casa6

​

//# Copyright (C) 1998,1999,2000,2001,2003

//# Associated Universities, Inc. Washington DC, USA.

//#

//# This program is free software; you can redistribute it and/or modify it

//# under the terms of the GNU General Public License as published by the Free

//# Software Foundation; either version 2 of the License, or (at your option)

//# any later version.

//#

//# This program 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 General Public License for

//# more details.

//#

//# You should have received a copy of the GNU General Public License along

//# with this program; if not, write to the Free Software Foundation, Inc.,

//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.

//#

//# Correspondence concerning AIPS++ should be addressed as follows:

//#        Internet email: aips2-request@nrao.edu.

//#        Postal address: AIPS++ Project Office

//#                        National Radio Astronomy Observatory

//#                        520 Edgemont Road

//#                        Charlottesville, VA 22903-2475 USA

//#

​

#include <imageanalysis/IO/OutputDestinationChecker.h>

​

#include <casacore/casa/OS/File.h>

​

​

using namespace casacore;

namespace casa {

​

OutputDestinationChecker::OutputDestinationChecker() {}

​

OutputDestinationChecker::~OutputDestinationChecker() {}

​

void OutputDestinationChecker::checkOutput(OutputStruct& output, LogIO& log) {

    String label = output.label;

    String name = *(output.outputFile);

    Bool required = output.required;

    Bool replaceable = output.replaceable;

    if (name.empty()) {

        ThrowIf(

            required, label + " cannot be blank"

        );

        return;

    }

    LogIO::Command logLevel = required ? LogIO::SEVERE : LogIO::WARN;

    LogIO::Command logAction = required ? LogIO::EXCEPTION : LogIO::POST;

    File f(name);

    switch (f.getWriteStatus()) {

    case File::NOT_CREATABLE:

        log << logLevel << "Requested " << label << " " << name

            << " cannot be created so will not be written" << logAction;

        *(output.outputFile) = "";

        break;

    case File::NOT_OVERWRITABLE:

        log << logLevel << "There is already a file or directory named "

            << name << " which cannot be overwritten so the " << label

            << " will not be written" << logAction;

        *(output.outputFile) = "";