Examples with DownloadException com.acgist.snail.context.exception.DownloadException used on opensource projects

Example 1 with DownloadException

use of com.acgist.snail.context.exception.DownloadException in project snail by acgist.

the class SingleFileDownloader method download.

@Override
public void download() throws DownloadException {
    int length = 0;
    final long fileSize = this.taskSession.getSize();
    final ByteBuffer buffer = ByteBuffer.allocateDirect(SystemConfig.DEFAULT_EXCHANGE_LENGTH);
    try {
        while (this.downloadable()) {
            length = this.input.read(buffer);
            if (length >= 0) {
                buffer.flip();
                this.output.write(buffer);
                buffer.compact();
                this.statistics.download(length);
                this.statistics.downloadLimit(length);
                this.fastCheckTime = System.currentTimeMillis();
            }
            if (Downloader.checkFinish(length, this.taskSession.downloadSize(), fileSize)) {
                this.completed = true;
                break;
            }
        }
    } catch (IOException e) {
        // 防止偶然下载失败：通过验证下载时间、下载数据大小进行重试下载
        throw new DownloadException("数据流操作失败", e);
    }
}

Example 2 with DownloadException

use of com.acgist.snail.context.exception.DownloadException in project snail by acgist.

the class TorrentController method buildTree.

/**
 * <p>新建文件选择树形菜单</p>
 *
 * @param taskSession 任务信息
 */
public void buildTree(ITaskSession taskSession) {
    Torrent torrent = null;
    final TreeView<HBox> tree = this.buildTree();
    try {
        torrent = TorrentContext.getInstance().newTorrentSession(taskSession.getTorrent()).torrent();
    } catch (DownloadException e) {
        LOGGER.error("种子文件解析异常", e);
        Alerts.warn("下载失败", e.getMessage());
    }
    if (torrent != null) {
        this.taskSession = taskSession;
        this.torrentSelector = TorrentSelector.newInstance(torrent.name(), this.download, tree);
        torrent.getInfo().files().stream().filter(TorrentFile::notPaddingFile).forEach(this.torrentSelector::build);
        this.torrentSelector.select(taskSession);
    }
}

Example 3 with DownloadException

use of com.acgist.snail.context.exception.DownloadException in project snail by acgist.

the class TaskContextTest method testNewTask.

@Test
void testNewTask() throws DownloadException {
    SnailBuilder.newBuilder().buildSync();
    final var taskContext = TaskContext.getInstance();
    var exception = assertThrows(DownloadException.class, () -> taskContext.download("https://www.acgist.com"));
    this.log(exception.getMessage());
    exception = assertThrows(DownloadException.class, () -> taskContext.submit(null));
    this.log(exception.getMessage());
    ProtocolContext.getInstance().register(HttpProtocol.getInstance());
    final ITaskSession taskSession = taskContext.download("https://www.acgist.com");
    assertTrue(taskContext.allTask().size() > 0);
    FileUtils.delete(taskSession.getFile());
    taskSession.delete();
}

Example 4 with DownloadException

use of com.acgist.snail.context.exception.DownloadException in project snail by acgist.

the class SnailTest method testTorrent.

@Test
void testTorrent() throws DownloadException {
    final String torrentPath = "E:\\snail\\0B156834B59B0FF64EE0C9305D4D6EDE421196E6.torrent";
    final var snail = SnailBuilder.newBuilder().enableTorrent().buildSync();
    assertNotNull(snail);
    // 解析种子文件
    final var torrent = TorrentContext.loadTorrent(torrentPath);
    // 过滤下载文件
    final var list = torrent.getInfo().files().stream().filter(TorrentFile::notPaddingFile).map(TorrentFile::path).filter(path -> path.endsWith(".mkv")).collect(Collectors.toList());
    // 设置下载文件
    GuiContext.getInstance().files(DescriptionWrapper.newEncoder(list).serialize());
    // 注册文件选择事件
    GuiContext.register(new MultifileEventAdapter());
    // 开始下载
    snail.download(torrentPath);
    snail.lockDownload();
}

Example 5 with DownloadException

use of com.acgist.snail.context.exception.DownloadException in project snail by acgist.

the class TorrentProtocol method selectFiles.

/**
 * <p>选择下载文件、设置文件大小</p>
 *
 * @throws DownloadException 下载异常
 */
private void selectFiles() throws DownloadException {
    ITaskSession taskSession = null;
    try {
        taskSession = TaskSession.newInstance(this.taskEntity);
        GuiContext.getInstance().multifile(taskSession);
    } catch (DownloadException e) {
        throw e;
    } catch (Exception e) {
        throw new DownloadException("选择下载文件错误", e);
    }
    if (taskSession.multifileSelected().isEmpty()) {
        throw new DownloadException("没有选择下载文件");
    }
}