Top Description Constructors Methods
org.springframework.jdbc.support.lob

public abstract Class AbstractLobHandler

extends Object
implements LobHandler
Class Inheritance
All Implemented Interfaces
org.springframework.jdbc.support.lob.LobHandler
Known Direct Subclasses
org.springframework.jdbc.support.lob.DefaultLobHandler
Imports
java.io.InputStream, .Reader, java.sql.ResultSet, .SQLException, org.springframework.lang.Nullable
Abstract base class for LobHandler implementations.

Implements all accessor methods for column names through a column lookup and delegating to the corresponding accessor that takes a column index.

Author
Juergen Hoeller
Since
1.2
See Also
java.sql.ResultSet#findColumn

Constructor Summary

AccessConstructor and Description
public
AbstractLobHandler()

Method Summary

Modifier and TypeMethod and Description
public InputStream
getBlobAsBinaryStream(ResultSet
the ResultSet to retrieve the content from
rs, String
the column name to use
columnName)

Implements org.springframework.jdbc.support.lob.LobHandler.getBlobAsBinaryStream.

Retrieve the given column as binary stream from the given ResultSet.
public byte[]
getBlobAsBytes(ResultSet
the ResultSet to retrieve the content from
rs, String
the column name to use
columnName)

Implements org.springframework.jdbc.support.lob.LobHandler.getBlobAsBytes.

Retrieve the given column as bytes from the given ResultSet.
public InputStream
getClobAsAsciiStream(ResultSet
the ResultSet to retrieve the content from
rs, String
the column name to use
columnName)

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsAsciiStream.

Retrieve the given column as ASCII stream from the given ResultSet.
public Reader
getClobAsCharacterStream(ResultSet
the ResultSet to retrieve the content from
rs, String
the column name to use
columnName)

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsCharacterStream.

Retrieve the given column as character stream from the given ResultSet.
public String
getClobAsString(ResultSet
the ResultSet to retrieve the content from
rs, String
the column name to use
columnName)

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsString.

Retrieve the given column as String from the given ResultSet.
Inherited from java.lang.Object:
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Constructor Detail

AbstractLobHandlerback to summary
public AbstractLobHandler()

Method Detail

getBlobAsBinaryStreamback to summary
public InputStream getBlobAsBinaryStream(ResultSet rs, String columnName) throws SQLException

Implements org.springframework.jdbc.support.lob.LobHandler.getBlobAsBinaryStream.

Doc from org.springframework.jdbc.support.lob.LobHandler.getBlobAsBinaryStream.

Retrieve the given column as binary stream from the given ResultSet. Might simply invoke ResultSet.getBinaryStream or work with ResultSet.getBlob, depending on the database and driver.

Parameters
rs:ResultSet

the ResultSet to retrieve the content from

columnName:String

the column name to use

Returns:InputStream

the content as binary stream, or null in case of SQL NULL

Annotations
@Override
@Nullable
Exceptions
SQLException:
if thrown by JDBC methods
getBlobAsBytesback to summary
public byte[] getBlobAsBytes(ResultSet rs, String columnName) throws SQLException

Implements org.springframework.jdbc.support.lob.LobHandler.getBlobAsBytes.

Doc from org.springframework.jdbc.support.lob.LobHandler.getBlobAsBytes.

Retrieve the given column as bytes from the given ResultSet. Might simply invoke ResultSet.getBytes or work with ResultSet.getBlob, depending on the database and driver.

Parameters
rs:ResultSet

the ResultSet to retrieve the content from

columnName:String

the column name to use

Returns:byte[]

the content as byte array, or null in case of SQL NULL

Annotations
@Override
@Nullable
Exceptions
SQLException:
if thrown by JDBC methods
getClobAsAsciiStreamback to summary
public InputStream getClobAsAsciiStream(ResultSet rs, String columnName) throws SQLException

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsAsciiStream.

Doc from org.springframework.jdbc.support.lob.LobHandler.getClobAsAsciiStream.

Retrieve the given column as ASCII stream from the given ResultSet. Might simply invoke ResultSet.getAsciiStream or work with ResultSet.getClob, depending on the database and driver.

Parameters
rs:ResultSet

the ResultSet to retrieve the content from

columnName:String

the column name to use

Returns:InputStream

the content as ASCII stream, or null in case of SQL NULL

Annotations
@Override
@Nullable
Exceptions
SQLException:
if thrown by JDBC methods
getClobAsCharacterStreamback to summary
public Reader getClobAsCharacterStream(ResultSet rs, String columnName) throws SQLException

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsCharacterStream.

Doc from org.springframework.jdbc.support.lob.LobHandler.getClobAsCharacterStream.

Retrieve the given column as character stream from the given ResultSet. Might simply invoke ResultSet.getCharacterStream or work with ResultSet.getClob, depending on the database and driver.

Parameters
rs:ResultSet

the ResultSet to retrieve the content from

columnName:String

the column name to use

Returns:Reader

the content as character stream

Annotations
@Override
Exceptions
SQLException:
if thrown by JDBC methods
getClobAsStringback to summary
public String getClobAsString(ResultSet rs, String columnName) throws SQLException

Implements org.springframework.jdbc.support.lob.LobHandler.getClobAsString.

Doc from org.springframework.jdbc.support.lob.LobHandler.getClobAsString.

Retrieve the given column as String from the given ResultSet. Might simply invoke ResultSet.getString or work with ResultSet.getClob, depending on the database and driver.

Parameters
rs:ResultSet

the ResultSet to retrieve the content from

columnName:String

the column name to use

Returns:String

the content as String, or null in case of SQL NULL

Annotations
@Override
@Nullable
Exceptions
SQLException:
if thrown by JDBC methods