/* * Copyright 2002-2005 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.orm.ibatis.support; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import org.springframework.jdbc.support.lob.LobCreator; import org.springframework.jdbc.support.lob.LobHandler; /** * iBATIS TypeHandler implementation for byte arrays that get mapped to BLOBs. * Retrieves the LobHandler to use from SqlMapClientFactoryBean at config time. * *
Can also be defined in generic iBATIS mappings, as DefaultLobCreator will * work with most JDBC-compliant database drivers. In this case, the field type * does not have to be BLOB: For databases like MySQL and MS SQL Server, any * large enough binary type will work. * * @author Juergen Hoeller * @since 1.1.5 * @see org.springframework.orm.ibatis.SqlMapClientFactoryBean#setLobHandler */ public class BlobByteArrayTypeHandler extends AbstractLobTypeHandler { /** * Constructor used by iBATIS: fetches config-time LobHandler from * SqlMapClientFactoryBean. * @see org.springframework.orm.ibatis.SqlMapClientFactoryBean#getConfigTimeLobHandler */ public BlobByteArrayTypeHandler() { super(); } /** * Constructor used for testing: takes an explicit LobHandler. */ protected BlobByteArrayTypeHandler(LobHandler lobHandler) { super(lobHandler); } protected void setParameterInternal( PreparedStatement ps, int index, Object value, String jdbcType, LobCreator lobCreator) throws SQLException { lobCreator.setBlobAsBytes(ps, index, (byte[]) value); } protected Object getResultInternal(ResultSet rs, int index, LobHandler lobHandler) throws SQLException { return lobHandler.getBlobAsBytes(rs, index); } public Object valueOf(String s) { return s.getBytes(); } }