org.apache.fontbox.cff
Class DataInput

java.lang.Object
  extended by org.apache.fontbox.cff.DataInput
Direct Known Subclasses:
CFFDataInput

public class DataInput
extends Object

This class contains some functionality to read a byte buffer.

Version:
$Revision$
Author:
Villu Russmann

Constructor Summary
DataInput(byte[] buffer)
          Constructor.
 
Method Summary
 int getPosition()
          Returns the current position.
 String getString()
          Returns the buffer as an ISO-8859-1 string.
 boolean hasRemaining()
          Determines if there are any bytes left to read or not.
 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 String getString()
                 throws IOException
Returns the buffer as an ISO-8859-1 string.

Returns:
the buffer as string
Throws:
IOException - if an error occurs during reading

readByte

public byte readByte()
              throws IOException
Read one single byte from the buffer.

Returns:
the byte
Throws:
IOException - if an error occurs during reading

readUnsignedByte

public int readUnsignedByte()
                     throws IOException
Read one single unsigned byte from the buffer.

Returns:
the unsigned byte as int
Throws:
IOException - if an error occurs during reading

readShort

public short readShort()
                throws IOException
Read one single short value from the buffer.

Returns:
the short value
Throws:
IOException - if an error occurs during reading

readUnsignedShort

public int readUnsignedShort()
                      throws IOException
Read one single unsigned short (2 bytes) value from the buffer.

Returns:
the unsigned short value as int
Throws:
IOException - if an error occurs during reading

readInt

public int readInt()
            throws IOException
Read one single int (4 bytes) from the buffer.

Returns:
the int value
Throws:
IOException - if an error occurs during reading

readBytes

public byte[] readBytes(int length)
                 throws 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:
IOException - if an error occurs during reading


Copyright © 2008-2011 Apache Software Foundation. All Rights Reserved.