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: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.relaxng;
30:
31: import com.caucho.relaxng.pattern.GrammarPattern;
32: import com.caucho.relaxng.program.Item;
33: import com.caucho.util.L10N;
34: import com.caucho.util.LruCache;
35:
36: /**
37: * JARV Schema implementation
38: */
39: public class SchemaImpl implements Schema {
40: protected static final L10N L = new L10N(SchemaImpl.class);
41:
42: private String _filename;
43:
44: private LruCache<Object, Item> _programCache = new LruCache<Object, Item>(
45: 1024);
46:
47: private Item _startItem;
48:
49: SchemaImpl(GrammarPattern grammar) throws RelaxException {
50: _startItem = grammar.getStart().createItem(grammar);
51:
52: if (_startItem == null)
53: throw new RelaxException(L.l("Expected a start item."));
54: }
55:
56: /**
57: * Returns the program.
58: */
59: public Item getStartItem() {
60: return _startItem;
61: }
62:
63: public LruCache<Object, Item> getProgramCache() {
64: return _programCache;
65: }
66:
67: /**
68: * Sets the schema filename.
69: */
70: public void setFilename(String filename) {
71: _filename = filename;
72: }
73:
74: /**
75: * Creates a verifier from the schema.
76: */
77: public Verifier newVerifier() {
78: return new VerifierImpl(this );
79: }
80:
81: public String toString() {
82: if (_filename != null)
83: return "SchemaImpl[" + _filename + "]";
84: else
85: return "SchemaImpl[]";
86: }
87: }
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