/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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.seasar.extension.jdbc.types;
import java.lang.reflect.Method;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.seasar.extension.jdbc.ValueType;
import org.seasar.framework.util.MethodUtil;
/**
* ユーザ定義型用の {@link ValueType}です。
*
* @author higa
*
*/
public class UserDefineType implements ValueType {
private ValueType baseValueType;
private Method valueOfMethod;
private Method valueMethod;
/**
* {@link UserDefineType}を作成します。
*
* @param baseValueType
* @param valueOfMethod
* @param valueMethod
*/
public UserDefineType(ValueType baseValueType, Method valueOfMethod,
Method valueMethod) {
this.baseValueType = baseValueType;
this.valueOfMethod = valueOfMethod;
this.valueMethod = valueMethod;
}
public Object getValue(ResultSet resultSet, int index) throws SQLException {
return fromDbToJava(baseValueType.getValue(resultSet, index));
}
public Object getValue(ResultSet resultSet, String columnName)
throws SQLException {
return fromDbToJava(baseValueType.getValue(resultSet, columnName));
}
public Object getValue(CallableStatement cs, int index) throws SQLException {
return fromDbToJava(baseValueType.getValue(cs, index));
}
public Object getValue(CallableStatement cs, String parameterName)
throws SQLException {
return fromDbToJava(baseValueType.getValue(cs, parameterName));
}
public void bindValue(PreparedStatement ps, int index, Object value)
throws SQLException {
baseValueType.bindValue(ps, index, fromJavaToDb(value));
}
public void bindValue(CallableStatement cs, String parameterName,
Object value) throws SQLException {
baseValueType.bindValue(cs, parameterName, fromJavaToDb(value));
}
public void registerOutParameter(CallableStatement cs, int index)
throws SQLException {
baseValueType.registerOutParameter(cs, index);
}
public void registerOutParameter(CallableStatement cs, String parameterName)
throws SQLException {
baseValueType.registerOutParameter(cs, parameterName);
}
private Object fromDbToJava(Object value) {
if (value == null) {
return null;
}
return MethodUtil.invoke(valueOfMethod, null, new Object[] { value });
}
private Object fromJavaToDb(Object value) {
if (value == null) {
return null;
}
return MethodUtil.invoke(valueMethod, value, null);
}
public String toText(Object value) {
return baseValueType.toText(fromJavaToDb(value));
}
public int getSqlType() {
return baseValueType.getSqlType();
}
}