Package org.tukaani.xz

Class SeekableFileInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class SeekableFileInputStream
extends SeekableInputStream
    Wraps a RandomAccessFile in a SeekableInputStream.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.io.RandomAccessFile randomAccessFile
      The RandomAccessFile that has been wrapped into a SeekableFileInputStream.

    • Constructor Summary

      Constructors 
      Constructor Description
      SeekableFileInputStream​(java.io.File file)
      Creates a new seekable input stream that reads from the specified file.
      SeekableFileInputStream​(java.io.RandomAccessFile randomAccessFile)
      Creates a new seekable input stream from an existing RandomAccessFile object.
      SeekableFileInputStream​(java.lang.String name)
      Creates a new seekable input stream that reads from a file with the specified name.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      Calls randomAccessFile.close().
      long length()
      Calls randomAccessFile.length().
      long position()
      Calls randomAccessFile.getFilePointer().
      int read()
      Calls randomAccessFile.read().
      int read​(byte[] buf)
      Calls randomAccessFile.read(buf).
      int read​(byte[] buf, int off, int len)
      Calls randomAccessFile.read(buf, off, len).
      void seek​(long pos)
      Calls randomAccessFile.seek(long).

      • Methods inherited from class java.io.InputStream

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

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • randomAccessFile

        protected java.io.RandomAccessFile randomAccessFile
        The RandomAccessFile that has been wrapped into a SeekableFileInputStream.

    • Constructor Detail

      • SeekableFileInputStream

        public SeekableFileInputStream​(java.io.File file)
                        throws java.io.FileNotFoundException
        Creates a new seekable input stream that reads from the specified file.
        Throws:
        java.io.FileNotFoundException

      • SeekableFileInputStream

        public SeekableFileInputStream​(java.lang.String name)
                        throws java.io.FileNotFoundException
        Creates a new seekable input stream that reads from a file with the specified name.
        Throws:
        java.io.FileNotFoundException

      • SeekableFileInputStream

        public SeekableFileInputStream​(java.io.RandomAccessFile randomAccessFile)
        Creates a new seekable input stream from an existing RandomAccessFile object.

    • Method Detail

      • read

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

      • read

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

      • close

        public void close()
           throws java.io.IOException
        Calls randomAccessFile.close().
        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

      • length

        public long length()
            throws java.io.IOException
        Calls randomAccessFile.length().
        Specified by:
        length in class SeekableInputStream
        Throws:
        java.io.IOException

      • position

        public long position()
              throws java.io.IOException
        Calls randomAccessFile.getFilePointer().
        Specified by:
        position in class SeekableInputStream
        Throws:
        java.io.IOException

      • seek

        public void seek​(long pos)
          throws java.io.IOException
        Calls randomAccessFile.seek(long).
        Specified by:
        seek in class SeekableInputStream
        Parameters:
        pos - new read position in the stream
        Throws:
        java.io.IOException - if pos is negative or if a stream-specific I/O error occurs