| /* |
| * Copyright (c) 2000, 2003, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package com.sun.corba.se.impl.encoding; |
| |
| import java.nio.ByteBuffer; |
| import com.sun.corba.se.spi.orb.ORB; |
| import com.sun.corba.se.spi.logging.CORBALogDomains; |
| import com.sun.corba.se.impl.protocol.giopmsgheaders.FragmentMessage; |
| import com.sun.corba.se.impl.protocol.giopmsgheaders.Message; |
| import com.sun.corba.se.impl.logging.ORBUtilSystemException; |
| |
| public class BufferManagerReadGrow |
| implements BufferManagerRead, MarkAndResetHandler |
| { |
| // REVISIT - This should go in an abstract class called |
| // BufferManagerReadBase which should implement |
| // BufferManagerRead. Then, this class should extend |
| // BufferManagerReadBase. |
| private ORB orb ; |
| |
| private ORBUtilSystemException wrapper ; |
| |
| BufferManagerReadGrow( ORB orb ) |
| { |
| this.orb = orb ; |
| this.wrapper = ORBUtilSystemException.get( orb, |
| CORBALogDomains.RPC_ENCODING ) ; |
| } |
| |
| public void processFragment (ByteBuffer byteBuffer, FragmentMessage header) |
| { |
| // REVISIT - should we consider throwing an exception similar to what's |
| // done for underflow()??? |
| } |
| |
| public void init(Message msg) {} |
| |
| public ByteBufferWithInfo underflow (ByteBufferWithInfo bbwi) |
| { |
| throw wrapper.unexpectedEof() ; |
| } |
| |
| public void cancelProcessing(int requestId) {} |
| |
| // Mark and reset handler ------------------------- |
| |
| private Object streamMemento; |
| private RestorableInputStream inputStream; |
| private boolean markEngaged = false; |
| |
| public MarkAndResetHandler getMarkAndResetHandler() { |
| return this; |
| } |
| |
| public void mark(RestorableInputStream is) { |
| markEngaged = true; |
| inputStream = is; |
| streamMemento = inputStream.createStreamMemento(); |
| } |
| |
| // This will never happen |
| public void fragmentationOccured(ByteBufferWithInfo newFragment) {} |
| |
| public void reset() { |
| |
| if (!markEngaged) |
| return; |
| |
| markEngaged = false; |
| inputStream.restoreInternalState(streamMemento); |
| streamMemento = null; |
| } |
| |
| // Nothing to close and cleanup. |
| public void close(ByteBufferWithInfo bbwi) {} |
| } |