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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).
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25 
26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
27 
28 import javax.xml.bind.ValidationEventLocator;
29 import javax.xml.bind.helpers.ValidationEventLocatorImpl;
30 import javax.xml.namespace.NamespaceContext;
31 import javax.xml.stream.Location;
32 import javax.xml.stream.XMLStreamException;
33 
34 import org.xml.sax.SAXException;
35 
36 /**
37  * @author Kohsuke Kawaguchi
38  */
39 abstract class StAXConnector {
bridge()40     public abstract void bridge() throws XMLStreamException;
41 
42 
43     // event sink
44     protected final XmlVisitor visitor;
45 
46     protected final UnmarshallingContext context;
47     protected final XmlVisitor.TextPredictor predictor;
48 
49     private final class TagNameImpl extends TagName {
getQname()50         public String getQname() {
51             return StAXConnector.this.getCurrentQName();
52         }
53     }
54 
55     protected final TagName tagName = new TagNameImpl();
56 
StAXConnector(XmlVisitor visitor)57     protected StAXConnector(XmlVisitor visitor) {
58         this.visitor = visitor;
59         context = visitor.getContext();
60         predictor = visitor.getPredictor();
61     }
62 
63     /**
64      * Gets the {@link Location}. Used for implementing the line number information.
65      * @return must not null.
66      */
getCurrentLocation()67     protected abstract Location getCurrentLocation();
68 
69     /**
70      * Gets the QName of the current element.
71      */
getCurrentQName()72     protected abstract String getCurrentQName();
73 
handleStartDocument(NamespaceContext nsc)74     protected final void handleStartDocument(NamespaceContext nsc) throws SAXException {
75         visitor.startDocument(new LocatorEx() {
76             public ValidationEventLocator getLocation() {
77                 return new ValidationEventLocatorImpl(this);
78             }
79             public int getColumnNumber() {
80                 return getCurrentLocation().getColumnNumber();
81             }
82             public int getLineNumber() {
83                 return getCurrentLocation().getLineNumber();
84             }
85             public String getPublicId() {
86                 return getCurrentLocation().getPublicId();
87             }
88             public String getSystemId() {
89                 return getCurrentLocation().getSystemId();
90             }
91         },nsc);
92     }
93 
handleEndDocument()94     protected final void handleEndDocument() throws SAXException {
95         visitor.endDocument();
96     }
97 
fixNull(String s)98     protected static String fixNull(String s) {
99         if(s==null) return "";
100         else        return s;
101     }
102 
getQName(String prefix, String localName)103     protected final String getQName(String prefix, String localName) {
104         if(prefix==null || prefix.length()==0)
105             return localName;
106         else
107             return prefix + ':' + localName;
108     }
109 }
110