SimpleLocationParser.cc

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// This file is part of the "NcML Module" project, a BES module designed
// to allow NcML files to be used to be used as a wrapper to add
// AIS to existing datasets of any format.
//
// Copyright (c) 2009 OPeNDAP, Inc.
// Author: Michael Johnson  <m.johnson@opendap.org>
//
// For more information, please also see the main website: http://opendap.org/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// 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 GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

#include "SimpleLocationParser.h"

#include "BESDebug.h"
#include "NCMLUtil.h"
#include "SaxParserWrapper.h"

using namespace std;
using namespace ncml_module;


SimpleLocationParser::SimpleLocationParser()
: _location("")
{
}

SimpleLocationParser::~SimpleLocationParser()
{
  _location = "";
}

string
SimpleLocationParser::parseAndGetLocation(const string& filename)
{
  SaxParserWrapper parser(*this);
  parser.parse(filename);
  std::string ret = _location;
  _location = "";
  return ret;
}

void
SimpleLocationParser::onStartElement(const string& name, const XMLAttributeMap& attrs)
{
  if (name == "netcdf")
    {
      _location = attrs.getValueForLocalNameOrDefault("location", "");
    }
}

void
SimpleLocationParser::onParseWarning(std::string msg)
{
  BESDEBUG("ncml", "Parse Warning:" << msg << endl);
}

void
SimpleLocationParser::onParseError(std::string msg)
{
  BESDEBUG("ncml", "Parse Error:" << msg << endl);
  // we'll just get an empty location out and handle it upstairs.
}