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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implementation for presence cache client.
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*
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*/
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#include <e32std.h>
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#include <prescachereadhandler.h>
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#include "presencecacheclientnotification.h"
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#include "presencecachedefs.h"
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#include "ximpobjecthelpers.h"
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#include "presenceinfoimp.h"
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#include "presencebuddyinfoimp.h"
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#include "personpresenceinfoimp.h"
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// ============================ MEMBER FUNCTIONS =============================
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::NewL
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// ---------------------------------------------------------------------------
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//
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CPresenceCacheClientNotification* CPresenceCacheClientNotification::NewL(
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CPresenceCacheClient& aClient)
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{
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CPresenceCacheClientNotification* self = new(ELeave)CPresenceCacheClientNotification(aClient);
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CleanupStack::PushL( self );
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self->ConstructL();
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CleanupStack::Pop();
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return self;
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::~CPresenceCacheClientNotification
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// ---------------------------------------------------------------------------
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//
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CPresenceCacheClientNotification::~CPresenceCacheClientNotification()
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{
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Cancel();
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::CPresenceCacheClientNotification
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// ---------------------------------------------------------------------------
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//
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CPresenceCacheClientNotification::CPresenceCacheClientNotification(CPresenceCacheClient& aClient)
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: CActive( EPriorityStandard ), iClient( aClient ), iNotificationSubscribed( EFalse )
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{
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::ConstructL()
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{
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CActiveScheduler::Add( this );
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::RunL
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::RunL()
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{
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TInt origStatus = iStatus.Int();
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MPresCacheReadHandler* client = ClientNotifyHandler();
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if ( origStatus )
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{
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iNotificationSubscribed = EFalse;
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TRAP_IGNORE( client->HandlePresenceNotificationL( origStatus, NULL ));
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}
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else
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{
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StartNotifySubscription();
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PreseneceFromServerToClientL( *client, iSizePckg() );
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}
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}
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// ----------------------------------------------------------
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// CPresenceCacheClientNotification::RunError
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// ----------------------------------------------------------
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//
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TInt CPresenceCacheClientNotification::RunError( TInt aError )
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{
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if ( KErrServerTerminated == aError )
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{
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// When server is terminated we notify the clienrt about that
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iNotificationSubscribed = EFalse;
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MPresCacheReadHandler* client = ClientNotifyHandler();
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TRAP_IGNORE( client->HandlePresenceNotificationL( aError, NULL ));
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}
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else
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{
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// StartNotifySubscription is already called.
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}
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::DoCancel
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::DoCancel()
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{
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// TODO: consider when this is safe
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iClient.SendReceive( NRequest::ECancelWaitingForNotification );
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::SubscribePresenceBuddyChangeL
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// ---------------------------------------------------------------------------
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//
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TInt CPresenceCacheClientNotification::SubscribePresenceBuddyChangeL(
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const MXIMPIdentity& aIdentity)
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{
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if ( !iNotificationSubscribed )
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{
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StartNotifySubscription();
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}
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HBufC8* myIdPack = iClient.PackIdentityLC(aIdentity);
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// Package message arguments before sending to the server
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TIpcArgs args;
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args.Set(1, myIdPack);
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TInt err = iClient.SendReceive( NRequest::ESubscribeBuddyPresenceChange, args );
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CleanupStack::PopAndDestroy( myIdPack );
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return err;
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::UnsubscribePresenceBuddyChangeL
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::UnsubscribePresenceBuddyChangeL(
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const MXIMPIdentity& aIdentity)
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{
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HBufC8* myIdPack = iClient.PackIdentityLC(aIdentity);
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// Package message arguments before sending to the server
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TIpcArgs args;
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args.Set(1, myIdPack);
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TInt err = iClient.SendReceive( NRequest::EUnSubscribeBuddyPresenceChange, args );
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CleanupStack::PopAndDestroy( myIdPack );
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User::LeaveIfError( err );
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::StartNotifySubscriptionL
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::StartNotifySubscription()
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{
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// Package message arguments before sending to the server
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SetActive();
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TIpcArgs args(&iSizePckg);
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iClient.SendReceive( NRequest::EWaitingForNotification, args, iStatus );
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iNotificationSubscribed = ETrue;
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::ClientNotifyHandler
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// ---------------------------------------------------------------------------
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//
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MPresCacheReadHandler* CPresenceCacheClientNotification::ClientNotifyHandler()
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{
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return iClient.iNotifyClient;
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}
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// ---------------------------------------------------------------------------
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// CPresenceCacheClientNotification::PreseneceFromServerToClientL
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// ---------------------------------------------------------------------------
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//
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void CPresenceCacheClientNotification::PreseneceFromServerToClientL(
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MPresCacheReadHandler& aClient, TInt aSize )
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{
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CPresenceBuddyInfoImp* buddyInfo(NULL);
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buddyInfo = CPresenceBuddyInfoImp::NewLC();
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HBufC8* presInfoDes = HBufC8::NewLC( aSize );
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TPtr8 ptrBuf( presInfoDes->Des() );
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TInt err = iClient.SendReceive( NRequest::EGetLastNotifiedtPacket, TIpcArgs( &ptrBuf ));
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if ( !err )
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{
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TXIMPObjectPacker< CPresenceBuddyInfoImp >::UnPackL( *buddyInfo, *presInfoDes );
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CleanupStack::PopAndDestroy( presInfoDes );
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aClient.HandlePresenceNotificationL( KErrNone, buddyInfo );
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CleanupStack::Pop( buddyInfo );
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}
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else
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{
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CleanupStack::PopAndDestroy( presInfoDes );
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CleanupStack::PopAndDestroy( buddyInfo );
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}
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}
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// end of file
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