01: /* Label
02: *
03: * $Id: Label.java 4545 2006-08-26 00:33:38Z stack-sf $
04: *
05: * Created on July 26, 2006.
06: *
07: * Copyright (C) 2006 Internet Archive.
08: *
09: * 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 s) {
35: super (s);
36: }
37:
38: @Override
39: protected void checkCharacter(char c, String srcStr, int index) {
40: super .checkCharacter(c, srcStr, index);
41: if (c == COLON) {
42: throw new IllegalArgumentException("Label cannot contain "
43: + COLON);
44: }
45: }
46: }
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