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


1 /*
2  * file_string_length.java
3  *
4  * Copyright (C) 2004 Peter Graves
5  * $Id: file_string_length.java,v 1.2 2004/01/31 19:25:36 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 // ### file-string-length
25 public final class file_string_length extends Primitive2
26 {
27     private file_string_length()
28     {
29         super("file-string-length", "stream object");
30     }
31
32     public LispObject execute(LispObject first, LispObject second)
33         throws ConditionThrowable
34     {
35         try {
36             return ((Stream)first).fileStringLength(second);
37         }
38         catch (ClassCastException JavaDoc e) {
39             return signal(new TypeError(first, Symbol.STREAM));
40         }
41     }
42
43     private static final Primitive2 FILE_STRING_LENGTH =
44         new file_string_length();
45 }
46
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