--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/Uuid.cpp	Thu Jul 19 14:32:22 2012 +0200
@@ -0,0 +1,84 @@
+/**
+ * Palantir - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
+ * Belgium
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "Uuid.h"
+
+// http://stackoverflow.com/a/1626302
+
+extern "C"
+{
+#ifdef WIN32
+#include <rpc.h>
+#else
+#include <uuid/uuid.h>
+#endif
+}
+
+namespace Palantir
+{
+  namespace Toolbox
+  {
+    std::string GenerateUuid()
+    {
+#ifdef WIN32
+      UUID uuid;
+      UuidCreate ( &uuid );
+
+      unsigned char * str;
+      UuidToStringA ( &uuid, &str );
+
+      std::string s( ( char* ) str );
+
+      RpcStringFreeA ( &str );
+#else
+      uuid_t uuid;
+      uuid_generate_random ( uuid );
+      char s[37];
+      uuid_unparse ( uuid, s );
+#endif
+      return s;
+    }
+
+
+    bool IsUuid(const std::string& str)
+    {
+      if (str.size() != 36)
+      {
+        return false;
+      }
+
+      for (size_t i = 0; i < str.length(); i++)
+      {
+        if (i == 8 || i == 13 || i == 18 || i == 23)
+        {
+          if (str[i] != '-')
+            return false;
+        }
+        else
+        {
+          if (!isalnum(str[i]))
+            return false;
+        }
+      }
+
+      return true;
+    }
+  }
+}