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TXFMEnvelope.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
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00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "<WebSig>" and "Apache Software Foundation" must
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00031  *
00032  * 5. Products derived from this software may not be called "Apache",
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00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
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00052  * originally based on software copyright (c) 2001, Institute for
00053  * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
00054  * The development of this software was partly funded by the European 
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00058  */
00059 
00060 /*
00061  * XSEC
00062  *
00063  * TXFMEnvelope := Class that calculates an Envelope with an XPath evaluator
00064  *
00065  * Author(s): Berin Lautenbach
00066  *
00067  * $Id: TXFMEnvelope.hpp,v 1.5 2003/07/05 10:30:36 blautenb Exp $
00068  *
00069  */
00070 
00071 #include <xsec/transformers/TXFMBase.hpp>
00072 #include <xsec/utils/XSECSafeBuffer.hpp>
00073 #include <xsec/canon/XSECC14n20010315.hpp>
00074 #include <xsec/utils/XSECSafeBufferFormatter.hpp>
00075 
00076 // Xerces
00077 
00078 #include <xercesc/dom/DOM.hpp>
00079 
00085 class DSIG_EXPORT TXFMEnvelope : public TXFMBase {
00086 
00087 private:
00088 
00089     DOMDocument     * mp_document;
00090     DOMNode         * mp_startNode;
00091 
00092 public:
00093 
00094     TXFMEnvelope(DOMDocument *doc);
00095     ~TXFMEnvelope();
00096 
00097     // Methods to set the inputs
00098 
00099     void setInput(TXFMBase *newInput);
00100     
00101     // Methods to get tranform output type and input requirement
00102 
00103     virtual TXFMBase::ioType getInputType(void);
00104     virtual TXFMBase::ioType getOutputType(void);
00105     virtual TXFMBase::nodeType getNodeType(void);
00106 
00107     // Envelope unique
00108 
00109     void evaluateEnvelope(DOMNode *t);
00110 
00111     // Methods to get output data
00112 
00113     virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
00114     virtual DOMDocument *getDocument();
00115     virtual DOMNode *getFragmentNode();
00116     virtual const XMLCh * getFragmentId();
00117     virtual XSECXPathNodeList   & getXPathNodeList();
00118 private:
00119     TXFMEnvelope();
00120 };
00121 

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