add id generator

diff --git a/src/net/pterodactylus/jsite/util/IdGenerator.java b/src/net/pterodactylus/jsite/util/IdGenerator.java
new file mode 100644 (file)
index 0000000..4bcb093
--- /dev/null
+++ b/src/net/pterodactylus/jsite/util/IdGenerator.java
@@ -0,0 +1,45 @@
+/*
+ * jSite2 - IdGenerator.java -
+ * Copyright © 2008 David Roden
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+package net.pterodactylus.jsite.util;
+
+import java.util.Random;
+
+/**
+ * A generator for internal IDs.
+ * 
+ * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
+ */
+public class IdGenerator {
+
+       /** The RNG used to created IDs. */
+       private static Random random = new Random();
+
+       /**
+        * Generates a new random ID, consisting of 16 random bytes.
+        * 
+        * @return The new ID
+        */
+       public static byte[] generateId() {
+               byte[] idBytes = new byte[16];
+               random.nextBytes(idBytes);
+               return idBytes;
+       }
+
+}