Package org.red5.io.matroska.dtd

Class Tag

java.lang.Object

org.red5.io.matroska.dtd.Tag

Direct Known Subclasses:

BinaryTag, CompoundTag, FloatTag, SimpleBlock, StringTag, UnsignedIntegerTag

public abstract class Tag
extends Object

Base class for all webm tags

Constructor Summary

Constructors

Constructor	Description
Tag(String name, VINT id)	Constructor, internally calls Tag(String, VINT, VINT, InputStream) to create tag with 0 size
Tag(String name, VINT id, VINT size, InputStream inputStream)	Constructor

Method Summary

Modifier and Type	Method	Description
byte[]	encode()	method to encode Tag as sequence of bytes
long	getId()	getter for id
String	getName()	getter for name
long	getSize()	getter for size
void	parse()	method to parse tag from inner bytes array - data
abstract void	parse(InputStream inputStream)	method to read and to parse tag from inputStream given
protected abstract void	putValue(ByteBuffer bb)	method to store tag value to ByteBuffer given
void	readData(InputStream inputStream)	method to read tag data from inputStream given
String	toString()	method to get "pretty" represented Tag
int	totalSize()	method to get total size of this tag: "header" + "contents"

Methods inherited from class java.lang.Object

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

Constructor Detail

Tag

public Tag(String name,
           VINT id)
    throws IOException

Constructor, internally calls Tag(String, VINT, VINT, InputStream) to create tag with 0 size

Parameters:

name - - the name of tag to be created

id - - the id of tag to be created

Throws:

IOException - - in case of IO error

Tag

public Tag(String name,
           VINT id,
           VINT size,
           InputStream inputStream)
    throws IOException

Constructor

Parameters:

name - - the name of tag to be created

id - - the id of tag to be created

size - - the size of tag to be created

inputStream - - stream to read tag data from

Throws:

IOException - - in case of any IO errors

Method Detail

parse

public abstract void parse(InputStream inputStream)
                    throws IOException,
                           ConverterException

method to read and to parse tag from inputStream given

Parameters:

inputStream - - stream to parse tag data from

Throws:

IOException - - in case of any IO errors

ConverterException - - in case of any conversion errors

parse

public void parse()
           throws IOException,
                  ConverterException

method to parse tag from inner bytes array - data

Throws:

IOException - - in case of any IO errors

ConverterException - - in case of any conversion errors

readData

public void readData(InputStream inputStream)
              throws IOException

method to read tag data from inputStream given

Parameters:

inputStream - InputStream

Throws:

IOException - - in case of any IO errors

putValue

protected abstract void putValue(ByteBuffer bb)
                          throws IOException

method to store tag value to ByteBuffer given

Parameters:

bb - - ByteBuffer to store value

Throws:

IOException - - in case of any IO errors

getName

public String getName()

getter for name

Returns:

name of this Tag

getId

public long getId()

getter for id

Returns:

id of this Tag as binary value of correspondent VINT

getSize

public long getSize()

getter for size

Returns:

size of this Tag as value of correspondent VINT

totalSize

public int totalSize()

method to get total size of this tag: "header" + "contents"

Returns:

- total size as int

encode

public byte[] encode()
              throws IOException

method to encode Tag as sequence of bytes

Returns:

- encoded Tag

Throws:

IOException - - in case of any IO errors

toString

public String toString()

method to get "pretty" represented Tag

Overrides:

toString in class Object