org.springframework.jdbc.support.lob
Class OracleLobHandler.OracleLobCreator

java.lang.Object
  org.springframework.jdbc.support.lob.OracleLobHandler.OracleLobCreator

All Implemented Interfaces:

LobCreator

Enclosing class:

OracleLobHandler

protected class OracleLobHandler.OracleLobCreator
extends Object
implements LobCreator

LobCreator implementation for Oracle databases. Creates Oracle-style temporary BLOBs and CLOBs that it frees on close.

See Also:

close()

Constructor Summary

protected

OracleLobHandler.OracleLobCreator()

Method Summary

void	close() Free all temporary BLOBs and CLOBs created by this creator.
protected Object	createLob(PreparedStatement ps, boolean clob, OracleLobHandler.LobCallback callback) Create a LOB instance for the given PreparedStatement, populating it via the given callback.
protected Connection	getOracleConnection(PreparedStatement ps) Retrieve the underlying OracleConnection, using a NativeJdbcExtractor if set.
protected Object	prepareLob(Connection con, Class lobClass) Create and open an oracle.sql.BLOB/CLOB instance via reflection.
void	setBlobAsBinaryStream(PreparedStatement ps, int paramIndex, InputStream binaryStream, int contentLength) Set the given content as binary stream on the given statement, using the given parameter index.
void	setBlobAsBytes(PreparedStatement ps, int paramIndex, byte[] content) Set the given content as bytes on the given statement, using the given parameter index.
void	setClobAsAsciiStream(PreparedStatement ps, int paramIndex, InputStream asciiStream, int contentLength) Set the given content as ASCII stream on the given statement, using the given parameter index.
void	setClobAsCharacterStream(PreparedStatement ps, int paramIndex, Reader characterStream, int contentLength) Set the given content as character stream on the given statement, using the given parameter index.
void	setClobAsString(PreparedStatement ps, int paramIndex, String content) Set the given content as String on the given statement, using the given parameter index.

Methods inherited from class java.lang.Object

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

Constructor Detail

OracleLobHandler.OracleLobCreator

protected OracleLobHandler.OracleLobCreator()

Method Detail

setBlobAsBytes

public void setBlobAsBytes(PreparedStatement ps,
                           int paramIndex,
                           byte[] content)
                    throws SQLException

Description copied from interface: LobCreator

Set the given content as bytes on the given statement, using the given parameter index. Might simply invoke PreparedStatement.setBytes or create a Blob instance for it, depending on the database and driver.

Specified by:

setBlobAsBytes in interface LobCreator

Parameters:

ps - the PreparedStatement to the set the content on

paramIndex - the parameter index to use

content - the content as byte array, or null for SQL NULL

Throws:

SQLException - if thrown by JDBC methods

See Also:

PreparedStatement.setBytes(int, byte[])

setBlobAsBinaryStream

public void setBlobAsBinaryStream(PreparedStatement ps,
                                  int paramIndex,
                                  InputStream binaryStream,
                                  int contentLength)
                           throws SQLException

Description copied from interface: LobCreator

Set the given content as binary stream on the given statement, using the given parameter index. Might simply invoke PreparedStatement.setBinaryStream or create a Blob instance for it, depending on the database and driver.

Specified by:

setBlobAsBinaryStream in interface LobCreator

Parameters:

ps - the PreparedStatement to the set the content on

paramIndex - the parameter index to use

binaryStream - the content as binary stream, or null for SQL NULL

Throws:

SQLException - if thrown by JDBC methods

See Also:

PreparedStatement.setBinaryStream(int, java.io.InputStream, int)

setClobAsString

public void setClobAsString(PreparedStatement ps,
                            int paramIndex,
                            String content)
                     throws SQLException

Description copied from interface: LobCreator

Set the given content as String on the given statement, using the given parameter index. Might simply invoke PreparedStatement.setString or create a Clob instance for it, depending on the database and driver.

Specified by:

setClobAsString in interface LobCreator

Parameters:

ps - the PreparedStatement to the set the content on

paramIndex - the parameter index to use

content - the content as String, or null for SQL NULL

Throws:

SQLException - if thrown by JDBC methods

See Also:

PreparedStatement.setBytes(int, byte[])

setClobAsAsciiStream

public void setClobAsAsciiStream(PreparedStatement ps,
                                 int paramIndex,
                                 InputStream asciiStream,
                                 int contentLength)
                          throws SQLException

Description copied from interface: LobCreator

Set the given content as ASCII stream on the given statement, using the given parameter index. Might simply invoke PreparedStatement.setAsciiStream or create a Clob instance for it, depending on the database and driver.

Specified by:

setClobAsAsciiStream in interface LobCreator

Parameters:

ps - the PreparedStatement to the set the content on

paramIndex - the parameter index to use

asciiStream - the content as ASCII stream, or null for SQL NULL

Throws:

SQLException - if thrown by JDBC methods

See Also:

PreparedStatement.setAsciiStream(int, java.io.InputStream, int)

setClobAsCharacterStream

public void setClobAsCharacterStream(PreparedStatement ps,
                                     int paramIndex,
                                     Reader characterStream,
                                     int contentLength)
                              throws SQLException

Description copied from interface: LobCreator

Set the given content as character stream on the given statement, using the given parameter index. Might simply invoke PreparedStatement.setCharacterStream or create a Clob instance for it, depending on the database and driver.

Specified by:

setClobAsCharacterStream in interface LobCreator

Parameters:

ps - the PreparedStatement to the set the content on

paramIndex - the parameter index to use

characterStream - the content as character stream, or null for SQL NULL

Throws:

SQLException - if thrown by JDBC methods

See Also:

PreparedStatement.setCharacterStream(int, java.io.Reader, int)

createLob

protected Object createLob(PreparedStatement ps,
                           boolean clob,
                           OracleLobHandler.LobCallback callback)
                    throws SQLException

Create a LOB instance for the given PreparedStatement, populating it via the given callback.

Throws:

SQLException

getOracleConnection

protected Connection getOracleConnection(PreparedStatement ps)
                                  throws SQLException,
                                         ClassNotFoundException

Retrieve the underlying OracleConnection, using a NativeJdbcExtractor if set.

Throws:

SQLException

ClassNotFoundException

prepareLob

protected Object prepareLob(Connection con,
                            Class lobClass)
                     throws Exception

Create and open an oracle.sql.BLOB/CLOB instance via reflection.

Throws:

Exception

close

public void close()

Free all temporary BLOBs and CLOBs created by this creator.

Specified by:

close in interface LobCreator