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/*
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* Copyright (c) 2009 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:
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*
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*/
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package com.nokia.s60tools.hticonnection.services.ftpservice;
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import java.util.concurrent.FutureTask;
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import com.nokia.HTI.FTPService.FTPService;
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import com.nokia.s60tools.hticonnection.core.AbstractRequest;
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import com.nokia.s60tools.hticonnection.core.RequestResult;
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import com.nokia.s60tools.hticonnection.services.IFTPListener;
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import com.nokia.s60tools.hticonnection.services.IFTPRequestManager;
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/**
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* Abstract file transfer class that hold implementation for canceling
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* file transfer operation.
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*/
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public abstract class AbstractFileTransferRequest extends AbstractRequest implements IFTPRequestManager {
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/**
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* Listener for this operation.
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*/
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private final IFTPListener listener;
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/**
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* File that is transfered.
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*/
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protected final String remoteFile;
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/**
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* This service is set when file transfer has started.
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* This instance can be canceled then if needed.
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*/
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private FTPService startedService = null;
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/**
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* Constructor.
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* @param remoteFile File in target to be transfered.
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* @param listener Listener for this request. Or null if information is not needed.
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* @param requestName Name of this request.
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*/
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public AbstractFileTransferRequest(String remoteFile, IFTPListener listener, String requestName){
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super(requestName);
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this.remoteFile = remoteFile;
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this.listener = listener;
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}
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/**
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* Getter for remote file name.
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* @return Remote file name.
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*/
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public String getRemoteFileName() {
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return remoteFile;
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}
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/**
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* Sets future task so that file transfer can be canceled by using it.
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* @param resultFutureTask
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*/
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public void setFutureTask(FutureTask<RequestResult> resultFutureTask) {
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this.resultFutureTask = resultFutureTask;
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if(requestCanceled) {
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// Cancel has already been ordered.
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resultFutureTask.cancel(false);
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}
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}
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/**
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* Informs listener that request has been put into the queue.
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*/
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public void informInQueue() {
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if(listener != null) {
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listener.requestInQueue(this);
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}
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}
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/**
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* Informs listener that request has been started.
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*/
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public void informStarted() {
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if(listener != null) {
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listener.requestStarted(this);
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}
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}
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/**
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* Informs listener that request has been ended
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*/
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public void informEnded() {
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if(listener != null) {
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listener.requestEnded(this);
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}
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}
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/* (non-Javadoc)
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* @see com.nokia.s60tools.hticonnection.services.IFTPRequestManager#getFileName()
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*/
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public String getFileName() {
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return remoteFile;
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}
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/* (non-Javadoc)
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* @see com.nokia.s60tools.hticonnection.services.IFTPRequestManager#cancel()
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*/
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@Override
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public void cancel() {
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requestCanceled = true;
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FTPService service = getStartedService();
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if(service != null) {
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service.cancelCurrentTransfer();
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}
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// Checking that future task has been created and request is not transferring the data.
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// It future task is canceled when transfer is ongoing, then transfer would continue in background.
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if(resultFutureTask != null && service == null) {
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resultFutureTask.cancel(false);
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}
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}
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/**
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* Getter for service that is used in this request.
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* @param startedService Service that is used in this request.
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*/
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public synchronized void setStartedService(FTPService startedService) {
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this.startedService = startedService;
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}
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/**
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* Setter for service that is used in this request.
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* @return Service that is used in this request.
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*/
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public synchronized FTPService getStartedService() {
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return startedService;
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}
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}
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