/*
* 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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