Package com.github.junrar.io

Class RandomAccessInputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public final class RandomAccessInputStream
extends java.io.InputStream
    This is a class that uses a memory cache to allow seeking within an InputStream. Based on the JAI MemoryCacheSeekableStream class.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static int BLOCK_MASK  
      private static int BLOCK_SHIFT  
      private static int BLOCK_SIZE  
      private java.util.Vector data  
      private boolean foundEOS  
      private long length  
      private long pointer  
      private java.io.InputStream src  

    • Constructor Summary

      Constructors 
      Constructor Description
      RandomAccessInputStream​(java.io.InputStream inputstream)
      Constructs a RandomAccessStream from an InputStream.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()  
      int getFilePointer()  
      long getLongFilePointer()  
      int read()  
      int read​(byte[] bytes, int off, int len)  
      double readDouble()  
      float readFloat()  
      void readFully​(byte[] bytes)  
      void readFully​(byte[] bytes, int len)  
      int readInt()  
      long readLong()  
      short readShort()  
      private long readUntil​(long l)  
      void seek​(int loc)  
      void seek​(long loc)  

      • Methods inherited from class java.io.InputStream

        available, mark, markSupported, nullInputStream, 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

      • src

        private final java.io.InputStream src

      • pointer

        private long pointer

      • data

        private final java.util.Vector data

      • length

        private long length

      • foundEOS

        private boolean foundEOS

    • Constructor Detail

      • RandomAccessInputStream

        public RandomAccessInputStream​(java.io.InputStream inputstream)
        Constructs a RandomAccessStream from an InputStream. Seeking backwards is supported using a memory cache.
        Parameters:
        inputstream - .

    • Method Detail

      • getFilePointer

        public int getFilePointer()
                   throws java.io.IOException
        Throws:
        java.io.IOException

      • getLongFilePointer

        public long getLongFilePointer()
                        throws java.io.IOException
        Throws:
        java.io.IOException

      • 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[] bytes,
                int off,
                int len)
         throws java.io.IOException
        Overrides:
        read in class java.io.InputStream
        Throws:
        java.io.IOException

      • readFully

        public void readFully​(byte[] bytes)
               throws java.io.IOException
        Throws:
        java.io.IOException

      • readFully

        public void readFully​(byte[] bytes,
                      int len)
               throws java.io.IOException
        Throws:
        java.io.IOException

      • readUntil

        private long readUntil​(long l)
                throws java.io.IOException
        Throws:
        java.io.IOException

      • seek

        public void seek​(long loc)
          throws java.io.IOException
        Throws:
        java.io.IOException

      • seek

        public void seek​(int loc)
          throws java.io.IOException
        Throws:
        java.io.IOException

      • readInt

        public int readInt()
            throws java.io.IOException
        Throws:
        java.io.IOException

      • readLong

        public long readLong()
              throws java.io.IOException
        Throws:
        java.io.IOException

      • readDouble

        public double readDouble()
                  throws java.io.IOException
        Throws:
        java.io.IOException

      • readShort

        public short readShort()
                throws java.io.IOException
        Throws:
        java.io.IOException

      • readFloat

        public float readFloat()
                throws java.io.IOException
        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