com.speedment.runtime.typemapper.largeobject.BlobToByteArrayMapper Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
The newest version!
/*
*
* Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
*
* 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 com.speedment.runtime.typemapper.largeobject;
import com.speedment.runtime.config.Column;
import com.speedment.runtime.typemapper.TypeMapper;
import com.speedment.runtime.typemapper.exception.SpeedmentTypeMapperException;
import javax.sql.rowset.serial.SerialBlob;
import java.lang.reflect.Type;
import java.sql.Blob;
import java.sql.SQLException;
public final class BlobToByteArrayMapper implements TypeMapper {
@Override
public String getLabel() {
return "Blob to byte Array";
}
@Override
public Type getJavaType(Column column) {
return byte[].class;
}
@Override
public byte[] toJavaType(Column column, Class entityType, Blob value) {
if (value == null) {
return null;
} else try {
if (value.length() < Integer.MAX_VALUE) {
return value.getBytes(1, (int) value.length());
} else {
throw new SpeedmentTypeMapperException(
"The provided Clob contains too many characters >" + Integer.MAX_VALUE
);
}
} catch (final SQLException sqle) {
throw new SpeedmentTypeMapperException("Unable to convert Blob to byte[].", sqle);
}
}
@Override
public Blob toDatabaseType(byte[] value) {
if (value == null) {
return null;
}
try {
return new SerialBlob(value);
} catch (SQLException e) {
throw new RuntimeException(e);
}
}
}