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# XMLNetAccessor.hpp

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    00001 /*
    00002  * The Apache Software License, Version 1.1
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    00004  * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
    00005  * reserved.
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    00007  * Redistribution and use in source and binary forms, with or without
    00008  * modification, are permitted provided that the following conditions
    00009  * are met:
    00010  *
    00011  * 1. Redistributions of source code must retain the above copyright
    00012  *    notice, this list of conditions and the following disclaimer.
    00013  *
    00014  * 2. Redistributions in binary form must reproduce the above copyright
    00015  *    notice, this list of conditions and the following disclaimer in
    00016  *    the documentation and/or other materials provided with the
    00017  *    distribution.
    00018  *
    00019  * 3. The end-user documentation included with the redistribution,
    00020  *    if any, must include the following acknowledgment:
    00021  *       "This product includes software developed by the
    00022  *        Apache Software Foundation (http://www.apache.org/)."
    00023  *    Alternately, this acknowledgment may appear in the software itself,
    00024  *    if and wherever such third-party acknowledgments normally appear.
    00025  *
    00026  * 4. The names "Xerces" and "Apache Software Foundation" must
    00027  *    not be used to endorse or promote products derived from this
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    00031  * 5. Products derived from this software may not be called "Apache",
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    00035  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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    00037  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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    00045  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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    00047  * ====================================================================
    00048  *
    00049  * This software consists of voluntary contributions made by many
    00050  * individuals on behalf of the Apache Software Foundation, and was
    00051  * originally based on software copyright (c) 1999, International
    00052  * Business Machines, Inc., http://www.ibm.com .  For more information
    00053  * on the Apache Software Foundation, please see
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    00055  */
    00056
    00057 /*
    00058  * $Id: XMLNetAccessor.hpp,v 1.5 2003/05/15 19:07:46 knoaman Exp $
    00059  */
    00060
    00061 #if !defined(XMLNETACCESSOR_HPP)
    00062 #define XMLNETACCESSOR_HPP
    00063
    00064 #include <xercesc/util/XMLURL.hpp>
    00065 #include <xercesc/util/XMLException.hpp>
    00066
    00067 XERCES_CPP_NAMESPACE_BEGIN
    00068
    00069 class BinInputStream;
    00070
    00071
    00072
    00073 //
    00074 //  This class is an abstract interface via which the URL class accesses
    00075 //  net access services. When any source URL is not in effect a local file
    00076 //  path, then the URL class is used to look at it. Then the URL class can
    00077 //  be asked to make a binary input stream via which the referenced resource
    00078 //  can be read in.
    00079 //
    00080 //  The URL class will use an object derived from this class to create a
    00081 //  binary stream for the URL to return. The object it uses is provided by
    00082 //  the platform utils, and is actually provided by the per-platform init
    00083 //  code so each platform can decide what actual implementation it wants to
    00084 //  use.
    00085 //
    00086 class  XMLNetAccessor : public XMemory
    00087 {
    00088 public :
    00089     // -----------------------------------------------------------------------
    00090     //  Virtual destructor
    00091     // -----------------------------------------------------------------------
    00092     virtual ~XMLNetAccessor()
    00093     {
    00094     }
    00095
    00096
    00097     // -----------------------------------------------------------------------
    00098     //  The virtual net accessor interface
    00099     // -----------------------------------------------------------------------
    00100     virtual const XMLCh* getId() const = 0;
    00101
    00102     virtual BinInputStream* makeNew
    00103     (
    00104         const   XMLURL&                 urlSrc
    00105     ) = 0;
    00106
    00107
    00108 protected :
    00109     // -----------------------------------------------------------------------
    00110     //  Hidden constructors
    00111     // -----------------------------------------------------------------------
    00112     XMLNetAccessor()
    00113     {
    00114     }
    00115
    00116
    00117 private :
    00118     // -----------------------------------------------------------------------
    00119     //  Unimplemented constructors and operators
    00120     // -----------------------------------------------------------------------
    00121     XMLNetAccessor(const XMLNetAccessor&);
    00122     XMLNetAccessor& operator=(const XMLNetAccessor&);
    00123 };
    00124
    00125 MakeXMLException(NetAccessorException, )
    00126
    00127 XERCES_CPP_NAMESPACE_END
    00128
    00129 #endif

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