TXFMURL.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
 *
 * TXFMURL := Class that takes an input URL to start of a transform pipe
 *
 * $Id: TXFMURL.hpp,v 1.11 2005/02/03 13:50:12 milan Exp $
 *
 */

#include <xsec/transformers/TXFMBase.hpp>
#include <xsec/framework/XSECURIResolver.hpp>

// Xerces

#include <xercesc/util/BinInputStream.hpp>

class DSIG_EXPORT TXFMURL : public TXFMBase {

private:

    XSECURIResolver         * mp_resolver;  // Resolver passed in
    XERCES_CPP_NAMESPACE_QUALIFIER BinInputStream           
                            * is;       // To handle the actual input

    bool                    done;


public:

    TXFMURL(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc, XSECURIResolver * resolver);
    ~TXFMURL();

    // Methods to set the inputs

    virtual void setInput(TXFMBase *newInput);
    void setInput(const XMLCh * URL);
    void setInput(XERCES_CPP_NAMESPACE_QUALIFIER BinInputStream * inputStream);

    // Methods to get tranform output type and input requirement

    virtual TXFMBase::ioType getInputType(void);
    virtual TXFMBase::ioType getOutputType(void);
    virtual nodeType getNodeType(void);

    // Methods to get output data

    virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
    virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *getDocument();
    virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *getFragmentNode();
    virtual const XMLCh * getFragmentId();
    
private :
    TXFMURL();
};

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