Module org.hsqldb
Package org.hsqldb.lib

Class CountdownInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public final class CountdownInputStream
extends java.io.InputStream
    Counts down from a specified value the number of bytes actually read from the wrapped InputStream.

    Returns minus one (-1) early from readXXX methods if the count down reaches zero (0) before the end of the wrapped InputStream is encountered.

    This class is especially useful when a fixed number of bytes is to be read from an InputStream that is in turn to be used as the source for an InputStreamReader.

    Since:
    1.9.0
    Author:
    Campbell Burnet (campbell-burnet@users dot sourceforge.net)

    • Constructor Summary

      Constructors 
      Constructor Description
      CountdownInputStream​(java.io.InputStream is)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int available()  
      void close()  
      long getCount()  
      int read()  
      int read​(byte[] buf)  
      int read​(byte[] buf, int off, int len)  
      void setCount​(long count)  
      long skip​(long count)  

      • Methods inherited from class java.io.InputStream

        mark, markSupported, nullInputStream, readAllBytes, readNBytes, readNBytes, reset, transferTo

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • CountdownInputStream

        public CountdownInputStream​(java.io.InputStream is)

    • Method Detail

      • read

        public int read()
         throws java.io.IOException
        Specified by:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • read

        public int read​(byte[] buf)
         throws java.io.IOException
        Overrides:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • read

        public int read​(byte[] buf,
                int off,
                int len)
         throws java.io.IOException
        Overrides:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.InputStream
        Throws:
        java.io.IOException

      • available

        public int available()
              throws java.io.IOException
        Overrides:
        available in class java.io.InputStream
        Throws:
        java.io.IOException

      • skip

        public long skip​(long count)
          throws java.io.IOException
        Overrides:
        skip in class java.io.InputStream
        Throws:
        java.io.IOException

      • getCount

        public long getCount()

      • setCount

        public void setCount​(long count)