// -*- mode:C++; tab-width:2; c-basic-offset:2; indent-tabs-mode:nil -*-
//
// Copyright (C) 2000-2005 by Roger Rene Kommer / artefaktur, Kassel, Germany.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License (LGPL).
//
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// License ACDK-FreeLicense document enclosed in the distribution
// for more for more details.
// This file is part of the Artefaktur Component Development Kit:
// ACDK
//
// Please refer to
// - http://www.acdk.de
// - http://www.artefaktur.com
// - http://acdk.sourceforge.net
// for more information.
//
// $Header: /cvsroot/acdk/acdk/acdk_xml/src/org/xml/sax/SAXParseException.h,v 1.14 2005/02/05 10:45:38 kommer Exp $
// Documentation written by David Megginson
// NO WARRANTY! This class documentation is in the Public Domain.
#ifndef org_xml_sax_SAXParseException_h
#define org_xml_sax_SAXParseException_h
#include "SAXException.h"
#include "Locator.h"
namespace org {
namespace xml {
namespace sax {
ACDK_DECL_THROWABLE(SAXParseException, SAXException);
/**
* Encapsulate an XML parse error or warning.
*
* <blockquote>
* <em>This module, both source code and documentation, is in the
* Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
* See <a href='http://www.saxproject.org'>http://www.saxproject.org</a>
* for further information.
* </blockquote>
*
* <p>This exception may include information for locating the error
* in the original XML document, as if it came from a {@link Locator}
* object. Note that although the application
* will receive a SAXParseException as the argument to the handlers
* in the {@link org.xml.sax.ErrorHandler ErrorHandler} interface,
* the application is not actually required to throw the exception;
* instead, it can simply read the information in it and take a
* different action.</p>
*
* <p>Since this exception is a subclass of {@link org.xml.sax.SAXException
* SAXException}, it inherits the ability to wrap another exception.</p>
*
* @since SAX 1.0
* @see org.xml.sax.SAXException
* @see org.xml.sax.Locator
* @see org.xml.sax.ErrorHandler
*/
class ACDK_ORG_XML_PUBLIC SAXParseException
: extends SAXException
{
ACDK_WITH_METAINFO(SAXParseException)
private:
RLocator _locator;
RString _publicId;
RString _systemId;
int _lineNo;
int _columnNo;
public:
/**
* Create a new SAXParseException from a message and a Locator.
*
* <p>This constructor is especially useful when an application is
* creating its own exception from within a {@link org.xml.sax.ContentHandler
* ContentHandler} callback.</p>
*
* @param message The error or warning message.
* @param locator The locator object for the error or warning (may be
* null).
* @see org.xml.sax.Locator
*/
SAXParseException(IN(RString) s, IN(RLocator) locator)
: SAXException(s)
, _locator(locator)
, _lineNo(-1)
, _columnNo(-1)
{
}
/**
* Wrap an existing exception in a SAXParseException.
*
* <p>This constructor is especially useful when an application is
* creating its own exception from within a {@link org.xml.sax.ContentHandler
* ContentHandler} callback, and needs to wrap an existing exception that is not a
* subclass of {@link org.xml.sax.SAXException SAXException}.</p>
*
* @param message The error or warning message, or null to
* use the message from the embedded exception.
* @param locator The locator object for the error or warning (may be
* null).
* @param e Any exception.
* @see org.xml.sax.Locator
*/
SAXParseException(IN(RString) s, IN(RLocator) locator, IN(RException) exception)
: SAXException(s, exception)
, _locator(locator)
, _lineNo(-1)
, _columnNo(-1)
{
}
/**
* Create a new SAXParseException with an embedded exception.
*
* <p>This constructor is most useful for parser writers who
* need to wrap an exception that is not a subclass of
* {@link org.xml.sax.SAXException SAXException}.</p>
*
* <p>All parameters except the message and exception are as if
* they were provided by a {@link Locator}. For example, if the
* system identifier is a URL (including relative filename), the
* caller must resolve it fully before creating the exception.</p>
*
* @param message The error or warning message, or null to use
* the message from the embedded exception.
* @param publicId The public identifer of the entity that generated
* the error or warning.
* @param systemId The system identifer of the entity that generated
* the error or warning.
* @param lineNumber The line number of the end of the text that
* caused the error or warning.
* @param columnNumber The column number of the end of the text that
* cause the error or warning.
* @param e Another exception to embed in this one.
*/
SAXParseException( IN(RString) msg, IN(RString) publicId, IN(RString) systemId
, int lineno, int colno, IN(RException) ex = Nil)
: SAXException(msg, ex)
, _locator(Nil)
, _publicId(publicId)
, _systemId(systemId)
, _lineNo(lineno)
, _columnNo(colno)
{
}
virtual RLocator locator() { return _locator; }
RString getPublicId() { return _publicId; }
RString getSystemId() { return _systemId; }
int getLineNumber() { return _lineNo; }
int getColumnNumber() { return _columnNo; }
RString getMessage() { return toString(); }
RString toString()
{
StringBuffer sb;
if (getPublicId() != Nil || getSystemId() != Nil)
sb.append("[");
if (getPublicId() != Nil)
sb.append(getPublicId());
if (getPublicId() != Nil && getSystemId() != Nil)
sb.append("|");
if (getSystemId() != Nil)
sb.append(getSystemId());
if (getPublicId() != Nil || getSystemId() != Nil)
sb.append("]");
sb.append("]");
if (getLineNumber() != -1 || getColumnNumber() != -1) {
sb.append(" at ");
if (getLineNumber() != -1)
sb.append(getLineNumber());
sb.append(",");
if (getColumnNumber() != -1)
sb.append(getColumnNumber());
}
sb.append(": ");
sb.append(SAXException::getMessage());
return sb.toString();
}
};
} // namespace sax
} // namespace xml
} // namespace org
#endif //org_xml_sax_SAXParseException_h |