Пример #1
0
  /**
   * Sends the given file through this chat transport file transfer operation set.
   *
   * @param file the file to send
   * @return the <tt>FileTransfer</tt> object charged to transfer the file
   * @throws Exception if anything goes wrong
   */
  public FileTransfer sendFile(File file) throws Exception {
    // If this chat transport does not support instant messaging we do
    // nothing here.
    if (!allowsFileTransfer()) return null;

    OperationSetFileTransfer ftOpSet =
        contact.getProtocolProvider().getOperationSet(OperationSetFileTransfer.class);

    if (FileUtils.isImage(file.getName())) {
      // Create a thumbnailed file if possible.
      OperationSetThumbnailedFileFactory tfOpSet =
          contact.getProtocolProvider().getOperationSet(OperationSetThumbnailedFileFactory.class);

      if (tfOpSet != null) {
        byte[] thumbnail = getFileThumbnail(file);

        if (thumbnail != null && thumbnail.length > 0) {
          file =
              tfOpSet.createFileWithThumbnail(
                  file, THUMBNAIL_WIDTH, THUMBNAIL_HEIGHT, "image/png", thumbnail);
        }
      }
    }
    return ftOpSet.sendFile(contact, file);
  }
Пример #2
0
  /**
   * Returns the maximum file length supported by the protocol in bytes.
   *
   * @return the file length that is supported.
   */
  public long getMaximumFileLength() {
    OperationSetFileTransfer ftOpSet =
        contact.getProtocolProvider().getOperationSet(OperationSetFileTransfer.class);

    return ftOpSet.getMaximumFileLength();
  }