pt.tumba.parser.swf
Class OutStream

java.lang.Object
  pt.tumba.parser.swf.OutStream

public class OutStream
extends java.lang.Object

Output Stream Wrapper

Author:

unknown

Field Summary

protected int	bitBuf Description of the Field
protected int	bitPos Description of the Field
protected long	bytesWritten Description of the Field
protected java.io.OutputStream	out Description of the Field

Constructor Summary

OutStream(java.io.OutputStream out)
Constructor for the OutStream object

Method Summary

void	close() Description of the Method
static int	determineSignedBitSize(int value) Determine the minimum number of bits required to hold the given signed value
static int	determineUnsignedBitSize(long value) Determine the minimum number of bits required to hold the given unsigned value (may be zero)
void	flush() Description of the Method
void	flushBits() Flush the bit buffer to the output stream and reset values
static boolean	getBit(int bitNum, long value) Get the given bit (where lowest bit is numbered 1)
long	getBytesWritten() Gets the bytesWritten attribute of the OutStream object
static int	getStringLength(byte[] string) Calculate the byte length of a string as it would be written to the output stream
static int	getStringLength(java.lang.String string) Calculate the byte length of a string as it would be written to the output stream using the default character encoding
protected void	initBits() Reset the bit buffer
static int	setBit(int bitNum, int value) Set the given bit (where lowest bit is numbered 1)
void	setBytesWritten(long written) Sets the bytesWritten attribute of the OutStream object
static byte[]	sintTo2Bytes(int value) Util to convert a signed int to 2 bytes
static byte[]	uintTo2Bytes(int value) Util to convert an unsigned int to 2 bytes
static byte[]	uintTo4Bytes(int value) Util to convert an unsigned int to 4 bytes
static byte	uintToByte(int value2) Util to convert an unsigned int to an unsigned byte
void	write(byte[] bytes) Write the given bytes to the output stream
void	write(byte[] bytes, int start, int length) Write the given bytes to the output stream
void	writeDouble(double value) Write a double value
void	writeFloat(float value) Write a float value
void	writeSBits(int numBits, int value) Write a signed value to the output stream in the given number of bits.
void	writeSI16(short value) Write a 16 bit signed value to the out stream
void	writeSI32(int value) Write a 32 bit signed value
void	writeString(byte[] string) Write a string to the output stream and add terminating null
void	writeString(java.lang.String s2) Write a string to the output stream using the default encoding and add terminating null
void	writeUBits(int numBits, long value) Write an unsigned value to the output stream in the given number of bits
void	writeUI16(int value) Write a 16 bit unsigned value to the out stream
void	writeUI32(long value) Write a 32 bit unsigned value to the out stream
void	writeUI8(int value) Write an 8 bit unsigned value to the out stream

Methods inherited from class java.lang.Object

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

Field Detail

out

protected java.io.OutputStream out

Description of the Field

bytesWritten

protected long bytesWritten

Description of the Field

bitBuf

protected int bitBuf

Description of the Field

bitPos

protected int bitPos

Description of the Field

Constructor Detail

OutStream

public OutStream(java.io.OutputStream out)

Constructor for the OutStream object

Parameters:

out - Description of the Parameter

Method Detail

getBytesWritten

public long getBytesWritten()

Gets the bytesWritten attribute of the OutStream object

Returns:

The bytesWritten value

setBytesWritten

public void setBytesWritten(long written)

Sets the bytesWritten attribute of the OutStream object

Parameters:

written - The new bytesWritten value

writeSBits

public void writeSBits(int numBits,
                       int value)
                throws java.io.IOException

Write a signed value to the output stream in the given number of bits. The value must actually fit in that number of bits or it will be garbled

Parameters:

numBits - Description of the Parameter

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

flush

public void flush()
           throws java.io.IOException

Description of the Method

Throws:

java.io.IOException - Description of the Exception

close

public void close()
           throws java.io.IOException

Description of the Method

Throws:

java.io.IOException - Description of the Exception

flushBits

public void flushBits()
               throws java.io.IOException

Flush the bit buffer to the output stream and reset values

Throws:

java.io.IOException - Description of the Exception

writeUBits

public void writeUBits(int numBits,
                       long value)
                throws java.io.IOException

Write an unsigned value to the output stream in the given number of bits

Parameters:

numBits - Description of the Parameter

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

getBit

public static boolean getBit(int bitNum,
                             long value)

Get the given bit (where lowest bit is numbered 1)

Parameters:

bitNum - Description of the Parameter

value - Description of the Parameter

Returns:

The bit value

setBit

public static int setBit(int bitNum,
                         int value)

Set the given bit (where lowest bit is numbered 1)

Parameters:

bitNum - The new bit value

value - The new bit value

Returns:

Description of the Return Value

write

public void write(byte[] bytes)
           throws java.io.IOException

Write the given bytes to the output stream

Parameters:

bytes - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

write

public void write(byte[] bytes,
                  int start,
                  int length)
           throws java.io.IOException

Write the given bytes to the output stream

Parameters:

bytes - Description of the Parameter

start - Description of the Parameter

length - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeUI8

public void writeUI8(int value)
              throws java.io.IOException

Write an 8 bit unsigned value to the out stream

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeUI16

public void writeUI16(int value)
               throws java.io.IOException

Write a 16 bit unsigned value to the out stream

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeSI16

public void writeSI16(short value)
               throws java.io.IOException

Write a 16 bit signed value to the out stream

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeUI32

public void writeUI32(long value)
               throws java.io.IOException

Write a 32 bit unsigned value to the out stream

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeString

public void writeString(java.lang.String s2)
                 throws java.io.IOException

Write a string to the output stream using the default encoding and add terminating null

Parameters:

s - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeString

public void writeString(byte[] string)
                 throws java.io.IOException

Write a string to the output stream and add terminating null

Parameters:

string - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

getStringLength

public static int getStringLength(byte[] string)

Calculate the byte length of a string as it would be written to the output stream

Parameters:

string - Description of the Parameter

Returns:

The stringLength value

getStringLength

public static int getStringLength(java.lang.String string)

Calculate the byte length of a string as it would be written to the output stream using the default character encoding

Parameters:

string - Description of the Parameter

Returns:

The stringLength value

initBits

protected void initBits()

Reset the bit buffer

determineSignedBitSize

public static int determineSignedBitSize(int value)

Determine the minimum number of bits required to hold the given signed value

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value

determineUnsignedBitSize

public static int determineUnsignedBitSize(long value)

Determine the minimum number of bits required to hold the given unsigned value (may be zero)

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value

writeFloat

public void writeFloat(float value)
                throws java.io.IOException

Write a float value

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeDouble

public void writeDouble(double value)
                 throws java.io.IOException

Write a double value

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

writeSI32

public void writeSI32(int value)
               throws java.io.IOException

Write a 32 bit signed value

Parameters:

value - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

sintTo2Bytes

public static byte[] sintTo2Bytes(int value)

Util to convert a signed int to 2 bytes

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value

uintTo2Bytes

public static byte[] uintTo2Bytes(int value)

Util to convert an unsigned int to 2 bytes

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value

uintTo4Bytes

public static byte[] uintTo4Bytes(int value)

Util to convert an unsigned int to 4 bytes

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value

uintToByte

public static byte uintToByte(int value2)

Util to convert an unsigned int to an unsigned byte

Parameters:

value - Description of the Parameter

Returns:

Description of the Return Value