+   }
+}