1 /*
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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).
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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 
WildcardLoader(DomHandler dom, WildcardMode mode)51     public WildcardLoader(DomHandler dom, WildcardMode mode) {
52         this.dom = new DomLoader(dom);
53         this.mode = mode;
54     }
55 
selectLoader(UnmarshallingContext.State state, TagName tag)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 }
72