ImageInputStreamImpl Class Reference

Inherits javax::imageio::stream::ImageInputStream.

Inherited by FileCacheImageInputStream, FileImageInputStream, ImageOutputStreamImpl, and MemoryCacheImageInputStream.

List of all members.

Public Member Functions
	ImageInputStreamImpl ()
void	setByteOrder (ByteOrder byteOrder)
ByteOrder	getByteOrder ()
abstract int	read () throws IOException
int	read (byte[] b) throws IOException
abstract int	read (byte[] b, int off, int len) throws IOException
void	readBytes (IIOByteBuffer buf, int len) throws IOException
boolean	readBoolean () throws IOException
	Reads a boolean from this stream.
byte	readByte () throws IOException
	Reads an 8-bit byte value from this stream.
int	readUnsignedByte () throws IOException
	Reads an unsigned 8-bit byte value from this stream and returns it as an int.
short	readShort () throws IOException
	Reads a 16-bit short value from this stream.
int	readUnsignedShort () throws IOException
	Reads a 16-bit unsigned short value from this stream and returns it as an int.
char	readChar () throws IOException
	Reads a 16-bit character value from this stream.
int	readInt () throws IOException
	Reads a 32-bit integer value from this stream.
long	readUnsignedInt () throws IOException
long	readLong () throws IOException
	Reads a 64-bit long value from this stream.
float	readFloat () throws IOException
	Reads a 32-bit float value from this stream.
double	readDouble () throws IOException
	Reads a 64-bit double value from this stream.
String	readLine () throws IOException
	Answers a String representing the next line of text available in this BufferedReader.
String	readUTF () throws IOException
	Reads a UTF format String from this Stream.
void	readFully (byte[] b, int off, int len) throws IOException
	Read bytes from this stream and stores them in byte array buffer starting at offset offset.
void	readFully (byte[] b) throws IOException
	Reads bytes from this stream into the byte array buffer.
void	readFully (short[] s, int off, int len) throws IOException
void	readFully (char[] c, int off, int len) throws IOException
void	readFully (int[] i, int off, int len) throws IOException
void	readFully (long[] l, int off, int len) throws IOException
void	readFully (float[] f, int off, int len) throws IOException
void	readFully (double[] d, int off, int len) throws IOException
long	getStreamPosition () throws IOException
int	getBitOffset () throws IOException
void	setBitOffset (int bitOffset) throws IOException
int	readBit () throws IOException
long	readBits (int numBits) throws IOException
long	length ()
int	skipBytes (int n) throws IOException
	Skips count number of bytes in this stream.
long	skipBytes (long n) throws IOException
void	seek (long pos) throws IOException
void	mark ()
void	reset () throws IOException
void	flushBefore (long pos) throws IOException
void	flush () throws IOException
long	getFlushedPosition ()
boolean	isCached ()
boolean	isCachedMemory ()
boolean	isCachedFile ()
void	close () throws IOException
Protected Member Functions
final void	checkClosed () throws IOException
void	finalize () throws Throwable
Protected Attributes
ByteOrder	byteOrder = ByteOrder.BIG_ENDIAN
long	streamPos = 0
long	flushedPos = 0
int	bitOffset = 0
Package Attributes
int	currentByte
Private Attributes
boolean	closed = false
final PositionStack	posStack = new PositionStack()
final byte[]	buff = new byte[8]
Classes
class	PositionStack

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Constructor & Destructor Documentation

ImageInputStreamImpl

(

)

---

Member Function Documentation

final void checkClosed

(

)

throws IOException [protected]

void setByteOrder

(

ByteOrder

byteOrder

)

Implements ImageInputStream.

ByteOrder getByteOrder

(

)

Implements ImageInputStream.

abstract int read

(

)

throws IOException [pure virtual]

Implements ImageInputStream.

Implemented in FileCacheImageInputStream, FileCacheImageOutputStream, FileImageInputStream, FileImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

int read

(

byte[]

b

)

throws IOException

Implements ImageInputStream.

abstract int read	(	byte[]	b,
		int	off,
		int	len
	)			throws IOException [pure virtual]

Implements ImageInputStream.

Implemented in FileCacheImageInputStream, FileCacheImageOutputStream, FileImageInputStream, FileImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

void readBytes	(	IIOByteBuffer	buf,
		int	len
	)			throws IOException

Implements ImageInputStream.

boolean readBoolean

(

)

throws IOException [virtual]

Reads a boolean from this stream.

Returns:

the next boolean value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeBoolean(boolean)

Implements ImageInputStream.

byte readByte

(

)

throws IOException [virtual]

Reads an 8-bit byte value from this stream.

Returns:

the next byte value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeByte(int)

Implements ImageInputStream.

int readUnsignedByte

(

)

throws IOException [virtual]

Reads an unsigned 8-bit byte value from this stream and returns it as an int.

Returns:

the next unsigned byte value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeByte(int)

Implements ImageInputStream.

short readShort

(

)

throws IOException [virtual]

Reads a 16-bit short value from this stream.

Returns:

the next short value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeShort(int)

Implements ImageInputStream.

int readUnsignedShort

(

)

throws IOException [virtual]

Reads a 16-bit unsigned short value from this stream and returns it as an int.

Returns:

the next unsigned short value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeShort(int)

Implements ImageInputStream.

char readChar

(

)

throws IOException [virtual]

Reads a 16-bit character value from this stream.

Returns:

the next char value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeChar(int)

Implements ImageInputStream.

int readInt

(

)

throws IOException [virtual]

Reads a 32-bit integer value from this stream.

Returns:

the next int value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeInt(int)

Implements ImageInputStream.

long readUnsignedInt

(

)

throws IOException

Implements ImageInputStream.

long readLong

(

)

throws IOException [virtual]

Reads a 64-bit long value from this stream.

Returns:

the next long value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeLong(long)

Implements ImageInputStream.

float readFloat

(

)

throws IOException [virtual]

Reads a 32-bit float value from this stream.

Returns:

the next float value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeFloat(float)

Implements ImageInputStream.

double readDouble

(

)

throws IOException [virtual]

Reads a 64-bit double value from this stream.

Returns:

the next double value from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeDouble(double)

Implements ImageInputStream.

String readLine

(

)

throws IOException [virtual]

Answers a String representing the next line of text available in this BufferedReader.

A line is represented by 0 or more characters followed by '
', '', "\n\r" or end of stream. The String does not include the newline sequence.

Returns:

the contents of the line or null if no characters were read before end of stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

Implements ImageInputStream.

String readUTF

(

)

throws IOException [virtual]

Reads a UTF format String from this Stream.

Returns:

the next UTF String from the source stream.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.writeUTF(java.lang.String)

Implements ImageInputStream.

void readFully	(	byte[]	buffer,
		int	offset,
		int	count
	)			throws IOException [virtual]

Read bytes from this stream and stores them in byte array buffer starting at offset offset.

This method blocks until count number of bytes have been read.

Parameters:

	buffer	the byte array in which to store the read bytes.
	offset	the offset in buffer to store the read bytes.
	count	the maximum number of bytes to store in buffer.

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.write(byte[])

DataOutput.write(byte[], int, int)

Implements ImageInputStream.

void readFully

(

byte[]

buffer

)

throws IOException [virtual]

Reads bytes from this stream into the byte array buffer.

This method will block until buffer.length number of bytes have been read.

Parameters:

buffer

the buffer to read bytes into

Exceptions:

IOException

If a problem occurs reading from this stream.

See also:

DataOutput.write(byte[])

DataOutput.write(byte[], int, int)

Implements ImageInputStream.

void readFully	(	short[]	s,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

void readFully	(	char[]	c,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

void readFully	(	int[]	i,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

void readFully	(	long[]	l,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

void readFully	(	float[]	f,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

void readFully	(	double[]	d,
		int	off,
		int	len
	)			throws IOException

Implements ImageInputStream.

long getStreamPosition

(

)

throws IOException

Implements ImageInputStream.

int getBitOffset

(

)

throws IOException

Implements ImageInputStream.

void setBitOffset

(

int

bitOffset

)

throws IOException

Implements ImageInputStream.

int readBit

(

)

throws IOException

Implements ImageInputStream.

long readBits

(

int

numBits

)

throws IOException

Implements ImageInputStream.

long length

(

)

Implements ImageInputStream.

Reimplemented in FileCacheImageOutputStream, FileImageInputStream, FileImageOutputStream, and MemoryCacheImageOutputStream.

int skipBytes

(

int

count

)

throws IOException [virtual]

Skips count number of bytes in this stream.

Subsequent read()'s will not return these bytes unless reset() is used.

Parameters:

count

the number of bytes to skip.

Returns:

the number of bytes actually skipped.

Exceptions:

IOException

If a problem occurs reading from this stream.

Implements ImageInputStream.

long skipBytes

(

long

n

)

throws IOException

Implements ImageInputStream.

void seek

(

long

pos

)

throws IOException

Implements ImageInputStream.

Reimplemented in FileCacheImageOutputStream, FileImageInputStream, and FileImageOutputStream.

void mark

(

)

Implements ImageInputStream.

void reset

(

)

throws IOException

Implements ImageInputStream.

void flushBefore

(

long

pos

)

throws IOException

Implements ImageInputStream.

Reimplemented in FileCacheImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

void flush

(

)

throws IOException

Implements ImageInputStream.

long getFlushedPosition

(

)

Implements ImageInputStream.

boolean isCached

(

)

Implements ImageInputStream.

Reimplemented in FileCacheImageInputStream, FileCacheImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

boolean isCachedMemory

(

)

Implements ImageInputStream.

Reimplemented in FileCacheImageInputStream, FileCacheImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

boolean isCachedFile

(

)

Implements ImageInputStream.

Reimplemented in FileCacheImageInputStream, FileCacheImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

void close

(

)

throws IOException

Implements ImageInputStream.

Reimplemented in FileCacheImageInputStream, FileCacheImageOutputStream, FileImageInputStream, FileImageOutputStream, MemoryCacheImageInputStream, and MemoryCacheImageOutputStream.

void finalize

(

)

throws Throwable [protected]

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Member Data Documentation

ByteOrder byteOrder = ByteOrder.BIG_ENDIAN [protected]

long streamPos = 0 [protected]

long flushedPos = 0 [protected]

int bitOffset = 0 [protected]

boolean closed = false [private]

final PositionStack posStack = new PositionStack() [private]

final byte [] buff = new byte[8] [private]

Reimplemented in ImageOutputStreamImpl.

int currentByte [package]