src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/unmarshaller/WildcardLoader.java

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1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
27
28 import javax.xml.bind.annotation.DomHandler;
29
30 import com.sun.xml.internal.bind.v2.model.core.WildcardMode;
31
32 import org.xml.sax.SAXException;
33
34 /**
35 * Feed incoming events to {@link DomHandler} and builds a DOM tree.
36 *
37 * <p>
38 * Note that the SAXException returned by the ContentHandler is
39 * unreported. So we have to catch them and report it, then rethrow
40 * it if necessary.
41 *
42 * @author
43 * Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
44 */
45 public final class WildcardLoader extends ProxyLoader {
46
47 private final DomLoader dom;
48
49 private final WildcardMode mode;
50
51 public WildcardLoader(DomHandler dom, WildcardMode mode) {
52 this.dom = new DomLoader(dom);
53 this.mode = mode;
54 }
55
56 protected Loader selectLoader(UnmarshallingContext.State state, TagName tag) throws SAXException {
57 UnmarshallingContext context = state.getContext();
58
59 if(mode.allowTypedObject) {
60 Loader l = context.selectRootLoader(state,tag);
61 if(l!=null)
62 return l;
63 }
64 if(mode.allowDom)
65 return dom;
66
67 // simply discard.
68 return Discarder.INSTANCE;
69 }
70
71 }

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