01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.relaxng.program;
31:
32: import com.caucho.log.Log;
33: import com.caucho.relaxng.RelaxException;
34: import com.caucho.util.L10N;
35: import com.caucho.xml.QName;
36:
37: import java.util.HashSet;
38: import java.util.logging.Logger;
39:
40: /**
41: * Matches names.
42: */
43: abstract public class NameClassItem {
44: protected final static L10N L = new L10N(NameClassItem.class);
45: protected final static Logger log = Log.open(NameClassItem.class);
46:
47: /**
48: * Adds to the first set, the set of element names possible.
49: */
50: public void firstSet(HashSet<QName> set) {
51: }
52:
53: /**
54: * Returns true if the name matches.
55: */
56: abstract public boolean matches(QName name);
57:
58: /**
59: * Returns the pretty printed syntax.
60: */
61: abstract public String toSyntaxDescription(String prefix);
62:
63: /**
64: * Throws an error.
65: */
66: protected RelaxException error(String msg) {
67: return new RelaxException(msg);
68: }
69: }
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