/*
* Copyright 2009-2012 The MyBatis Team
*
* 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.hx.rainbow.common.dao.handler;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class EnumTypeHandler<E extends Enum<E>> extends BaseTypeHandler<E> {
private Class<E> type;
public EnumTypeHandler(Class<E> type) {
this.type = type;
}
@Override
public void setNonNullParameter(PreparedStatement ps, int i, E parameter, JdbcType jdbcType) throws SQLException {
if (jdbcType == null) {
ps.setString(i, parameter.name());
} else {
ps.setObject(i, parameter.name(), jdbcType.TYPE_CODE);
}
}
@Override
public E getNullableResult(ResultSet rs, String columnName) throws SQLException {
String s = rs.getString(columnName);
return s == null ? null : Enum.valueOf(type, s);
}
@Override
public E getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
String s = rs.getString(columnIndex);
return s == null ? null : Enum.valueOf(type, s);
}
@Override
public E getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
String s = cs.getString(columnIndex);
return s == null ? null : Enum.valueOf(type, s);
}
}