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/*
* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import javax.crypto.Cipher;
import javax.crypto.CipherInputStream;
import javax.crypto.CipherOutputStream;
/**
* ReadModel provides different way to test
* CipherInputStream.read()/read(byte[])/read(byte[], int, int) and
* CipherOutputStream.write(int)/write(byte[], int, int)/read(byte[]) API
*/
enum ReadModel {
READ_BYTE {
@Override
public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
Cipher ciIn, int inputLen) throws IOException {
int buffer0 = cInput.read();
while (buffer0 != -1) {
ciOutput.write(buffer0);
buffer0 = cInput.read();
}
}
},
READ_BUFFER {
@Override
public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
Cipher ciIn, int inputLen) throws IOException {
byte[] buffer1 = new byte[20];
int len1;
while ((len1 = cInput.read(buffer1)) != -1) {
ciOutput.write(buffer1, 0, len1);
}
}
},
READ_BUFFER_OFFSET {
@Override
public void read(CipherInputStream cInput, CipherOutputStream ciOutput,
Cipher ciIn, int inputLen) throws IOException {
byte[] buffer2 = new byte[ciIn.getOutputSize(inputLen)];
int offset2 = 0;
int len2 = 0;
while (len2 != -1) {
len2 = cInput.read(buffer2, offset2, buffer2.length - offset2);
offset2 += len2;
}
ciOutput.write(buffer2);
}
};
abstract public void read(CipherInputStream cInput,
CipherOutputStream ciOutput, Cipher ciIn, int inputLen)
throws IOException;
}
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