Class BufferDecoder

java.lang.Object

nom.tam.util.BufferDecoder

public abstract class BufferDecoder
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	BufferDecoder.PrimitiveArrayRecurse

Field Summary

Fields

Modifier and Type	Field	Description
private final BufferPointer	sharedBuffer

Constructor Summary

Constructors

Constructor	Description
BufferDecoder(BufferPointer sharedBuffer)

Method Summary

Modifier and Type	Method	Description
protected abstract void	checkBuffer(int needBytes)	This should only be used when a small number of bytes is required (substantially smaller than bufferSize.
protected abstract int	eofCheck(EOFException e, int start, int index, int length)
protected int	read(boolean[] b, int start, int length)
protected int	read(byte[] buf, int offset, int len)
protected int	read(char[] c, int start, int length)
protected int	read(double[] d, int start, int length)
protected int	read(float[] f, int start, int length)
protected int	read(int[] i, int start, int length)
protected int	read(long[] l, int start, int length)
protected int	read(short[] s, int start, int length)
protected boolean	readBoolean()
protected char	readChar()
protected double	readDouble()
protected float	readFloat()
protected void	readFully(byte[] b, int off, int len)
protected int	readInt()
protected long	readLArray(Object o)
protected long	readLong()
protected short	readShort()
private int	readUncheckedInt()
private int	readUncheckedShort()

Methods inherited from class Object

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

Field Details

sharedBuffer

private final BufferPointer sharedBuffer

Constructor Details

BufferDecoder

public BufferDecoder(BufferPointer sharedBuffer)

Method Details

checkBuffer

protected abstract void checkBuffer(int needBytes)
                             throws IOException

This should only be used when a small number of bytes is required (substantially smaller than bufferSize.

Parameters:

needBytes - the number of bytes needed for the next operation.

Throws:

IOException - if the buffer could not be filled

eofCheck

protected abstract int eofCheck(EOFException e,
 int start,
 int index,
 int length)
                         throws EOFException

Throws:

EOFException

read

protected int read(boolean[] b,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(byte[] buf,
 int offset,
 int len)
            throws IOException

Throws:

IOException

read

protected int read(char[] c,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(double[] d,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(float[] f,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(int[] i,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(long[] l,
 int start,
 int length)
            throws IOException

Throws:

IOException

read

protected int read(short[] s,
 int start,
 int length)
            throws IOException

Throws:

IOException

readBoolean

protected boolean readBoolean()
                       throws IOException

Returns:

a boolean from the buffer

Throws:

IOException - if the underlying operation fails

readChar

protected char readChar()
                 throws IOException

Returns:

a char from the buffer

Throws:

IOException - if the underlying operation fails

readInt

protected int readInt()
               throws IOException

Returns:

an integer value from the buffer

Throws:

IOException - if the underlying operation fails

readLArray

protected long readLArray(Object o)
                   throws IOException

Throws:

IOException

readLong

protected long readLong()
                 throws IOException

Returns:

a long value from the buffer

Throws:

IOException - if the underlying operation fails

readDouble

protected double readDouble()
                     throws IOException

Throws:

IOException

readFloat

protected float readFloat()
                   throws IOException

Throws:

IOException

readFully

protected void readFully(byte[] b,
 int off,
 int len)
                  throws IOException

Throws:

IOException

readShort

protected short readShort()
                   throws IOException

Returns:

a short from the buffer

Throws:

IOException - if the underlying operation fails

readUncheckedInt

private int readUncheckedInt()

readUncheckedShort

private int readUncheckedShort()