org.red5.io.matroska

Class ParserUtils

java.lang.Object

org.red5.io.matroska.ParserUtils

public class ParserUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	BIT_IN_BYTE

Constructor Summary

Constructors

Constructor and Description
ParserUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	getBytes(long val, long size) method to encode long as byte array of given size
static byte[]	parseBinary(InputStream inputStream, int size) method to parse byte array
static double	parseFloat(InputStream inputStream, int size) method used to parse float and double
static long	parseInteger(InputStream inputStream, int size) method used to parse : int, uint and date
static ArrayList<Tag>	parseMasterElement(InputStream inputStream, int size) method used to parse subelements of CompoundTag
static String	parseString(InputStream inputStream, int size) method used to parse string
static Tag	parseTag(InputStream inputStream) parsing tag by matroska specification matroska spec tag = VINT id, VINT size, data
static VINT	readVINT(InputStream inputStream) method to parse VINT
static void	skip(long size, InputStream input) method to skip given amount of bytes in stream

Methods inherited from class java.lang.Object

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

Field Detail

BIT_IN_BYTE

public static final int BIT_IN_BYTE

See Also:

Constant Field Values

Constructor Detail

ParserUtils

public ParserUtils()

Method Detail

parseInteger

public static long parseInteger(InputStream inputStream,
                                int size)
                         throws IOException

method used to parse : int, uint and date

Parameters:

inputStream - - stream to get value

size - - size of the value in bytes

Returns:

- parsed value as long

Throws:

IOException - - in case of IO error

parseString

public static String parseString(InputStream inputStream,
                                 int size)
                          throws IOException

method used to parse string

Parameters:

inputStream - - stream to get value

size - - size of the value in bytes

Returns:

- parsed value as String

Throws:

IOException - - in case of IO error

parseFloat

public static double parseFloat(InputStream inputStream,
                                int size)
                         throws IOException

method used to parse float and double

Parameters:

inputStream - - stream to get value

size - - size of the value in bytes

Returns:

- parsed value as double

Throws:

IOException - - in case of IO error

parseMasterElement

public static ArrayList<Tag> parseMasterElement(InputStream inputStream,
                                                int size)
                                         throws IOException,
                                                ConverterException

method used to parse subelements of CompoundTag

Parameters:

inputStream - - stream to get value

size - - size of the value in bytes

Returns:

- parsed tag

Throws:

IOException - - in case of IO error

ConverterException - - in case of any conversion exception

parseBinary

public static byte[] parseBinary(InputStream inputStream,
                                 int size)
                          throws IOException

method to parse byte array

Parameters:

inputStream - - stream to get value

size - - size of the value in bytes

Returns:

- parsed value as array of bytes

Throws:

IOException - - in case of IO error

readVINT

public static VINT readVINT(InputStream inputStream)
                     throws IOException

method to parse VINT

Parameters:

inputStream - - stream to get value

Returns:

- parsed value

Throws:

IOException - - in case of IO error

parseTag

public static Tag parseTag(InputStream inputStream)
                    throws IOException,
                           ConverterException

parsing tag by matroska specification matroska spec tag = VINT id, VINT size, data

Parameters:

inputStream - - stream to get value

Returns:

tag, without parsing tag data, because it delegate to an tag itself

Throws:

IOException - - in case of IO error

ConverterException - - in case of any conversion exception

getBytes

public static byte[] getBytes(long val,
                              long size)

method to encode long as byte array of given size

Parameters:

val - - value to encode

size - - size

Returns:

- byte array

skip

public static void skip(long size,
                        InputStream input)
                 throws IOException

method to skip given amount of bytes in stream

Parameters:

size - - size to skip

input - - input stream to process

Throws:

IOException - - in case of IO error