DSIGTransform.hpp

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/*
 * Copyright 2002-2005 The Apache Software Foundation.
 *
 * Licensed 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 KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * XSEC
 *
 * DSIGTransform := Base (virtual) class that defines a DSIG Transform
 *
 * Author(s): Berin Lautenbach
 *
 * $Id: DSIGTransform.hpp,v 1.11 2005/06/04 11:30:25 blautenb Exp $
 *
 */

#ifndef DSIGTRANSFORM_INCLUDE
#define DSIGTRANSFORM_INCLUDE

#include <xsec/dsig/DSIGConstants.hpp>
#include <xsec/framework/XSECDefs.hpp>

XSEC_DECLARE_XERCES_CLASS(DOMNode);
XSEC_DECLARE_XERCES_CLASS(DOMElement);
XSEC_DECLARE_XERCES_CLASS(DOMDocument);

#include <stdio.h>

class XSECEnv;
class TXFMChain;

class DSIG_EXPORT DSIGTransform {

public:

    
    DSIGTransform(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * node) : 
          mp_txfmNode(node),
          mp_env(env) {};

    DSIGTransform(const XSECEnv * env) : 
          mp_txfmNode(NULL),
          mp_env(env) {};

          
    virtual ~DSIGTransform() {};
    


    virtual transformType getTransformType() = 0;
    
    virtual void appendTransformer(TXFMChain * input) = 0;

    virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * 
        createBlankTransform(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * parentDoc) = 0;

    virtual void load(void) = 0;


protected:


    XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * createTransformNode();


    XERCES_CPP_NAMESPACE_QUALIFIER DOMNode                  
                            * mp_txfmNode;          // The node that we read from
    const XSECEnv           * mp_env;   // Owning signature

private:

    DSIGTransform();
    DSIGTransform(const DSIGTransform &theOther);

};



#endif /* #define DSIGTRANSFORM_INCLUDE */

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