#ifndef DOMErrorHandler_HEADER_GUARD_

#define DOMErrorHandler_HEADER_GUARD_

/*

 * 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 KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: DOMErrorHandler.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#include <xercesc/util/XercesDefs.hpp>

XERCES_CPP_NAMESPACE_BEGIN

class DOMError;

/**

  * Basic interface for DOM error handlers.

  *

  * <p>DOMErrorHandler is a callback interface that the DOM implementation

  * can call when reporting errors that happens while processing XML data, or

  * when doing some other processing (e.g. validating a document).</p>

  *

  * <p>The application that is using the DOM implementation is expected to

  * implement this interface.</p>

  *

  * @see DOMBuilder#setErrorHandler

  * @since DOM Level 3

  */

class CDOM_EXPORT DOMErrorHandler

{

protected:

    // -----------------------------------------------------------------------

    //  Hidden constructors

    // -----------------------------------------------------------------------

    /** @name Hidden constructors */

    //@{    

    DOMErrorHandler() {};

    //@}

private:

    // -----------------------------------------------------------------------

    // Unimplemented constructors and operators

    // -----------------------------------------------------------------------

    /** @name Unimplemented constructors and operators */

    //@{

    DOMErrorHandler(const DOMErrorHandler &);

    DOMErrorHandler & operator = (const DOMErrorHandler &);

    //@}

public:

    // -----------------------------------------------------------------------

    //  All constructors are hidden, just the destructor is available

    // -----------------------------------------------------------------------

    /** @name Destructor */

    //@{

    /**

     * Destructor

     *

     */

    virtual ~DOMErrorHandler() {};

    //@}

    // -----------------------------------------------------------------------

    //  Virtual DOMErrorHandler interface

    // -----------------------------------------------------------------------

    /** @name Functions introduced in DOM Level 3 */

    //@{

    /**

     * This method is called on the error handler when an error occures.

     *

     * <p><b>"Experimental - subject to change"</b></p>

     *

     * @param domError The error object that describes the error, this object

     *                 may be reused by the DOM implementation across multiple

     *                 calls to the handleEvent method.

     * @return If the handleError method returns <code>true</code> the DOM

     *         implementation should continue as if the error didn't happen

     *         when possible, if the method returns <code>false</code> then the

     *         DOM implementation should stop the current processing when

     *         possible.

     *

     * @since DOM Level 3

     */

    virtual bool handleError(const DOMError& domError) = 0;

    //@}

};

XERCES_CPP_NAMESPACE_END

#endif