Class FileChannelInputStream

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

    public class FileChannelInputStream
    extends java.io.InputStream
    Allows to read from a file channel like an input stream.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private java.nio.ByteBuffer buffer  
      private java.nio.channels.FileChannel channel  
      private boolean closeChannel  
      private long pos  
    • Constructor Summary

      Constructors 
      Constructor Description
      FileChannelInputStream​(java.nio.channels.FileChannel channel, boolean closeChannel)
      Create a new file object input stream from the file channel.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      int read()  
      int read​(byte[] b)  
      int read​(byte[] b, int off, int len)  
      • Methods inherited from class java.io.InputStream

        available, mark, markSupported, nullInputStream, 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

      • channel

        private final java.nio.channels.FileChannel channel
      • closeChannel

        private final boolean closeChannel
      • buffer

        private java.nio.ByteBuffer buffer
      • pos

        private long pos
    • Constructor Detail

      • FileChannelInputStream

        public FileChannelInputStream​(java.nio.channels.FileChannel channel,
                                      boolean closeChannel)
        Create a new file object input stream from the file channel.
        Parameters:
        channel - the file channel
        closeChannel - whether closing the stream should close the channel
    • 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[] 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
      • 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