Index: C:/Naidu/Projects/eclipse/june_policy_workspace/apache/imperius-splcore/src/main/java/org/apache/imperius/spl/datastore/impl/PolicyParserImpl.java
===================================================================
--- C:/Naidu/Projects/eclipse/june_policy_workspace/apache/imperius-splcore/src/main/java/org/apache/imperius/spl/datastore/impl/PolicyParserImpl.java	(revision 669804)
+++ C:/Naidu/Projects/eclipse/june_policy_workspace/apache/imperius-splcore/src/main/java/org/apache/imperius/spl/datastore/impl/PolicyParserImpl.java	(working copy)
@@ -55,10 +55,10 @@
 
     static boolean showTree = false;
 
+    private static PolicyParserImpl singletonObj = null;
         
-    public PolicyParserImpl()
+    private PolicyParserImpl()
     {
-    	//System.out.println("in policyparserimpl ctor");
     	logger = SPLLogger.getSPLLogger().getLogger();
     	init();
     }
@@ -70,7 +70,16 @@
         logger.exiting(sourceClass,Thread.currentThread().getName()+" "+ "init");
 
     }
-
+    
+    public static synchronized PolicyParserImpl getInstance()
+    {
+    	if(singletonObj == null)
+    	{
+    		singletonObj = new PolicyParserImpl();
+    	}
+    	return singletonObj;
+    }
+    
     public void shutDown()
     {
         logger.entering(sourceClass,Thread.currentThread().getName()+" "+ "shutDown");
@@ -78,7 +87,7 @@
 
     }
 
-    public SPLPolicy createInternalPolicyObject(String policyRuleName,
+    public synchronized SPLPolicy createInternalPolicyObject(String policyRuleName,
             String policyString) throws SPLException
     {
         logger.entering(sourceClass,Thread.currentThread().getName()+" "
@@ -164,7 +173,7 @@
 
     }
 
-    public static SPLPolicy doTreeAction(String f, AST t, String[] tokenNames) throws SPLException
+    public static synchronized SPLPolicy doTreeAction(String f, AST t, String[] tokenNames) throws SPLException
     {
         logger.entering(sourceClass,Thread.currentThread().getName()+" "+ "doTreeAction");