01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common Development
08: * and Distribution License("CDDL") (collectively, the "License"). You
09: * may not use this file except in compliance with the License. You can obtain
10: * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
11: * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
12: * language governing permissions and limitations under the License.
13: *
14: * When distributing the software, include this License Header Notice in each
15: * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
16: * Sun designates this particular file as subject to the "Classpath" exception
17: * as provided by Sun in the GPL Version 2 section of the License file that
18: * accompanied this code. If applicable, add the following below the License
19: * Header, with the fields enclosed by brackets [] replaced by your own
20: * identifying information: "Portions Copyrighted [year]
21: * [name of copyright owner]"
22: *
23: * Contributor(s):
24: *
25: * If you wish your version of this file to be governed by only the CDDL or
26: * only the GPL Version 2, indicate your decision by adding "[Contributor]
27: * elects to include this software in this distribution under the [CDDL or GPL
28: * Version 2] license." If you don't indicate a single choice of license, a
29: * recipient has the option to distribute your version of this file under
30: * either the CDDL, the GPL Version 2 or to extend the choice of license to
31: * its licensees as provided above. However, if you add GPL Version 2 code
32: * and therefore, elected the GPL Version 2 license, then the option applies
33: * only if the new code is made subject to such option by the copyright
34: * holder.
35: */
36:
37: /*
38: * @(#)$Id: WildcardLoader.java,v 1.3.6.3 2007/05/31 21:59:57 ofung Exp $
39: */
40: package com.sun.xml.bind.v2.runtime.unmarshaller;
41:
42: import javax.xml.bind.annotation.DomHandler;
43:
44: import com.sun.xml.bind.v2.model.core.WildcardMode;
45:
46: import org.xml.sax.SAXException;
47:
48: /**
49: * Feed incoming events to {@link DomHandler} and builds a DOM tree.
50: *
51: * <p>
52: * Note that the SAXException returned by the ContentHandler is
53: * unreported. So we have to catch them and report it, then rethrow
54: * it if necessary.
55: *
56: * @author
57: * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
58: */
59: public final class WildcardLoader extends ProxyLoader {
60:
61: private final DomLoader dom;
62:
63: private final WildcardMode mode;
64:
65: public WildcardLoader(DomHandler dom, WildcardMode mode) {
66: this .dom = new DomLoader(dom);
67: this .mode = mode;
68: }
69:
70: protected Loader selectLoader(UnmarshallingContext.State state,
71: TagName tag) throws SAXException {
72: UnmarshallingContext context = state.getContext();
73:
74: if (mode.allowTypedObject) {
75: Loader l = context.selectRootLoader(state, tag);
76: if (l != null)
77: return l;
78: }
79: if (mode.allowDom)
80: return dom;
81:
82: // simply discard.
83: return Discarder.INSTANCE;
84: }
85:
86: }
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