com.informix.jdbc

Class IfxBlob

java.lang.Object

com.informix.jdbc.IfxObject

com.informix.jdbc.IfxBlob

public class IfxBlob
extends IfxObject

Support for Blob datatypes. This class derived from IfxObject class.

See Also:

IfxObject

Field Summary

Fields

Modifier and Type	Field and Description
protected static short	BLOB_TYPE_BYTES
protected static short	BLOB_TYPE_STREAM
protected byte[]	blobBuffer
protected byte[]	blobDesc
protected java.io.InputStream	BlobInputStream
protected static short	BLOBISNULL
protected short	blobType
protected short	ifxType
protected boolean	isBlob_loaded
protected int	tb_end
protected short	tb_flags
protected int	tb_size
protected int	tb_start
protected IfxTmpFile	tempBlobFile

Fields inherited from class com.informix.jdbc.IfxObject

conn, encodedLength, extendedID, extendedName, extendedOwner, isNull, jdbcType, sourceType, trace, typeMap, used_in_update

Constructor Summary

Constructors

Constructor and Description
IfxBlob(byte[] blobBuffer) IfxBlob() constructor will be called from setAsciiStream() method It takes two parameters.
IfxBlob(java.io.InputStream fin, int length) IfxBlob() constructor will be called from setAsciiStream() method It takes two parameters.

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the instance states
protected void	finalize()
void	fromAsciiStream(java.io.InputStream fin, int length) Accepts the Input Stream data and make ready for sending to it to server.
void	fromAsciiStream(java.io.InputStream fin, long length)
void	fromBinaryStream(java.io.InputStream fin, int length) Accepts the Input Stream data and make ready for sending to it to server.
void	fromBlob(java.sql.Blob blob) Accepts the blob object and make ready for sending to it to server.
void	fromBytes(byte[] blobBuffer) Accepts the byte array data and make ready for sending to it to server.
void	fromCharacterStream(java.io.Reader x, int length) Accepts the Reader data and make ready for sending to it to server.
void	fromCharacterStream(java.io.Reader x, long length)
void	fromClob(java.sql.Clob clob) Accepts the clob object and make ready for sending to it to server.
void	fromIfx(byte[] b) Set value of this data type to the given Informix network format
void	fromIfx(byte[] b, int offset, int size) Set value of this data type to the given Informix network format
void	fromInputStream(java.io.InputStream fin, int length)
void	fromInputStream(java.io.InputStream fin, long length)
void	fromString(java.lang.String S) Accepts the String data and make ready for sending to it to server.
protected byte[]	getBlobBuffer()
protected java.lang.String	getBlobFileName()
protected java.io.InputStream	getBlobInputStream()
protected int	getBlobLength()
protected short	getBlobType()
protected boolean	isBlobByteType()
protected boolean	isBlobLoaded()
protected boolean	isIfxTextType()
protected void	setBlobBuffer(byte[] buffer)
protected void	setBlobFileName()
protected void	setBlobLength(int size)
protected void	setBlobLength(int size, int start, int end)
protected void	setLoaded()
java.io.InputStream	toAsciiStream() Return the fetched blob data as an Input Stream.
java.io.InputStream	toBinaryStream() Return the fetched blob data as an Input Stream.
java.sql.Blob	toBlob()
byte[]	toBytes() Return the fetched blob data as byte array.
java.io.Reader	toCharacterStream()
java.sql.Clob	toClob()
byte[]	toIfx() Convert value to Informix network format
byte[]	toIfxTuple() Convert value to Informix tuple format
java.lang.Object	toObject() Return the blob Object as byte array.
java.lang.String	toString() Return the fetched blob data as String.

Methods inherited from class com.informix.jdbc.IfxObject

clearWarning, equals, fromBinaryStream, fromBoolean, fromBoolean, fromByte, fromByte, fromDate, fromDecimal, fromDecimal, fromDouble, fromDouble, fromFloat, fromFloat, fromIfx, fromIfx, fromIfx, fromIfx, fromInt, fromInt, fromIntervalDF, fromIntervalYM, fromLong, fromLong, fromNClob, fromObject, fromObject, fromObject, fromRowId, fromShort, fromShort, fromSQLXML, fromString, fromTime, fromTimestamp, get_used_in_update, getEncodedLength, getWarning, isNull, nullify, set_used_in_update, setConnection, setExtendedTypeName, setIfxType, setTypeMap, toBoolean, toByte, toDate, toDecimal, toDouble, toFloat, toIfxBSONObject, toInputStream, toInt, toInterval, toIntervalDF, toIntervalYM, toLong, toNClob, toObject, toRowId, toShort, toSQLXML, toTime, toTimestamp, toUnloadString, unnullify

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

BLOBISNULL

protected static final short BLOBISNULL

See Also:

Constant Field Values

BLOB_TYPE_BYTES

protected static final short BLOB_TYPE_BYTES

See Also:

Constant Field Values

BLOB_TYPE_STREAM

protected static final short BLOB_TYPE_STREAM

See Also:

Constant Field Values

blobDesc

protected byte[] blobDesc

tb_start

protected int tb_start

tb_end

protected int tb_end

tb_size

protected int tb_size

tb_flags

protected short tb_flags

BlobInputStream

protected java.io.InputStream BlobInputStream

tempBlobFile

protected IfxTmpFile tempBlobFile

blobBuffer

protected byte[] blobBuffer

blobType

protected short blobType

isBlob_loaded

protected boolean isBlob_loaded

ifxType

protected short ifxType

Constructor Detail

IfxBlob

public IfxBlob(java.io.InputStream fin,
               int length)
        throws java.sql.SQLException

IfxBlob() constructor will be called from setAsciiStream() method It takes two parameters. param1 InputStream ; param2 the length of blob data. throws SQLException.

Throws:

java.sql.SQLException

IfxBlob

public IfxBlob(byte[] blobBuffer)
        throws java.sql.SQLException

IfxBlob() constructor will be called from setAsciiStream() method It takes two parameters. param1 byte[] ; throws SQLException.

Throws:

java.sql.SQLException

Method Detail

getBlobType

protected short getBlobType()

isBlobByteType

protected boolean isBlobByteType()

isIfxTextType

protected boolean isIfxTextType()

getBlobBuffer

protected byte[] getBlobBuffer()

setBlobBuffer

protected void setBlobBuffer(byte[] buffer)

getBlobLength

protected int getBlobLength()

setBlobLength

protected void setBlobLength(int size,
                             int start,
                             int end)

setBlobLength

protected void setBlobLength(int size)

getBlobInputStream

protected java.io.InputStream getBlobInputStream()

getBlobFileName

protected java.lang.String getBlobFileName()

setBlobFileName

protected void setBlobFileName()

isBlobLoaded

protected boolean isBlobLoaded()

setLoaded

protected void setLoaded()

fromIfx

public void fromIfx(byte[] b)
             throws java.sql.SQLException

Set value of this data type to the given Informix network format

Overrides:

fromIfx in class IfxObject

Parameters:

b - a byte array representation of this data type in Informix network format.

Throws:

java.sql.SQLException

fromIfx

public void fromIfx(byte[] b,
                    int offset,
                    int size)
             throws java.sql.SQLException

Set value of this data type to the given Informix network format

Overrides:

fromIfx in class IfxObject

Parameters:

b - a byte array representation of this data type in Informix network format.

offset - offset into the byte array where the blob data starts

size - size of blob data

Throws:

java.sql.SQLException

toIfx

public byte[] toIfx()

Convert value to Informix network format

Overrides:

toIfx in class IfxObject

Returns:

a byte array representation of this data type in Informix network format.

toIfxTuple

public byte[] toIfxTuple()

Convert value to Informix tuple format

Overrides:

toIfxTuple in class IfxObject

Returns:

a byte array representation of this data type in Informix tuple format.

toAsciiStream

public java.io.InputStream toAsciiStream()
                                  throws java.sql.SQLException

Return the fetched blob data as an Input Stream.

Overrides:

toAsciiStream in class IfxObject

Returns:

InputStream.

Throws:

java.sql.SQLException

fromInputStream

public void fromInputStream(java.io.InputStream fin,
                            long length)
                     throws java.sql.SQLException

Overrides:

fromInputStream in class IfxObject

Throws:

java.sql.SQLException

fromInputStream

public void fromInputStream(java.io.InputStream fin,
                            int length)
                     throws java.sql.SQLException

Overrides:

fromInputStream in class IfxObject

Throws:

java.sql.SQLException

fromCharacterStream

public void fromCharacterStream(java.io.Reader x,
                                long length)
                         throws java.sql.SQLException

Overrides:

fromCharacterStream in class IfxObject

Throws:

java.sql.SQLException

fromCharacterStream

public void fromCharacterStream(java.io.Reader x,
                                int length)
                         throws java.sql.SQLException

Accepts the Reader data and make ready for sending to it to server.

Overrides:

fromCharacterStream in class IfxObject

Throws:

java.sql.SQLException

toCharacterStream

public java.io.Reader toCharacterStream()
                                 throws java.sql.SQLException

Overrides:

toCharacterStream in class IfxObject

Throws:

java.sql.SQLException

fromAsciiStream

public void fromAsciiStream(java.io.InputStream fin,
                            long length)
                     throws java.sql.SQLException

Overrides:

fromAsciiStream in class IfxObject

Throws:

java.sql.SQLException

fromAsciiStream

public void fromAsciiStream(java.io.InputStream fin,
                            int length)
                     throws java.sql.SQLException

Accepts the Input Stream data and make ready for sending to it to server.

Overrides:

fromAsciiStream in class IfxObject

Throws:

java.sql.SQLException

toBinaryStream

public java.io.InputStream toBinaryStream()
                                   throws java.sql.SQLException

Return the fetched blob data as an Input Stream.

Overrides:

toBinaryStream in class IfxObject

Returns:

InputStream.

Throws:

java.sql.SQLException

fromBinaryStream

public void fromBinaryStream(java.io.InputStream fin,
                             int length)
                      throws java.sql.SQLException

Accepts the Input Stream data and make ready for sending to it to server.

Overrides:

fromBinaryStream in class IfxObject

Throws:

java.sql.SQLException

toString

public java.lang.String toString()

Return the fetched blob data as String.

Overrides:

toString in class IfxObject

Returns:

String.

fromString

public void fromString(java.lang.String S)
                throws java.sql.SQLException

Accepts the String data and make ready for sending to it to server.

Overrides:

fromString in class IfxObject

Throws:

java.sql.SQLException

toObject

public java.lang.Object toObject()
                          throws java.sql.SQLException

Return the blob Object as byte array.

Overrides:

toObject in class IfxObject

Returns:

byte[].

Throws:

java.sql.SQLException

toBytes

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

Return the fetched blob data as byte array.

Overrides:

toBytes in class IfxObject

Returns:

byte array.

Throws:

java.sql.SQLException

fromBytes

public void fromBytes(byte[] blobBuffer)

Accepts the byte array data and make ready for sending to it to server.

Overrides:

fromBytes in class IfxObject

toBlob

public java.sql.Blob toBlob()
                     throws java.sql.SQLException

Overrides:

toBlob in class IfxObject

Throws:

java.sql.SQLException

toClob

public java.sql.Clob toClob()
                     throws java.sql.SQLException

Overrides:

toClob in class IfxObject

Throws:

java.sql.SQLException

fromBlob

public void fromBlob(java.sql.Blob blob)
              throws java.sql.SQLException

Accepts the blob object and make ready for sending to it to server.

Overrides:

fromBlob in class IfxObject

Throws:

java.sql.SQLException - if invalid parameters

fromClob

public void fromClob(java.sql.Clob clob)
              throws java.sql.SQLException

Accepts the clob object and make ready for sending to it to server.

Overrides:

fromClob in class IfxObject

Throws:

java.sql.SQLException - if invalid parameters

clear

public void clear()

Description copied from class: IfxObject

Clear the instance states

Overrides:

clear in class IfxObject

finalize

protected void finalize()

Overrides:

finalize in class java.lang.Object