--- src/java_config_2/VersionManager.py.old     2013-02-15 02:12:09.000000000 +0400
+++ src/java_config_2/VersionManager.py 2015-04-27 15:36:02.467389500 +0300
@@ -51,7 +51,7 @@
     """
     Used to parse dependency strings, and find the best/prefered vm to use.
     """
-    atom_parser = re.compile(r"([<>=]*)virtual/(jre|jdk)[-:]([0-9\.*]+)")
+    atom_parser = re.compile(r"([<>=]*)virtual/(jre|jdk)(-([0-9\.*]+))?(:([0-9\.]+=?|=|\*))?")
     virtuals_parser = re.compile(r"([<>=~]+)?java-virtuals/([\w\-\.:]+)")
     package_parser = re.compile(r"([\w\-]+)/([\w\-]+)(?:\:(\d+))?")

@@ -88,7 +88,17 @@

         if len(matches) >  0:
             for match in matches:
-                matched_atoms.append(_DepSpec(equality=match[0], type=match[1], version=match[2]))
+                equality=match[0]
+                if match[3]: # if version is nonempty use it
+                    ver = match[3]
+                elif match[5] and match[5] != "=" and match[5] != '*': # fallback to probe the slot value
+                    ver = match[5]
+                    if ver[-1] == '=':
+                        ver = ver[:-1]
+                else:
+                    equality='*' # match case without version in a special way
+                    ver='0'
+                matched_atoms.append(_DepSpec(equality=equality, type=match[1], version=ver))

         matched_atoms.sort()
         matched_atoms.reverse()
@@ -149,7 +159,8 @@

         #now assuming that if no operator we are
         #doing an '=' comparision. Used to handle cases like virtual/jdk:1.5
-        if operator == '>=': return val >= 0
+        if operator == '*': return True
+        elif operator == '>=': return val >= 0
         elif operator == '<=': return val <= 0
         elif operator == '>':  return val > 0
         elif operator == '<':  return val < 0