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Java > Open Source Codes > org > armedbear > lisp > create_new_file


1 /*
2  * create_new_file.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id: create_new_file.java,v 1.2 2004/03/05 16:10:22 piso Exp $
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20  */
21
22 package org.armedbear.lisp;
23
24 import java.io.File JavaDoc;
25 import java.io.IOException JavaDoc;
26
27 // ### create-new-file
28 public final class create_new_file extends Primitive1
29 {
30     private create_new_file()
31     {
32         super("create-new-file", PACKAGE_SYS, false, "pathname");
33     }
34
35     public LispObject execute(LispObject arg) throws ConditionThrowable
36     {
37         Pathname pathname = Pathname.coerceToPathname(arg);
38         String JavaDoc namestring = pathname.getNamestring();
39         if (namestring == null)
40             signal(new SimpleError("Pathname has no namestring: " + pathname));
41         try {
42             return new File JavaDoc(namestring).createNewFile() ? T : NIL;
43         }
44         catch (IOException JavaDoc e) {
45             return signal(new StreamError(null, e));
46         }
47     }
48
49     private static final Primitive1 CREATE_NEW_FILE = new create_new_file();
50 }
51
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