Package org.apache.pdfbox.io

Class ASCII85InputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    public class ASCII85InputStream
extends java.io.FilterInputStream
    This class represents an ASCII85 stream.
    Author:
    Ben Litchfield

    • Field Summary

      • Fields inherited from class java.io.FilterInputStream

        in

    • Constructor Summary

      Constructors 
      Constructor Description
      ASCII85InputStream​(java.io.InputStream is)
      Constructor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int available()
      Unsupported.
      void close()
      This will close the underlying stream and release any resources.
      void mark​(int readlimit)
      Unsupported.
      boolean markSupported()
      non supported interface methods.
      int read()
      This will read the next byte from the stream.
      int read​(byte[] data, int offset, int len)
      This will read a chunk of data.
      void reset()
      Unsupported.
      long skip​(long nValue)
      Unsupported.

      • Methods inherited from class java.io.FilterInputStream

        read

      • 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

      • ASCII85InputStream

        public ASCII85InputStream​(java.io.InputStream is)
        Constructor.
        Parameters:
        is - The input stream to actually read from.

    • Method Detail

      • read

        public final int read()
               throws java.io.IOException
        This will read the next byte from the stream.
        Overrides:
        read in class java.io.FilterInputStream
        Returns:
        The next byte read from the stream.
        Throws:
        java.io.IOException - If there is an error reading from the wrapped stream.

      • read

        public final int read​(byte[] data,
                      int offset,
                      int len)
               throws java.io.IOException
        This will read a chunk of data.
        Overrides:
        read in class java.io.FilterInputStream
        Parameters:
        data - The buffer to write data to.
        offset - The offset into the data stream.
        len - The number of byte to attempt to read.
        Returns:
        The number of bytes actually read.
        Throws:
        java.io.IOException - If there is an error reading data from the underlying stream.

      • close

        public void close()
           throws java.io.IOException
        This will close the underlying stream and release any resources.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class java.io.FilterInputStream
        Throws:
        java.io.IOException - If there is an error closing the underlying stream.

      • markSupported

        public boolean markSupported()
        non supported interface methods.
        Overrides:
        markSupported in class java.io.FilterInputStream
        Returns:
        False always.

      • skip

        public long skip​(long nValue)
        Unsupported.
        Overrides:
        skip in class java.io.FilterInputStream
        Parameters:
        nValue - ignored.
        Returns:
        Always zero.

      • available

        public int available()
        Unsupported.
        Overrides:
        available in class java.io.FilterInputStream
        Returns:
        Always zero.

      • mark

        public void mark​(int readlimit)
        Unsupported.
        Overrides:
        mark in class java.io.FilterInputStream
        Parameters:
        readlimit - ignored.

      • reset

        public void reset()
           throws java.io.IOException
        Unsupported.
        Overrides:
        reset in class java.io.FilterInputStream
        Throws:
        java.io.IOException - telling that this is an unsupported action.