| /******************************************************************************* |
| * Copyright (c) 2006, 2009 Remy Suen, Composent Inc., and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Remy Suen <remy.suen@gmail.com> - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.ecf.internal.provider.bittorrent; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.ecf.core.ContainerConnectException; |
| import org.eclipse.ecf.core.IContainer; |
| import org.eclipse.ecf.core.IContainerListener; |
| import org.eclipse.ecf.core.events.ContainerDisposeEvent; |
| import org.eclipse.ecf.core.events.IContainerEvent; |
| import org.eclipse.ecf.core.identity.ID; |
| import org.eclipse.ecf.core.identity.IDCreateException; |
| import org.eclipse.ecf.core.identity.IDFactory; |
| import org.eclipse.ecf.core.identity.Namespace; |
| import org.eclipse.ecf.core.security.IConnectContext; |
| import org.eclipse.ecf.core.util.Proxy; |
| import org.eclipse.ecf.filetransfer.FileTransferJob; |
| import org.eclipse.ecf.filetransfer.IFileRangeSpecification; |
| import org.eclipse.ecf.filetransfer.IFileTransferListener; |
| import org.eclipse.ecf.filetransfer.IIncomingFileTransfer; |
| import org.eclipse.ecf.filetransfer.IncomingFileTransferException; |
| import org.eclipse.ecf.filetransfer.InvalidFileRangeSpecificationException; |
| import org.eclipse.ecf.filetransfer.UserCancelledException; |
| import org.eclipse.ecf.filetransfer.events.IIncomingFileTransferReceiveStartEvent; |
| import org.eclipse.ecf.filetransfer.identity.IFileID; |
| import org.eclipse.ecf.filetransfer.service.IRetrieveFileTransfer; |
| import org.eclipse.ecf.protocol.bittorrent.Torrent; |
| import org.eclipse.ecf.protocol.bittorrent.TorrentFactory; |
| import org.eclipse.ecf.protocol.bittorrent.TorrentFile; |
| |
| public final class BitTorrentContainer implements IContainer, IRetrieveFileTransfer { |
| |
| private final List containerListeners; |
| |
| private final ID id; |
| |
| public BitTorrentContainer() throws IDCreateException { |
| id = IDFactory.getDefault().createGUID(); |
| containerListeners = new ArrayList(); |
| BitTorrentProviderPlugin.getDefault().setConfigurationPath(); |
| } |
| |
| public void connect(ID targetID, IConnectContext connectContext) throws ContainerConnectException { |
| // do nothing since BitTorrent does not have a central network |
| } |
| |
| public void disconnect() { |
| // do nothing since BitTorrent does not have a central network |
| } |
| |
| public void dispose() { |
| fireContainerEvent(new ContainerDisposeEvent(id)); |
| } |
| |
| private void fireContainerEvent(IContainerEvent event) { |
| synchronized (containerListeners) { |
| for (int i = 0; i < containerListeners.size(); i++) { |
| final IContainerListener icl = (IContainerListener) containerListeners.get(i); |
| icl.handleEvent(event); |
| } |
| } |
| } |
| |
| public Object getAdapter(Class serviceType) { |
| return serviceType.isInstance(this) ? this : null; |
| } |
| |
| public Namespace getConnectNamespace() { |
| return null; |
| } |
| |
| public ID getConnectedID() { |
| return null; |
| } |
| |
| public ID getID() { |
| return id; |
| } |
| |
| public void addListener(IContainerListener listener) { |
| synchronized (containerListeners) { |
| if (!containerListeners.contains(listener)) { |
| containerListeners.add(listener); |
| } |
| } |
| } |
| |
| public void removeListener(IContainerListener listener) { |
| synchronized (containerListeners) { |
| containerListeners.remove(listener); |
| } |
| } |
| |
| public void sendRetrieveRequest(final IFileID remoteFileReference, final IFileTransferListener transferListener, Map options) throws IncomingFileTransferException { |
| Assert.isNotNull(remoteFileReference, "remoteFileReference cannot be null"); //$NON-NLS-1$ |
| Assert.isLegal(remoteFileReference instanceof TorrentID, "remoteFileReference must be instanceof TorrentID"); //$NON-NLS-1$ |
| Assert.isNotNull(transferListener, "transferListener cannot be null"); //$NON-NLS-1$ |
| |
| transferListener.handleTransferEvent(new IIncomingFileTransferReceiveStartEvent() { |
| |
| private IIncomingFileTransfer transfer; |
| |
| private boolean cancelled = false; |
| |
| public IIncomingFileTransfer receive(File localFileToSave) throws IOException { |
| if (cancelled) { |
| throw new RuntimeException(new UserCancelledException()); |
| } |
| |
| Assert.isNotNull(localFileToSave, "localFileToSave cannot be null"); //$NON-NLS-1$ |
| |
| if (localFileToSave.exists() && !localFileToSave.canWrite()) { |
| throw new IOException("file="+localFileToSave.getAbsolutePath()+" does not exist or cannot be written to"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| final TorrentFile file = new TorrentFile(((TorrentID) remoteFileReference).getFile()); |
| file.setTargetFile(localFileToSave); |
| final Torrent torrent = TorrentFactory.createTorrent(file); |
| transfer = new TorrentFileTransfer(remoteFileReference, transferListener, torrent); |
| return transfer; |
| } |
| |
| public IIncomingFileTransfer receive(File localFileToSave, FileTransferJob fileTransferJob) throws IOException { |
| if (cancelled) { |
| throw new RuntimeException(new UserCancelledException()); |
| } |
| |
| Assert.isNotNull(localFileToSave, "localFileToSave must not be null"); //$NON-NLS-1$ |
| |
| if (localFileToSave.exists() && !localFileToSave.canWrite()) { |
| throw new IOException("file="+localFileToSave.getAbsolutePath()+" does not exist or cannot be written to"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| final TorrentFile file = new TorrentFile(((TorrentID) remoteFileReference).getFile()); |
| file.setTargetFile(localFileToSave); |
| final Torrent torrent = TorrentFactory.createTorrent(file); |
| transfer = new TorrentFileTransfer(remoteFileReference, transferListener, torrent); |
| return transfer; |
| } |
| |
| public void cancel() { |
| if (transfer != null) { |
| transfer.cancel(); |
| cancelled = true; |
| } |
| } |
| |
| public IFileID getFileID() { |
| return remoteFileReference; |
| } |
| |
| public IIncomingFileTransfer receive(OutputStream streamToStore) throws IOException { |
| throw new UnsupportedOperationException("receive(OutputStream) not supported by this provider"); |
| } |
| |
| public IIncomingFileTransfer receive(OutputStream streamToStore, FileTransferJob fileTransferJob) throws IOException { |
| throw new UnsupportedOperationException("receive(OutputStream,FileTransferJob) not supported by this provider"); |
| } |
| |
| public IIncomingFileTransfer getSource() { |
| return transfer; |
| } |
| |
| public Map getResponseHeaders() { |
| return null; |
| } |
| |
| }); |
| } |
| |
| public Namespace getRetrieveNamespace() { |
| return IDFactory.getDefault().getNamespaceByName(BitTorrentProviderPlugin.NAMESPACE_ID); |
| } |
| |
| public void setConnectContextForAuthentication(IConnectContext connectContext) { |
| } |
| |
| public void setProxy(Proxy proxy) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ecf.filetransfer.IRetrieveFileTransferContainerAdapter#sendRetrieveRequest(org.eclipse.ecf.filetransfer.identity.IFileID, org.eclipse.ecf.filetransfer.IFileRangeSpecification, org.eclipse.ecf.filetransfer.IFileTransferListener, java.util.Map) |
| */ |
| public void sendRetrieveRequest(IFileID remoteFileID, IFileRangeSpecification rangeSpecification, IFileTransferListener transferListener, Map options) throws IncomingFileTransferException { |
| // TODO Auto-generated method stub |
| throw new InvalidFileRangeSpecificationException("not supported", rangeSpecification); |
| } |
| } |