org.armedbear.lisp.create_new_file Maven / Gradle / Ivy

Go to download
/*
 * create_new_file.java
 *
 * Copyright (C) 2004-2006 Peter Graves
 * $Id: create_new_file.java 12288 2009-11-29 22:00:12Z vvoutilainen $
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */

package org.armedbear.lisp;

import static org.armedbear.lisp.Lisp.*;

import java.io.File;
import java.io.IOException;

// ### create-new-file
public final class create_new_file extends Primitive
{
    private create_new_file()
    {
        super("create-new-file", PACKAGE_SYS, true, "namestring");
    }

    @Override
    public LispObject execute(LispObject arg)
    {
        final String namestring = arg.getStringValue();
        try {
            return new File(namestring).createNewFile() ? T : NIL;
        }
        catch (IOException e) {
            return error(new StreamError(null, e));
        }
    }

    private static final Primitive CREATE_NEW_FILE = new create_new_file();
}