diff -r e5618cc85d74 -r 6c158198356e javamanager/javainstaller/installer/src.s60/utils/propertyprovider.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javainstaller/installer/src.s60/utils/propertyprovider.cpp	Thu Aug 19 09:48:13 2010 +0300
@@ -0,0 +1,91 @@
+/*
+* Copyright (c) 2010 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:  The JNI code for Java Installer class FileWriter.
+*
+*/
+
+#include "com_nokia_mj_impl_installer_utils_PropertyProvider.h"
+#include "logger.h"
+#include "propertylistener.h"
+
+// NAMESPACE DECLARATION
+using namespace java::installer;
+using namespace java::util;
+
+/*
+ * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider
+ * Method:    _subscribe
+ * Signature: (II)I
+ */
+JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1subscribe
+(JNIEnv */*aEnv*/, jclass, jint aCategory, jint aKey)
+{
+    TUid uid = TUid::Uid(aCategory);
+    TUint key = (TUint)aKey;
+    // Construct PropertyListener.
+    CPropertyListener* propertyListener = 0;
+    TRAPD(err, propertyListener = CPropertyListener::NewL(uid, key));
+    if (KErrNone != err)
+    {
+        ELOG3(EJavaInstaller,
+              "PropertyProvider__1subscribe: creating property listener "
+              "failed, uid: 0x%x, key: 0x%x, err=%d", uid.iUid, key, err);
+        return err;
+    }
+
+    // Return handle to session. Utilize the fact that in Symbian
+    // all pointer addresses are MOD 4 so the last 2 bits are 0
+    // and can be shifted out. This way the returned handle is
+    // always positive whereas Symbian error codes are always negative.
+    return reinterpret_cast<TUint>(propertyListener)>>2;
+}
+
+/*
+ * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider
+ * Method:    _processEvents
+ * Signature: (ILcom/nokia/mj/impl/installer/utils/PropertyProvider;)I
+ */
+JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1processEvents
+  (JNIEnv *aEnv, jclass, jint aHandle, jobject aProvider)
+{
+    CPropertyListener* propertyListener =
+        reinterpret_cast<CPropertyListener*>(aHandle<<2);
+    // Start propertyListener for event sending.
+    TRAPD(err, propertyListener->ProcessEventsL(aEnv, aProvider));
+    if (KErrNone != err)
+    {
+        ELOG1(EJavaInstaller,
+              "PropertyProvider__1processEvents: initializing "
+              "propertyListener failed, err=%d", err);
+    }
+    return err;
+}
+
+/*
+ * Class:     com_nokia_mj_impl_installer_utils_PropertyProvider
+ * Method:    _unsubscribe
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL Java_com_nokia_mj_impl_installer_utils_PropertyProvider__1unsubscribe
+  (JNIEnv *, jclass, jint aHandle)
+{
+    CPropertyListener* propertyListener =
+        reinterpret_cast<CPropertyListener*>(aHandle<<2);
+
+    // Delete PropertyListener.
+    delete propertyListener;
+    propertyListener = 0;
+
+    return KErrNone;
+}