com.aparapi.internal.reader

Class ByteReader

java.lang.Object

com.aparapi.internal.reader.ByteReader

public class ByteReader
extends Object

Primarily used to parse various ClassFile structures. This class provides low level access to sequential bytes in a stream given stream.

Basically wraps a ByteBuffer and keeps track of the current offset. All requests on this ByteReader will be delegated to wrappedByteBuffer.

Author:

gfrost

See Also:

ByteBuffer

Constructor Summary

Constructors

Constructor and Description
ByteReader(byte[] _bytes) Construct form an array of bytes.
ByteReader(ByteBuffer _byteBuffer) Construct form a given ByteBuffer.
ByteReader(InputStream _inputStream) Construct form an input stream (say a ClassFile).

Method Summary

Modifier and Type	Method and Description
byte[]	bytes(int _length)
double	d8()
float	f4()
int	getOffset()
boolean	hasMore()
int	peekU2()
int	s2()
int	s4()
void	setOffset(int _offset)
void	skip(int _length)
int	u1()
int	u2()
int	u4()
long	u8()
String	utf8()

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteReader

public ByteReader(ByteBuffer _byteBuffer)

Construct form a given ByteBuffer.

Parameters:

_byteBuffer - an existing ByteBuffer

ByteReader

public ByteReader(byte[] _bytes)

Construct form an array of bytes.

Parameters:

_bytes - an existing byte array

ByteReader

public ByteReader(InputStream _inputStream)

Construct form an input stream (say a ClassFile).

Parameters:

_inputStream - a stream of bytes

Method Detail

u1

public int u1()

u2

public int u2()

s2

public int s2()

peekU2

public int peekU2()

u4

public int u4()

s4

public int s4()

u8

public long u8()

f4

public float f4()

d8

public double d8()

utf8

public String utf8()

bytes

public byte[] bytes(int _length)

skip

public void skip(int _length)

getOffset

public int getOffset()

setOffset

public void setOffset(int _offset)

hasMore

public boolean hasMore()