diff -r ae942d28ec0e -r 2455ef1f5bbc javamanager/javasidchecker/src/javasidchecker.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javasidchecker/src/javasidchecker.cpp	Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,110 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Java Sid Checker is an ECOM plugin for Symbian AppArc
+ *                (database that contains info on all applications installed
+ *                 to the device)
+ *                It tells AppArc whether Java application installed
+ *                to a removable storage media is present and can be executed.
+ *
+*/
+
+
+#include <e32std.h>
+#include <ecom/implementationproxy.h>
+#include <appversion.h>
+
+#include "javauids.h"
+#include "javasidchecker.h"
+#include "logger.h"
+
+
+// DLL Entry point
+TBool E32Dll()
+{
+    return ETrue;
+}
+
+// ECOM Implementation Table
+const TImplementationProxy ImplementationTable[] =
+{
+    IMPLEMENTATION_PROXY_ENTRY(KSidCheckerEcomImplUid, CJavaSidChecker::NewL)
+};
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+{
+    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+    return ImplementationTable;
+}
+
+
+CJavaSidChecker* CJavaSidChecker::NewL()
+{
+    // Minimal construction (we don't want this to fail)
+    return new(ELeave) CJavaSidChecker;
+}
+
+CJavaSidChecker::CJavaSidChecker()
+{
+    iJavaRegistry = NULL;
+    LOG(EUtils, EInfo, "CJavaSidChecker: Constructor called");
+}
+
+CJavaSidChecker::~CJavaSidChecker()
+{
+    if (NULL != iJavaRegistry)
+    {
+        delete iJavaRegistry;
+        iJavaRegistry = NULL;
+    }
+    LOG(EUtils, EInfo, "CJavaSidChecker: Destructor called");
+}
+
+TBool CJavaSidChecker::AppRegisteredAt(const TUid& aSid, TDriveUnit aDrive)
+{
+    TBool installed = EFalse;
+
+    LOG1(EUtils, EInfo, "CJavaSidChecker: AppRegisteredAt called, %x", aSid.iUid);
+
+    // No Java application can have Uid 0
+    if (aSid.iUid == 0)
+    {
+        return installed;
+    }
+
+    TRAPD(err, installed = AppRegisteredAtL(aSid, aDrive));
+    if (KErrNone != err)
+    {
+        ELOG1(EUtils, "CJavaSidChecker: AppRegisteredAt error %d", err);
+    }
+
+    return installed;
+}
+
+TBool CJavaSidChecker::AppRegisteredAtL(const TUid& aSid, TDriveUnit /*aDrive*/)
+{
+    // Create the Java Registry if it has not been created already
+    if (NULL == iJavaRegistry)
+    {
+        iJavaRegistry = Java::CJavaRegistry::NewL();
+    }
+
+    // JavaRegistry does not return entries that are not present.
+    return iJavaRegistry->RegistryEntryExistsL(aSid);
+}
+
+void CJavaSidChecker::SetRescanCallBackL(const TCallBack &/*aCallBack*/)
+{
+    // Do nothing
+    return;
+}