Class DownloadDialog

java.lang.Object
uk.ac.starlink.topcat.DownloadDialog

public abstract class DownloadDialog extends Object
Provides a dialogue that disposes of a URL by downloading the resource to a location specified interactively by the user.
Since:
15 Jun 2018
Author:
Mark Taylor
  • Constructor Details

    • DownloadDialog

      public DownloadDialog()
  • Method Details

    • chooseFileEdt

      public abstract File chooseFileEdt()
      Acquires a destination File for a downloaded resource by interacting with the user. This method is invoked on the Event Dispatch Thread.
      Returns:
      user-selected destination file, or null if the operation is cancelled
    • userDownload

      public Outcome userDownload(URL url)
      Downloads the resource from a given URL to a file selected interactively by the user. This method is not invoked on the Event Dispatch Thread.
      Parameters:
      url - location of resource to download
      Returns:
      operation outcome
    • createSystemDialog

      public static DownloadDialog createSystemDialog(Component parent)
      Returns an instance of this class based on an AWT FileDialog. This provides less consistency, but possibly tighter system interaction.
      Parameters:
      parent - parent component
      Returns:
      dialog
    • createSwingDialog

      public static DownloadDialog createSwingDialog(Component parent)
      Returns an instance of this class based on a Swing JFileChooser. This provides a GUI that is consistent between different platforms.
      Parameters:
      parent - parent component
      Returns:
      dialog