Package org.apache.fontbox.cff

Class DataInput

  • Direct Known Subclasses:
    CFFDataInput
    public class DataInput
extends java.lang.Object
    This class contains some functionality to read a byte buffer.
    Version:
    $Revision$
    Author:
    Villu Ruusmann

    • Constructor Summary

      Constructors 
      Constructor Description
      DataInput​(byte[] buffer)
      Constructor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getPosition()
      Returns the current position.
      java.lang.String getString()
      Returns the buffer as an ISO-8859-1 string.
      boolean hasRemaining()
      Determines if there are any bytes left to read or not.
      int length()  
      byte readByte()
      Read one single byte from the buffer.
      byte[] readBytes​(int length)
      Read a number of single byte values from the buffer.
      int readInt()
      Read one single int (4 bytes) from the buffer.
      short readShort()
      Read one single short value from the buffer.
      int readUnsignedByte()
      Read one single unsigned byte from the buffer.
      int readUnsignedShort()
      Read one single unsigned short (2 bytes) value from the buffer.
      void setPosition​(int position)
      Sets the current position to the given value.

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • DataInput

        public DataInput​(byte[] buffer)
        Constructor.
        Parameters:
        buffer - the buffer to be read

    • Method Detail

      • hasRemaining

        public boolean hasRemaining()
        Determines if there are any bytes left to read or not.
        Returns:
        true if there are any bytes left to read

      • getPosition

        public int getPosition()
        Returns the current position.
        Returns:
        current position

      • setPosition

        public void setPosition​(int position)
        Sets the current position to the given value.
        Parameters:
        position - the given position

      • getString

        public java.lang.String getString()
                           throws java.io.IOException
        Returns the buffer as an ISO-8859-1 string.
        Returns:
        the buffer as string
        Throws:
        java.io.IOException - if an error occurs during reading

      • readByte

        public byte readByte()
              throws java.io.IOException
        Read one single byte from the buffer.
        Returns:
        the byte
        Throws:
        java.io.IOException - if an error occurs during reading

      • readUnsignedByte

        public int readUnsignedByte()
                     throws java.io.IOException
        Read one single unsigned byte from the buffer.
        Returns:
        the unsigned byte as int
        Throws:
        java.io.IOException - if an error occurs during reading

      • readShort

        public short readShort()
                throws java.io.IOException
        Read one single short value from the buffer.
        Returns:
        the short value
        Throws:
        java.io.IOException - if an error occurs during reading

      • readUnsignedShort

        public int readUnsignedShort()
                      throws java.io.IOException
        Read one single unsigned short (2 bytes) value from the buffer.
        Returns:
        the unsigned short value as int
        Throws:
        java.io.IOException - if an error occurs during reading

      • readInt

        public int readInt()
            throws java.io.IOException
        Read one single int (4 bytes) from the buffer.
        Returns:
        the int value
        Throws:
        java.io.IOException - if an error occurs during reading

      • readBytes

        public byte[] readBytes​(int length)
                 throws java.io.IOException
        Read a number of single byte values from the buffer.
        Parameters:
        length - the number of bytes to be read
        Returns:
        an array with containing the bytes from the buffer
        Throws:
        java.io.IOException - if an error occurs during reading

      • length

        public int length()