#How the program looks#

How the program looks

package downloadmanager;
import java.net.HttpURLConnection;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author gnik
 */
public class Download implements Runnable {
 private final SimpleObjectProperty<DownloadMetadata> metadata;
 private final List<DownloadPartThread> downloadPartThreads = FXCollections.observableArrayList();
 private final ConcurrentLinkedQueue queueCommand;
 private final ConcurrentLinkedQueue queueResponse;
 public Download(DownloadMetadata metadata, ConcurrentLinkedQueue queueCommand, ConcurrentLinkedQueue queueResponse) {
 this.metadata = new SimpleObjectProperty<>(metadata);
 this.queueCommand = queueCommand;
 this.queueResponse = queueResponse;
 }
 @Override
 public String toString() {
 return "DownloadID:" + metadata.getValue().getDownloadID();
 }
 public DownloadMetadata getDownloadMetadata() {
 return metadata.getValue();
 }
 public SimpleObjectProperty<DownloadMetadata> getDownloadMetadataProperty() {
 return metadata;
 }
 public List<DownloadPartMetadata> getPartMetadatas() {
 List<DownloadPartMetadata> metadatas = new ArrayList<>();
 for (DownloadPartThread dthread : downloadPartThreads) {
 metadatas.add(dthread.getDownloadPartMetadata());
 }
 return metadatas;
 }
 public void setHeaders() throws IOException {
 HttpURLConnection conn;
 conn = (HttpURLConnection) getDownloadMetadata().getUrl().openConnection();
 conn.setRequestMethod("HEAD");
 getDownloadMetadata().setSize(conn.getContentLengthLong());
 String ranges = conn.getHeaderField("Accept-Ranges");
 if (ranges != null && !ranges.equals("none")) {
 getDownloadMetadata().setAccelerated(true);
 setStatus(DownloadStatus.STARTING);
 }
 }
 public void loadDownlaodPartMetadatas(List<DownloadPartMetadata> downloadPartMetadatas) {
 for (DownloadPartMetadata downloadPartMetadata : downloadPartMetadatas) {
 ConcurrentLinkedQueue queueCom = new ConcurrentLinkedQueue();
 ConcurrentLinkedQueue queueRes = new ConcurrentLinkedQueue();
 downloadPartMetadata.setDownloadMetadata(getDownloadMetadata());
 DownloadPart downloadPart = new DownloadPart(downloadPartMetadata, queueCom, queueRes);
 downloadPartThreads.add(new DownloadPartThread(downloadPart, downloadPartMetadata, queueCom, queueRes));
 }
 }
 public void createDownloadPartThreads() {
 int partID = 0;
 for (Part part : divideDownload()) {
 DownloadPartMetadata part_metadata = new DownloadPartMetadata(getDownloadMetadata(), partID, part);
 ConcurrentLinkedQueue queueCom = new ConcurrentLinkedQueue();
 ConcurrentLinkedQueue queueRes = new ConcurrentLinkedQueue();
 DownloadPart downloadPart = new DownloadPart(part_metadata, queueCom, queueRes);
 downloadPartThreads.add(new DownloadPartThread(downloadPart, part_metadata, queueCom, queueRes));
 partID++;
 }
 }
 public void initialize() {
 //If download Part Threads is not empty and loaded from file then skip.
 if (downloadPartThreads.isEmpty()) {
 try {
 setHeaders();
 } catch (IOException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 setStatus(DownloadStatus.ERROR);
 return;
 }
 createDownloadPartThreads();
 }
 }
 private List<Part> divideDownload() {
 List<Part> parts = new ArrayList<>();
 long start = 0;
 double size = (double) getDownloadMetadata().getSize() / getDownloadMetadata().getParts();
 for (int cnt = 0; cnt < getDownloadMetadata().getParts(); cnt++) {
 Part part = new Part(start, (int) Math.round(size * (cnt + 1)));
 parts.add(part);
 start = (int) Math.round(size * (cnt + 1)) + 1;
 }
 return parts;
 }
 private void setStatus(DownloadStatus downloadStatus) {
 getDownloadMetadata().setStatus(downloadStatus);
 }
 public DownloadStatus getStatus() {
 return getDownloadMetadata().getStatus();
 }
 public boolean isDownloaded() {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 if (downloadThread.getDownloadPart().getStatus() != DownloadStatus.COMPLETED) {
 return false;
 }
 }
 return true;
 }
 public void joinThread(Thread thread) {
 if (thread != null && !thread.isAlive()) {
 try {
 thread.join();
 } catch (InterruptedException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 }
 }
 public void joinThreads() {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 joinThread(downloadThread.thread);
 }
 }
 public void waitUntilResponse(DownloadPartThread dthread, DownloadAction.Response response) {
 while (true) {
 if (!dthread.queueResponse.isEmpty() && dthread.queueResponse.peek().equals(response)) {
 dthread.queueResponse.poll();
 break;
 }
 }
 }
 public void pause() {
 if (getStatus() != DownloadStatus.DOWNLOADING) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.PAUSE);
 waitUntilResponse(dthread, DownloadAction.Response.PAUSED);
 }
 setStatus(DownloadStatus.PAUSED);
 }
 public void resume() {
 if (getStatus() != DownloadStatus.PAUSED) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.RESUME);
 waitUntilResponse(dthread, DownloadAction.Response.RESUMED);
 }
 setStatus(DownloadStatus.DOWNLOADING);
 }
 public void stop() {
 if (getStatus() == DownloadStatus.STOPPED) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.STOP);
 waitUntilResponse(dthread, DownloadAction.Response.STOPPED);
 }
 setStatus(DownloadStatus.STOPPED);
 }
 public void startDownloadPartThreads() {
 if (!getDownloadMetadata().getAccelerated()) {
 setStatus(DownloadStatus.ERROR);
 return;
 }
 setStatus(DownloadStatus.DOWNLOADING);
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 Thread thread = new Thread(downloadThread.getDownloadPart());
 thread.setName(this.toString() + " " + downloadThread.downloadPart.toString());
 downloadThread.thread = thread;
 thread.start();
 }
 }
 public void deleteDownloadPartFiles() throws IOException {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 DownloadPart downloadPart = downloadThread.getDownloadPart();
 Files.deleteIfExists(Paths.get(downloadPart.getFilename()));
 }
 }
 public void copyToStream(BufferedOutputStream outFile, BufferedInputStream inFile) throws IOException {
 int byt;
 while ((byt = inFile.read()) != -1 && outFile != null) {
 outFile.write(byt);
 }
 }
 public void joinDownloadParts() {
 if (!isDownloaded()) {
 return;
 }
 setStatus(DownloadStatus.JOINING);
 try(BufferedOutputStream outFile = new BufferedOutputStream(new FileOutputStream(getDownloadMetadata().getFilename()))) {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 DownloadPart downloadPart = downloadThread.getDownloadPart();
 try(BufferedInputStream inFile = new BufferedInputStream(new FileInputStream(downloadPart.getFilename()))){
 copyToStream(outFile, inFile);
 }
 }
 setStatus(DownloadStatus.COMPLETED);
 deleteDownloadPartFiles();
 } catch (FileNotFoundException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 } catch (IOException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 }
 public void downloadLoop(){
 while (!isDownloaded()) {
 try {
 Thread.sleep(100);
 } catch (InterruptedException ex) {
 setStatus(DownloadStatus.ERROR);
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 if (!this.queueCommand.isEmpty()) {
 DownloadAction.Command command = (DownloadAction.Command) this.queueCommand.poll();
 switch (command) {
 case PAUSE:
 this.pause();
 this.queueResponse.add(DownloadAction.Response.PAUSED);
 break;
 case STOP:
 this.stop();
 this.joinThreads();
 this.queueResponse.add(DownloadAction.Response.STOPPED);
 return;
 case RESUME:
 this.resume();
 this.queueResponse.add(DownloadAction.Response.RESUMED);
 break;
 default:
 break;
 }
 }
 }
 }
 @Override
 public void run() {
 if (getDownloadMetadata().getStatus() == DownloadStatus.COMPLETED) {
 return;
 }
 this.initialize();
 this.startDownloadPartThreads();
 this.downloadLoop();
 this.joinThreads();
 this.joinDownloadParts();
 }
}

package downloadmanager;
import java.net.HttpURLConnection;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.beans.property.SimpleObjectProperty;
import javafx.collections.FXCollections;
/**
 *
 * @author gnik
 */
public class Download implements Runnable {
 private final SimpleObjectProperty<DownloadMetadata> metadata;
 private final List<DownloadPartThread> downloadPartThreads = FXCollections.observableArrayList();
 private final ConcurrentLinkedQueue queueCommand;
 private final ConcurrentLinkedQueue queueResponse;
 public Download(DownloadMetadata metadata, ConcurrentLinkedQueue queueCommand, ConcurrentLinkedQueue queueResponse) {
 this.metadata = new SimpleObjectProperty<>(metadata);
 this.queueCommand = queueCommand;
 this.queueResponse = queueResponse;
 }
 @Override
 public String toString() {
 return "DownloadID:" + metadata.getValue().getDownloadID();
 }
 public DownloadMetadata getDownloadMetadata() {
 return metadata.getValue();
 }
 public SimpleObjectProperty<DownloadMetadata> getDownloadMetadataProperty() {
 return metadata;
 }
 public List<DownloadPartMetadata> getPartMetadatas() {
 List<DownloadPartMetadata> metadatas = new ArrayList<>();
 for (DownloadPartThread dthread : downloadPartThreads) {
 metadatas.add(dthread.getDownloadPartMetadata());
 }
 return metadatas;
 }
 public void setHeaders() throws IOException {
 HttpURLConnection conn;
 conn = (HttpURLConnection) getDownloadMetadata().getUrl().openConnection();
 conn.setRequestMethod("HEAD");
 getDownloadMetadata().setSize(conn.getContentLengthLong());
 String ranges = conn.getHeaderField("Accept-Ranges");
 if (ranges != null && !ranges.equals("none")) {
 getDownloadMetadata().setAccelerated(true);
 setStatus(DownloadStatus.STARTING);
 }
 }
 public void loadDownlaodPartMetadatas(List<DownloadPartMetadata> downloadPartMetadatas) {
 for (DownloadPartMetadata downloadPartMetadata : downloadPartMetadatas) {
 ConcurrentLinkedQueue queueCom = new ConcurrentLinkedQueue();
 ConcurrentLinkedQueue queueRes = new ConcurrentLinkedQueue();
 downloadPartMetadata.setDownloadMetadata(getDownloadMetadata());
 DownloadPart downloadPart = new DownloadPart(downloadPartMetadata, queueCom, queueRes);
 downloadPartThreads.add(new DownloadPartThread(downloadPart, downloadPartMetadata, queueCom, queueRes));
 }
 }
 public void createDownloadPartThreads() {
 int partID = 0;
 for (Part part : divideDownload()) {
 DownloadPartMetadata part_metadata = new DownloadPartMetadata(getDownloadMetadata(), partID, part);
 ConcurrentLinkedQueue queueCom = new ConcurrentLinkedQueue();
 ConcurrentLinkedQueue queueRes = new ConcurrentLinkedQueue();
 DownloadPart downloadPart = new DownloadPart(part_metadata, queueCom, queueRes);
 downloadPartThreads.add(new DownloadPartThread(downloadPart, part_metadata, queueCom, queueRes));
 partID++;
 }
 }
 public void initialize() {
 //If download Part Threads is not empty and loaded from file then skip.
 if (downloadPartThreads.isEmpty()) {
 try {
 setHeaders();
 } catch (IOException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 setStatus(DownloadStatus.ERROR);
 return;
 }
 createDownloadPartThreads();
 }
 }
 private List<Part> divideDownload() {
 List<Part> parts = new ArrayList<>();
 long start = 0;
 double size = (double) getDownloadMetadata().getSize() / getDownloadMetadata().getParts();
 for (int cnt = 0; cnt < getDownloadMetadata().getParts(); cnt++) {
 Part part = new Part(start, (int) Math.round(size * (cnt + 1)));
 parts.add(part);
 start = (int) Math.round(size * (cnt + 1)) + 1;
 }
 return parts;
 }
 private void setStatus(DownloadStatus downloadStatus) {
 getDownloadMetadata().setStatus(downloadStatus);
 }
 public DownloadStatus getStatus() {
 return getDownloadMetadata().getStatus();
 }
 public boolean isDownloaded() {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 if (downloadThread.getDownloadPart().getStatus() != DownloadStatus.COMPLETED) {
 return false;
 }
 }
 return true;
 }
 public void joinThread(Thread thread) {
 if (thread != null && !thread.isAlive()) {
 try {
 thread.join();
 } catch (InterruptedException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 }
 }
 public void joinThreads() {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 joinThread(downloadThread.thread);
 }
 }
 public void waitUntilResponse(DownloadPartThread dthread, DownloadAction.Response response) {
 while (true) {
 if (!dthread.queueResponse.isEmpty() && dthread.queueResponse.peek().equals(response)) {
 dthread.queueResponse.poll();
 break;
 }
 }
 }
 public void pause() {
 if (getStatus() != DownloadStatus.DOWNLOADING) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.PAUSE);
 waitUntilResponse(dthread, DownloadAction.Response.PAUSED);
 }
 setStatus(DownloadStatus.PAUSED);
 }
 public void resume() {
 if (getStatus() != DownloadStatus.PAUSED) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.RESUME);
 waitUntilResponse(dthread, DownloadAction.Response.RESUMED);
 }
 setStatus(DownloadStatus.DOWNLOADING);
 }
 public void stop() {
 if (getStatus() == DownloadStatus.STOPPED) {
 return;
 }
 for (DownloadPartThread dthread : downloadPartThreads) {
 if (dthread.thread==null || !dthread.thread.isAlive()) {
 return;
 }
 dthread.queueCommand.add(DownloadAction.Command.STOP);
 waitUntilResponse(dthread, DownloadAction.Response.STOPPED);
 }
 setStatus(DownloadStatus.STOPPED);
 }
 public void startDownloadPartThreads() {
 if (!getDownloadMetadata().getAccelerated()) {
 setStatus(DownloadStatus.ERROR);
 return;
 }
 setStatus(DownloadStatus.DOWNLOADING);
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 Thread thread = new Thread(downloadThread.getDownloadPart());
 thread.setName(this.toString() + " " + downloadThread.downloadPart.toString());
 downloadThread.thread = thread;
 thread.start();
 }
 }
 public void deleteDownloadPartFiles() throws IOException {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 DownloadPart downloadPart = downloadThread.getDownloadPart();
 Files.deleteIfExists(Paths.get(downloadPart.getFilename()));
 }
 }
 public void copyToStream(BufferedOutputStream outFile, BufferedInputStream inFile) throws IOException {
 int byt;
 while ((byt = inFile.read()) != -1 && outFile != null) {
 outFile.write(byt);
 }
 }
 public void joinDownloadParts() {
 if (!isDownloaded()) {
 return;
 }
 setStatus(DownloadStatus.JOINING);
 try(BufferedOutputStream outFile = new BufferedOutputStream(new FileOutputStream(getDownloadMetadata().getFilename()))) {
 for (DownloadPartThread downloadThread : downloadPartThreads) {
 DownloadPart downloadPart = downloadThread.getDownloadPart();
 try(BufferedInputStream inFile = new BufferedInputStream(new FileInputStream(downloadPart.getFilename()))){
 copyToStream(outFile, inFile);
 }
 }
 setStatus(DownloadStatus.COMPLETED);
 deleteDownloadPartFiles();
 } catch (FileNotFoundException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 } catch (IOException ex) {
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 }
 public void downloadLoop(){
 while (!isDownloaded()) {
 try {
 Thread.sleep(100);
 } catch (InterruptedException ex) {
 setStatus(DownloadStatus.ERROR);
 Logger.getLogger(Download.class.getName()).log(Level.SEVERE, null, ex);
 }
 if (!this.queueCommand.isEmpty()) {
 DownloadAction.Command command = (DownloadAction.Command) this.queueCommand.poll();
 switch (command) {
 case PAUSE:
 this.pause();
 this.queueResponse.add(DownloadAction.Response.PAUSED);
 break;
 case STOP:
 this.stop();
 this.joinThreads();
 this.queueResponse.add(DownloadAction.Response.STOPPED);
 return;
 case RESUME:
 this.resume();
 this.queueResponse.add(DownloadAction.Response.RESUMED);
 break;
 default:
 break;
 }
 }
 }
 }
 @Override
 public void run() {
 if (getDownloadMetadata().getStatus() == DownloadStatus.COMPLETED) {
 return;
 }
 this.initialize();
 this.startDownloadPartThreads();
 this.downloadLoop();
 this.joinThreads();
 this.joinDownloadParts();
 }
}

/* 
 * The MIT License
 *
 * Copyright 2018 gnik.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package downloadmanager;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Paths;
import javafx.beans.property.SimpleObjectProperty;
/**
 *
 * @author gnik
 */
public class DownloadMetadata{
 private final SimpleObjectProperty<URL> url;
 private final SimpleObjectProperty<Integer> downloadID;
 private final SimpleObjectProperty<String> filename;
 private static final int parts=8;
 private final SimpleObjectProperty<Long> size=new SimpleObjectProperty<>();
 private static final int timeout=10000;
 private final SimpleObjectProperty<Boolean> accelerated=new SimpleObjectProperty<>(false);
 private final SimpleObjectProperty<DownloadStatus> status=new SimpleObjectProperty<>(DownloadStatus.NEW);
 
 public DownloadMetadata(String url,int ID) throws MalformedURLException{
 this.url=new SimpleObjectProperty<>(new URL(url));
 this.downloadID=new SimpleObjectProperty(ID);
 String file=String.valueOf(ID)+"_"+Paths.get(this.url.getValue().getPath()).getFileName().toString();
 this.filename=new SimpleObjectProperty<>(file);
 }
 public URL getUrl() {
 return url.getValue();
 }
 
 public SimpleObjectProperty getUrlProperty() {
 return url;
 }
 public Integer getDownloadID() {
 return downloadID.getValue();
 }
 
 
 public SimpleObjectProperty<Integer> getDownloadIDProperty() {
 return downloadID;
 }
 
 public String getFilename() {
 return filename.getValue();
 }
 public SimpleObjectProperty getFilenameProperty() {
 return filename;
 }
 public long getSize() {
 return size.getValue();
 }
 
 public SimpleObjectProperty getSizeProperty() {
 return size;
 }
 
 public void setSize(long s){
 size.setValue(s);
 }
 
 public DownloadStatus getStatus() {
 return status.getValue();
 }
 public SimpleObjectProperty getStatusProperty() {
 return status;
 }
 public void setStatus(DownloadStatus status) {
 this.status.setValue(status);
 }
 
 public boolean getAccelerated(){
 return accelerated.getValue();
 }
 
 public SimpleObjectProperty getAcceleratedProperty(){
 return accelerated;
 }
 
 public void setAccelerated(boolean a){
 accelerated.setValue(a);
 }
 public int getTimeout(){
 return timeout;
 }
 public int getParts(){
 return parts;
 }
}

package downloadmanager;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Paths;
import javafx.beans.property.SimpleObjectProperty;
/**
 *
 * @author gnik
 */
public class DownloadMetadata{
 private final SimpleObjectProperty<URL> url;
 private final SimpleObjectProperty<Integer> downloadID;
 private final SimpleObjectProperty<String> filename;
 private static final int parts=8;
 private final SimpleObjectProperty<Long> size=new SimpleObjectProperty<>();
 private static final int timeout=10000;
 private final SimpleObjectProperty<Boolean> accelerated=new SimpleObjectProperty<>(false);
 private final SimpleObjectProperty<DownloadStatus> status=new SimpleObjectProperty<>(DownloadStatus.NEW);
 
 public DownloadMetadata(String url,int ID) throws MalformedURLException{
 this.url=new SimpleObjectProperty<>(new URL(url));
 this.downloadID=new SimpleObjectProperty(ID);
 String file=String.valueOf(ID)+"_"+Paths.get(this.url.getValue().getPath()).getFileName().toString();
 this.filename=new SimpleObjectProperty<>(file);
 }
 public URL getUrl() {
 return url.getValue();
 }
 
 public SimpleObjectProperty getUrlProperty() {
 return url;
 }
 public Integer getDownloadID() {
 return downloadID.getValue();
 }
 
 
 public SimpleObjectProperty<Integer> getDownloadIDProperty() {
 return downloadID;
 }
 
 public String getFilename() {
 return filename.getValue();
 }
 public SimpleObjectProperty getFilenameProperty() {
 return filename;
 }
 public long getSize() {
 return size.getValue();
 }
 
 public SimpleObjectProperty getSizeProperty() {
 return size;
 }
 
 public void setSize(long s){
 size.setValue(s);
 }
 
 public DownloadStatus getStatus() {
 return status.getValue();
 }
 public SimpleObjectProperty getStatusProperty() {
 return status;
 }
 public void setStatus(DownloadStatus status) {
 this.status.setValue(status);
 }
 
 public boolean getAccelerated(){
 return accelerated.getValue();
 }
 
 public SimpleObjectProperty getAcceleratedProperty(){
 return accelerated;
 }
 
 public void setAccelerated(boolean a){
 accelerated.setValue(a);
 }
 public int getTimeout(){
 return timeout;
 }
 public int getParts(){
 return parts;
 }
}