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.xml.internal.bind.v2.runtime.unmarshaller;
27:
28: import java.util.HashMap;
29: import java.util.concurrent.Callable;
30:
31: import com.sun.xml.internal.bind.IDResolver;
32:
33: /**
34: * Default implementation of {@link IDResolver}.
35: *
36: * @author Kohsuke Kawaguchi
37: */
38: final class DefaultIDResolver extends IDResolver {
39: /** Records ID->Object map. */
40: private HashMap<String, Object> idmap = null;
41:
42: public void startDocument() {
43: if (idmap != null)
44: idmap.clear();
45: }
46:
47: public void bind(String id, Object obj) {
48: if (idmap == null)
49: idmap = new HashMap<String, Object>();
50: idmap.put(id, obj);
51: }
52:
53: public Callable resolve(final String id, Class targetType) {
54: return new Callable() {
55: public Object call() throws Exception {
56: if (idmap == null)
57: return null;
58: return idmap.get(id);
59: }
60: };
61: }
62: }
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