00001 /* 00002 * WrapperStreamFactory.hpp 00003 * 00004 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved. 00005 * 00006 * Oracle is a registered trademarks of Oracle Corporation and/or its 00007 * affiliates. 00008 * 00009 * This software is the confidential and proprietary information of Oracle 00010 * Corporation. You shall not disclose such confidential and proprietary 00011 * information and shall use it only in accordance with the terms of the 00012 * license agreement you entered into with Oracle. 00013 * 00014 * This notice may not be removed or altered. 00015 */ 00016 #ifndef COH_WRAPPER_STREAM_FACTORY_HPP 00017 #define COH_WRAPPER_STREAM_FACTORY_HPP 00018 00019 #include "coherence/lang.ns" 00020 00021 #include "coherence/io/ReadBuffer.hpp" 00022 #include "coherence/io/WriteBuffer.hpp" 00023 00024 COH_OPEN_NAMESPACE2(coherence,io) 00025 00026 00027 /** 00028 * Provides the means to wrap an BufferInput and BufferOutput, such that 00029 * functionality such as compression and encryption can be implemented 00030 * in a layered, pluggable fashion. 00031 * 00032 * @author nsa 2008.04.07 00033 */ 00034 class COH_EXPORT WrapperStreamFactory 00035 : public interface_spec<WrapperStreamFactory> 00036 { 00037 // ----- WrapperStreamFactory interface --------------------------------- 00038 00039 public: 00040 /** 00041 * Requests an InputStream that wraps the passed InputStream. 00042 * 00043 * @param hIn the coherence::io::ReadBuffer::BufferInput to be 00044 * wrapped 00045 * 00046 * @return a BufferInput that delegates to ("wraps") the passed 00047 * BufferInput 00048 */ 00049 virtual ReadBuffer::BufferInput::Handle getInputStream( 00050 ReadBuffer::BufferInput::Handle hIn) const = 0; 00051 00052 /** 00053 * Requests an OutputStream that wraps the passed OutputStream. 00054 * 00055 * @param hOut the coherence::io::WriteBuffer::BufferOutput to be 00056 * wrapped 00057 * 00058 * @return a BufferOutput that delegates to ("wraps") the passed 00059 * BufferOutput 00060 */ 00061 virtual WriteBuffer::BufferOutput::Handle getOutputStream( 00062 WriteBuffer::BufferOutput::Handle hOut) const = 0; 00063 }; 00064 00065 COH_CLOSE_NAMESPACE2 00066 00067 #endif // COH_WRAPPER_STREAM_FACTORY_HPP