Class ClosedInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable

    public class ClosedInputStream
    extends java.io.InputStream
    Closed input stream. This stream returns -1 to all attempts to read something from the stream.

    Typically uses of this class include testing for corner cases in methods that accept input streams and acting as a sentinel value instead of a null input stream.

    Since:
    1.4
    Version:
    $Id: ClosedInputStream.java 1307459 2012-03-30 15:11:44Z ggregory $
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int read()
      Returns -1 to indicate that the stream is closed.
      • Methods inherited from class java.io.InputStream

        available, close, mark, markSupported, nullInputStream, read, read, readAllBytes, readNBytes, readNBytes, reset, skip, transferTo
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • CLOSED_INPUT_STREAM

        public static final ClosedInputStream CLOSED_INPUT_STREAM
        A singleton.
    • Constructor Detail

      • ClosedInputStream

        public ClosedInputStream()
    • Method Detail

      • read

        public int read()
        Returns -1 to indicate that the stream is closed.
        Specified by:
        read in class java.io.InputStream
        Returns:
        always -1