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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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#ifndef _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_
#define _XMLEARCH_UTIL_RANDOMACCESSSTREAM_HXX_

#include <osl/file.hxx>

namespace xmlsearch {
	
	namespace util {
		
		
		class RandomAccessStream
		{
		public:

			virtual ~RandomAccessStream() { };
      
			// The calle is responsible for allocating the buffer
			virtual void seek( sal_Int32 ) = 0;
			virtual sal_Int32 readBytes( sal_Int8*,sal_Int32 ) = 0;
			virtual void writeBytes( sal_Int8*, sal_Int32 ) = 0;
			virtual sal_Int32 length() = 0;
			virtual void close() = 0;
      
      
		protected:
      
			enum OPENFLAG { Read = OpenFlag_Read,
							Write = OpenFlag_Write,
							Create = OpenFlag_Create };
      
		};

		
	}
}

#endif