Package org.firebirdsql.gds

Class ClumpletReader

java.lang.Object

org.firebirdsql.gds.ClumpletReader

public class ClumpletReader
extends java.lang.Object

Reader for clumplets, similar to the implementation ClumpletReader.cpp.

Since:

3.0

Author:

Mark Rotteveel

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ClumpletReader.ClumpletType
static class	ClumpletReader.Kind

Constructor Summary

Constructors

Constructor	Description
ClumpletReader(ClumpletReader.Kind kind, byte[] buffer)

Method Summary

Modifier and Type	Method	Description
void	adjustSpbState()
boolean	directNext(int tag)	Checks if the next tag in this reader is tag.
boolean	find(int tag)
int	getBufferTag()
byte[]	getBytes()
int	getClumpLength()
int	getClumpletSize(boolean wTag, boolean wLength, boolean wData)
ClumpletReader.ClumpletType	getClumpletType(byte tag)
int	getClumpTag()
int	getInt()
long	getLong()
java.lang.String	getString(java.nio.charset.Charset charset)
java.lang.String	getString(Encoding encoding)
boolean	isEof()
boolean	isTagged()
void	moveNext()
boolean	next(int tag)	Finds the next tag in the reader, skipping tags to find it.
void	rewind()

Methods inherited from class java.lang.Object

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

Constructor Detail

ClumpletReader

public ClumpletReader(ClumpletReader.Kind kind,
                      byte[] buffer)

Method Detail

isTagged

public boolean isTagged()

getBufferTag

public int getBufferTag()
                 throws java.sql.SQLException

Throws:

java.sql.SQLException

getClumpletType

public ClumpletReader.ClumpletType getClumpletType(byte tag)
                                            throws java.sql.SQLException

Throws:

java.sql.SQLException

adjustSpbState

public void adjustSpbState()
                    throws java.sql.SQLException

Throws:

java.sql.SQLException

getClumpletSize

public int getClumpletSize(boolean wTag,
                           boolean wLength,
                           boolean wData)
                    throws java.sql.SQLException

Throws:

java.sql.SQLException

moveNext

public void moveNext()
              throws java.sql.SQLException

Throws:

java.sql.SQLException

rewind

public void rewind()
            throws java.sql.SQLException

Throws:

java.sql.SQLException

find

public boolean find(int tag)
             throws java.sql.SQLException

Throws:

java.sql.SQLException

next

public boolean next(int tag)
             throws java.sql.SQLException

Finds the next tag in the reader, skipping tags to find it.

If tag is not found, the original position of this reader is retained.

Parameters:

tag - Tag to find

Returns:

true if tag was found and this reader is positioned to read it, false otherwise

Throws:

java.sql.SQLException - For errors positioning

See Also:

directNext(int)

directNext

public boolean directNext(int tag)
                   throws java.sql.SQLException

Checks if the next tag in this reader is tag.

If the next tag is not tag, the original position of this reader is retained.

Parameters:

tag - Tag to find

Returns:

true if the next tag is tag and this reader is positioned to read it, false otherwise

Throws:

java.sql.SQLException - For errors positioning

Since:

5

See Also:

next(int)

getClumpTag

public int getClumpTag()
                throws java.sql.SQLException

Throws:

java.sql.SQLException

getClumpLength

public int getClumpLength()
                   throws java.sql.SQLException

Throws:

java.sql.SQLException

getBytes

public byte[] getBytes()
                throws java.sql.SQLException

Throws:

java.sql.SQLException

getInt

public int getInt()
           throws java.sql.SQLException

Throws:

java.sql.SQLException

getLong

public long getLong()
             throws java.sql.SQLException

Throws:

java.sql.SQLException

getString

public java.lang.String getString(Encoding encoding)
                           throws java.sql.SQLException

Throws:

java.sql.SQLException

getString

public java.lang.String getString(java.nio.charset.Charset charset)
                           throws java.sql.SQLException

Throws:

java.sql.SQLException

isEof

public boolean isEof()