| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hivetranse.transaction.ibatis; |
| 16 | |
| 17 | import java.sql.SQLException; |
| 18 | import java.sql.Types; |
| 19 | |
| 20 | import com.ibatis.sqlmap.client.extensions.ParameterSetter; |
| 21 | import com.ibatis.sqlmap.client.extensions.ResultGetter; |
| 22 | import com.ibatis.sqlmap.client.extensions.TypeHandlerCallback; |
| 23 | |
| 24 | public abstract class AbstractEnumTypeHandler implements TypeHandlerCallback |
| 25 | { |
| 26 | protected AbstractEnumTypeHandler(Class enumClass) |
| 27 | { |
| 28 | _enums = enumClass.getEnumConstants(); |
| 29 | } |
| 30 | |
| 31 | public Object getResult(ResultGetter getter) |
| 32 | throws SQLException |
| 33 | { |
| 34 | int value = getter.getInt(); |
| 35 | if (getter.wasNull()) |
| 36 | { |
| 37 | return null; |
| 38 | } |
| 39 | return _enums[value]; |
| 40 | } |
| 41 | |
| 42 | public void setParameter(ParameterSetter setter, Object parameter) |
| 43 | throws SQLException |
| 44 | { |
| 45 | if (parameter == null) |
| 46 | { |
| 47 | setter.setNull(Types.INTEGER); |
| 48 | } |
| 49 | else |
| 50 | { |
| 51 | Enum value = (Enum) parameter; |
| 52 | setter.setInt(value.ordinal()); |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | public Object valueOf(String s) |
| 57 | { |
| 58 | return s; |
| 59 | } |
| 60 | |
| 61 | final private Object[] _enums; |
| 62 | } |