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diff --git a/src/mozApocPolicyBackend.h b/src/mozApocPolicyBackend.h
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+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ * 
+ * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
+ * 
+ * The contents of this file are subject to the terms of either
+ * the GNU General Public License Version 2 only ("GPL") or
+ * the Common Development and Distribution License("CDDL")
+ * (collectively, the "License"). You may not use this file
+ * except in compliance with the License. You can obtain a copy
+ * of the License at www.sun.com/CDDL or at COPYRIGHT. See the
+ * License for the specific language governing permissions and
+ * limitations under the License. When distributing the software,
+ * include this License Header Notice in each file and include
+ * the License file at /legal/license.txt. If applicable, add the
+ * following below the License Header, with the fields enclosed
+ * by brackets [] replaced by your own identifying information:
+ * "Portions Copyrighted [year] [name of copyright owner]"
+ * 
+ * Contributor(s):
+ * 
+ * If you wish your version of this file to be governed by
+ * only the CDDL or only the GPL Version 2, indicate your
+ * decision by adding "[Contributor] elects to include this
+ * software in this distribution under the [CDDL or GPL
+ * Version 2] license." If you don't indicate a single choice
+ * of license, a recipient has the option to distribute your
+ * version of this file under either the CDDL, the GPL Version
+ * 2 or to extend the choice of license to its licensees as
+ * provided above. However, if you add GPL Version 2 code and
+ * therefore, elected the GPL Version 2 license, then the
+ * option applies only if the new code is made subject to such
+ * option by the copyright holder.
+ */
+
+
+#ifndef MOZAPOC_POLICYBACKEND_H_INCLUDED
+#define MOZAPOC_POLICYBACKEND_H_INCLUDED
+
+#include "mozApocPolicyComponentData.h"
+#include "nsClassHashtable.h"
+#include "nsHashKeys.h"
+#include "mozApocPAPI.h"
+#include "prmon.h"
+
+class mozApocPolicyComponentDOMData;
+class mozApocNotifier;
+
+class mozApocPolicyBackend : private mozApocPAPIListener
+{
+    struct ComponentInfo : mozApocPolicyComponentData
+    {
+        ComponentInfo(const nsACString & aComponent) 
+        : mozApocPolicyComponentData(aComponent) 
+        , ListenerId()
+        {}
+
+        mozApocPAPIListenerId ListenerId;
+    };
+    typedef nsClassHashtable< nsCStringHashKey, ComponentInfo > ComponentCache;
+private:
+    mozApocPAPI mPolicyStore;
+    mozApocPAPIListenerId mGlobalListenerId ;
+    ComponentCache mCache;
+    PRBool mEnableCache;
+    PRMonitor * mUpdateLock;
+    mozApocNotifier * mNotifier;
+public:
+    mozApocPolicyBackend();
+    virtual ~mozApocPolicyBackend();
+
+    mozApocPolicyComponentData const * GetComponentData(const nsACString & aComponentName, nsresult * _rv = nsnull);
+
+    void Reset();
+
+    void SetNotifier(mozApocNotifier * pNotifier) { mNotifier = pNotifier; }
+private:
+    nsresult RegisterForNotfication(const nsAFlatCString & aFullComponentName, ComponentInfo * data);
+
+    nsresult ReadComponent(const nsAFlatCString & aFullComponentName, mozApocPolicyComponentData & pData, PRBool bClear = PR_FALSE);
+    nsresult ReadComponentDOM(const nsAFlatCString & aFullComponentName, const nsAFlatCString & aShortComponentName, 
+                                mozApocPolicyComponentDOMData *& newData);
+    nsresult RefreshComponent(const char * aFullComponentName, PRBool bClear = PR_FALSE);
+private:
+    virtual void componentAdded(const char * component);
+    virtual void componentModified(const char * component);
+    virtual void componentRemoved(const char * component);
+private:
+    mozApocPolicyBackend(const mozApocPolicyBackend &);  // not implemented
+    void operator=(const mozApocPolicyBackend &);  // not implemented
+};
+
+#endif
+