Package com.saperion.common.io

Class CountingInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class CountingInputStream
extends java.io.InputStream
    This InputStream counts the number of bytes read (or skipped) to determine the length of stream while streaming.
    Author:
    jschwarz

    • Constructor Summary

      Constructors 
      Constructor Description
      CountingInputStream​(java.io.InputStream delegate)
      This constructor creates a new CountingInputStream that counts the bytes in the stream given.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int available()  
      void close()  
      long getNumberOfBytes()
      This method returns the number of bytes read from the stream so far.
      void mark​(int readlimit)  
      boolean markSupported()  
      int read()  
      int read​(byte[] b)  
      int read​(byte[] b, int off, int len)  
      void reset()  
      long skip​(long n)  

      • Methods inherited from class java.io.InputStream

        nullInputStream, readAllBytes, readNBytes, readNBytes, transferTo

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • CountingInputStream

        public CountingInputStream​(java.io.InputStream delegate)
        This constructor creates a new CountingInputStream that counts the bytes in the stream given.
        Parameters:
        delegate - the InputStreams whose bytes are to count

    • Method Detail

      • read

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

      • read

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

      • skip

        public long skip​(long n)
          throws java.io.IOException
        Overrides:
        skip 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

      • 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

      • mark

        public void mark​(int readlimit)
        Overrides:
        mark in class java.io.InputStream

      • reset

        public void reset()
           throws java.io.IOException
        Overrides:
        reset in class java.io.InputStream
        Throws:
        java.io.IOException

      • markSupported

        public boolean markSupported()
        Overrides:
        markSupported in class java.io.InputStream

      • read

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

      • getNumberOfBytes

        public long getNumberOfBytes()
        This method returns the number of bytes read from the stream so far.
        Returns:
        the number of bytes read from the stream so far