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diff --git a/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/assembly/CascadeTransformer.java b/gcc-4.4.3/libjava/classpath/gnu/javax/crypto/assembly/CascadeTransformer.java
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+/* CascadeTransformer.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.security.InvalidKeyException;
+import java.util.Map;
+
+/**
+ * An Adapter to use any {@link Cascade} as a {@link Transformer} in an
+ * {@link Assembly}.
+ */
+class CascadeTransformer
+ extends Transformer
+{
+ private Cascade delegate;
+
+ private int blockSize;
+
+ CascadeTransformer(Cascade delegate)
+ {
+ super();
+
+ this.delegate = delegate;
+ }
+
+ void initDelegate(Map attributes) throws TransformerException
+ {
+ attributes.put(Cascade.DIRECTION, wired);
+ try
+ {
+ delegate.init(attributes);
+ }
+ catch (InvalidKeyException x)
+ {
+ throw new TransformerException("initDelegate()", x);
+ }
+ blockSize = delegate.currentBlockSize();
+ }
+
+ int delegateBlockSize()
+ {
+ return blockSize;
+ }
+
+ void resetDelegate()
+ {
+ delegate.reset();
+ blockSize = 0;
+ }
+
+ byte[] updateDelegate(byte[] in, int offset, int length)
+ throws TransformerException
+ {
+ byte[] result = updateInternal(in, offset, length);
+ return result;
+ }
+
+ byte[] lastUpdateDelegate() throws TransformerException
+ {
+ if (inBuffer.size() != 0)
+ {
+ IllegalStateException cause = new IllegalStateException(
+ "Cascade transformer, after last update, must be empty but isn't");
+ throw new TransformerException("lastUpdateDelegate()", cause);
+ }
+ return new byte[0];
+ }
+
+ private byte[] updateInternal(byte[] in, int offset, int length)
+ {
+ byte[] result;
+ for (int i = 0; i < length; i++)
+ {
+ inBuffer.write(in[offset++] & 0xFF);
+ if (inBuffer.size() >= blockSize)
+ {
+ result = inBuffer.toByteArray();
+ inBuffer.reset();
+ delegate.update(result, 0, result, 0);
+ outBuffer.write(result, 0, blockSize);
+ }
+ }
+ result = outBuffer.toByteArray();
+ outBuffer.reset();
+ return result;
+ }
+}