mirror of git://gcc.gnu.org/git/gcc.git
101 lines
2.8 KiB
Java
101 lines
2.8 KiB
Java
/* LoopbackTransformer.java --
|
|
Copyright (C) 2003, 2006 Free Software Foundation, Inc.
|
|
|
|
This file is a part of GNU Classpath.
|
|
|
|
GNU Classpath is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or (at
|
|
your option) any later version.
|
|
|
|
GNU Classpath 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 for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GNU Classpath; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
|
|
USA
|
|
|
|
Linking this library statically or dynamically with other modules is
|
|
making a combined work based on this library. Thus, the terms and
|
|
conditions of the GNU General Public License cover the whole
|
|
combination.
|
|
|
|
As a special exception, the copyright holders of this library give you
|
|
permission to link this library with independent modules to produce an
|
|
executable, regardless of the license terms of these independent
|
|
modules, and to copy and distribute the resulting executable under
|
|
terms of your choice, provided that you also meet, for each linked
|
|
independent module, the terms and conditions of the license of that
|
|
module. An independent module is a module which is not derived from
|
|
or based on this library. If you modify this library, you may extend
|
|
this exception to your version of the library, but you are not
|
|
obligated to do so. If you do not wish to do so, delete this
|
|
exception statement from your version. */
|
|
|
|
|
|
package gnu.javax.crypto.assembly;
|
|
|
|
import java.util.Map;
|
|
|
|
/**
|
|
* A trivial {@link Transformer} to allow closing a chain in an {@link Assembly}.
|
|
* This class is not visible outside this package.
|
|
*/
|
|
final class LoopbackTransformer
|
|
extends Transformer
|
|
{
|
|
/** Trivial package-private constructor. */
|
|
LoopbackTransformer()
|
|
{
|
|
super();
|
|
}
|
|
|
|
public void init(Map attributes) throws TransformerException
|
|
{
|
|
}
|
|
|
|
public void reset()
|
|
{
|
|
}
|
|
|
|
public byte[] update(byte[] in, int offset, int length)
|
|
throws TransformerException
|
|
{
|
|
return updateDelegate(in, offset, length);
|
|
}
|
|
|
|
public byte[] lastUpdate() throws TransformerException
|
|
{
|
|
return lastUpdateDelegate();
|
|
}
|
|
|
|
void initDelegate(Map attributes) throws TransformerException
|
|
{
|
|
}
|
|
|
|
int delegateBlockSize()
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
void resetDelegate()
|
|
{
|
|
}
|
|
|
|
byte[] updateDelegate(byte[] in, int offset, int length)
|
|
throws TransformerException
|
|
{
|
|
byte[] result = new byte[length];
|
|
System.arraycopy(in, offset, result, 0, length);
|
|
return result;
|
|
}
|
|
|
|
byte[] lastUpdateDelegate() throws TransformerException
|
|
{
|
|
return new byte[0];
|
|
}
|
|
}
|