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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
* 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,
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package org.apache.cayenne.crypto.transformer.bytes;
class HeaderEncryptor implements BytesEncryptor {
private BytesEncryptor delegate;
private Header header;
HeaderEncryptor(BytesEncryptor delegate, Header header) {
this.delegate = delegate;
this.header = header;
}
@Override
public byte[] encrypt(byte[] input, int outputOffset, byte[] flags) {
flags[0] = header.getFlags();
byte[] output = delegate.encrypt(input, outputOffset + header.size(), flags);
header.store(output, outputOffset, flags[0]);
return output;
}
}