01: /*
02: * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun in the LICENSE file that accompanied this code.
10: *
11: * This code is distributed in the hope that it will be useful, but WITHOUT
12: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14: * version 2 for more details (a copy is included in the LICENSE file that
15: * accompanied this code).
16: *
17: * You should have received a copy of the GNU General Public License version
18: * 2 along with this work; if not, write to the Free Software Foundation,
19: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package com.sun.tools.internal.txw2.model;
27:
28: import org.kohsuke.rngom.ast.builder.GrammarSection;
29:
30: import java.util.HashMap;
31: import java.util.Map;
32: import java.util.Collection;
33:
34: /**
35: * Represents a RELAX NG grammar.
36: *
37: * A {@link Grammar} extends a {@link Define} as "start"
38: *
39: * @author Kohsuke Kawaguchi
40: */
41: public class Grammar extends Define {
42: private final Map<String, Define> patterns = new HashMap<String, Define>();
43:
44: public Grammar() {
45: super (null, START);
46: patterns.put(START, this );
47: }
48:
49: public Define get(String name) {
50: Define def = patterns.get(name);
51: if (def == null)
52: patterns.put(name, def = new Define(this , name));
53: return def;
54: }
55:
56: public Collection<Define> getDefinitions() {
57: return patterns.values();
58: }
59:
60: /**
61: * The name for the start pattern
62: */
63: public static final String START = GrammarSection.START;
64: }
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