/*
* 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.io.ByteArrayInputStream;
import java.io.InputStream;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.seasar.extension.jdbc.ValueType;
import org.seasar.extension.jdbc.util.BindVariableUtil;
/**
* Binary用の {@link ValueType}です。
*
* @author higa
*
*/
public class BinaryType extends AbstractValueType {
/**
* インスタンスを構築します。
*/
public BinaryType() {
super(Types.BINARY);
}
public Object getValue(ResultSet resultSet, int index) throws SQLException {
try {
return toByteArray(resultSet.getBlob(index));
} catch (SQLException e) {
return resultSet.getBytes(index);
}
}
public Object getValue(ResultSet resultSet, String columnName)
throws SQLException {
try {
return toByteArray(resultSet.getBlob(columnName));
} catch (SQLException e) {
return resultSet.getBytes(columnName);
}
}
public Object getValue(CallableStatement cs, int index) throws SQLException {
try {
return toByteArray(cs.getBlob(index));
} catch (SQLException e) {
return cs.getBytes(index);
}
}
public Object getValue(CallableStatement cs, String parameterName)
throws SQLException {
try {
return toByteArray(cs.getBlob(parameterName));
} catch (SQLException e) {
return cs.getBytes(parameterName);
}
}
private byte[] toByteArray(Blob blob) throws SQLException {
if (blob == null) {
return null;
}
long l = blob.length();
if (Integer.MAX_VALUE < l) {
throw new ArrayIndexOutOfBoundsException();
}
return blob.getBytes(1, (int) l);
}
public void bindValue(PreparedStatement ps, int index, Object value)
throws SQLException {
if (value == null) {
setNull(ps, index);
} else if (value instanceof byte[]) {
byte[] ba = (byte[]) value;
InputStream in = new ByteArrayInputStream(ba);
ps.setBinaryStream(index, in, ba.length);
} else {
ps.setObject(index, value);
}
}
public void bindValue(CallableStatement cs, String parameterName,
Object value) throws SQLException {
if (value == null) {
setNull(cs, parameterName);
} else if (value instanceof byte[]) {
byte[] ba = (byte[]) value;
InputStream in = new ByteArrayInputStream(ba);
cs.setBinaryStream(parameterName, in, ba.length);
} else {
cs.setObject(parameterName, value);
}
}
public String toText(Object value) {
if (value == null) {
return BindVariableUtil.nullText();
} else if (value instanceof byte[]) {
return BindVariableUtil.toText((byte[]) value);
}
return BindVariableUtil.toText(value);
}
}