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* 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
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*
* 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
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package org.apache.cayenne.crypto.transformer;
import org.apache.cayenne.access.translator.DbAttributeBinding;
import org.apache.cayenne.access.types.ExtendedType;
import org.apache.cayenne.access.types.ExtendedTypeMap;
import org.apache.cayenne.crypto.transformer.bytes.BytesEncryptor;
import org.apache.cayenne.crypto.transformer.value.ValueEncryptor;
/**
* @since 4.0
*/
public class DefaultBindingsTransformer implements BindingsTransformer {
private int[] positions;
private ValueEncryptor[] transformers;
private BytesEncryptor encryptor;
private ExtendedTypeMap extendedTypeMap;
public DefaultBindingsTransformer(int[] positions,
ValueEncryptor[] transformers,
BytesEncryptor encryptor,
ExtendedTypeMap extendedTypeMap) {
this.positions = positions;
this.transformers = transformers;
this.encryptor = encryptor;
this.extendedTypeMap = extendedTypeMap;
}
@Override
public void transform(DbAttributeBinding[] bindings) {
int len = positions.length;
for (int i = 0; i < len; i++) {
DbAttributeBinding b = bindings[positions[i]];
Object transformed = transformers[i].encrypt(encryptor, b.getValue());
b.setValue(transformed);
ExtendedType extendedType = transformed != null
? extendedTypeMap.getRegisteredType(transformed.getClass())
: extendedTypeMap.getDefaultType();
b.setExtendedType(extendedType);
}
}
}