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Java > Open Source Codes > org > archive > util > anvl > Label


1 /* Label
2 *
3 * $Id: Label.java,v 1.5 2006/08/26 00:33:38 stack-sf Exp $
4 *
5 * Created on July 26, 2006.
6 *
7 * Copyright (C) 2006 Internet Archive.
8 *
9 * This file is part of the Heritrix web crawler (crawler.archive.org).
10 *
11 * Heritrix is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser Public License as published by
13 * the Free Software Foundation; either version 2.1 of the License, or
14 * any later version.
15 *
16 * Heritrix is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Lesser Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser Public License
22 * along with Heritrix; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25 package org.archive.util.anvl;
26
27 class Label extends SubElement {
28     public static final char COLON = ':';
29     
30     private Label() {
31         this(null);
32     }
33     
34     public Label(final String JavaDoc s) {
35         super(s);
36     }
37     
38     @Override JavaDoc
39     protected void checkCharacter(char c, String JavaDoc srcStr, int index) {
40         super.checkCharacter(c, srcStr, index);
41         if (c == COLON) {
42             throw new IllegalArgumentException JavaDoc("Label cannot contain " + COLON);
43         }
44     }
45 }
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