/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cayenne.access.types;
import org.apache.cayenne.util.IDUtil;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
/**
* Handles <code>java.lang.Byte</code> type mapping. Can be configured to recast
* java.lang.Byte to java.lang.Integer when binding values to PreparedStatement. This is a
* workaround for bugs in certain drivers. Drivers that are proven to have issues with
* byte values are Sybase and Oracle (Mac OS X only).
*
* @since 1.0.3
*/
public class ByteType implements ExtendedType<Byte> {
protected boolean widenBytes;
public ByteType(boolean widenBytes) {
this.widenBytes = widenBytes;
}
@Override
public String getClassName() {
return Byte.class.getName();
}
@Override
public Byte materializeObject(ResultSet rs, int index, int type) throws Exception {
byte b = rs.getByte(index);
return (rs.wasNull()) ? null : b;
}
@Override
public Byte materializeObject(CallableStatement st, int index, int type) throws Exception {
byte b = st.getByte(index);
return (st.wasNull()) ? null : b;
}
@Override
public void setJdbcObject(
PreparedStatement statement,
Byte value,
int pos,
int type,
int precision) throws Exception {
if (value == null) {
statement.setNull(pos, type);
} else {
if (widenBytes) {
statement.setInt(pos, value.intValue());
} else {
statement.setByte(pos, value);
}
}
}
@Override
public String toString(Byte value) {
if (value == null) {
return "NULL";
}
StringBuilder buffer = new StringBuilder();
IDUtil.appendFormattedByte(buffer, value);
return buffer.toString();
}
}