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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 java.util.HashMap;
29 import java.util.concurrent.Callable;
30 
31 import javax.xml.bind.ValidationEventHandler;
32 
33 import com.sun.xml.internal.bind.IDResolver;
34 
35 import org.xml.sax.SAXException;
36 
37 /**
38  * Default implementation of {@link IDResolver}.
39  *
40  * @author Kohsuke Kawaguchi
41  */
42 final class DefaultIDResolver extends IDResolver {
43     /** Records ID->Object map. */
44     private HashMap<String,Object> idmap = null;
45 
46     @Override
startDocument(ValidationEventHandler eventHandler)47     public void startDocument(ValidationEventHandler eventHandler) throws SAXException {
48         if(idmap!=null)
49             idmap.clear();
50     }
51 
52     @Override
bind(String id, Object obj)53     public void bind(String id, Object obj) {
54         if(idmap==null)     idmap = new HashMap<String,Object>();
55         idmap.put(id,obj);
56     }
57 
58     @Override
resolve(final String id, Class targetType)59     public Callable resolve(final String id, Class targetType) {
60         return new Callable() {
61             public Object call() throws Exception {
62                 if(idmap==null)     return null;
63                 return idmap.get(id);
64             }
65         };
66     }
67 }
68