Class AbstractReaderSource

All Implemented Interfaces:
HasCleanup, ReaderSource
Direct Known Subclasses:
FileReaderSource, InputStreamReaderSource, StringReaderSource, URLReaderSource

public abstract class AbstractReaderSource extends Object implements ReaderSource
For ReaderSources that can choose a parent class, a base that provides common functionality.
  • Field Details

  • Constructor Details

  • Method Details

    • canReopenSource

      public boolean canReopenSource()
      Returns true if the source can be restarted (i.e. if getReader() will return non-null on subsequent calls).
      Specified by:
      canReopenSource in interface ReaderSource
      true if the resource can be reopened for reading
    • getLine

      public String getLine(int lineNumber, Janitor janitor)
      Returns a line from the source, or null, if unavailable. If you supply a Janitor, resources will be cached.
      Specified by:
      getLine in interface ReaderSource
      lineNumber - the number of the line of interest
      janitor - helper to clean up afterwards
      the line of interest
    • cleanup

      public void cleanup()
      Cleans up any cached resources used by getLine().
      Specified by:
      cleanup in interface HasCleanup
      Specified by:
      cleanup in interface ReaderSource