Interface Leaf

  • All Superinterfaces:
    Node
    All Known Implementing Classes:
    ErrorLeaf

    public interface Leaf
    extends Node
    Represents a non-directory type file in a (possibly remote) filesystem.
    Since:
    18 Feb 2005
    Author:
    Mark Taylor (Starlink)
    • Method Detail

      • getDataSource

        uk.ac.starlink.util.DataSource getDataSource()
                                              throws java.io.IOException
        Returns a data source (replayable input stream) containing the data content of this leaf.
        Returns:
        data source
        Throws:
        FileNotFoundException - if the file named by this leaf does not exist
        java.io.IOException - if some other error occurs
      • getOutputStream

        java.io.OutputStream getOutputStream()
                                      throws java.io.IOException
        Returns an output stream from this leaf. Whether the file named by this leaf already exists or not, the returned stream should effectively write to a new file (deleting an existing one if necessary).
        Returns:
        output stream writing to the file named by this leaf
        Throws:
        java.io.IOException - if there's some error