Fri, 23 Aug 2013 09:57:21 +0100
8022885: Update JAX-WS RI integration to 2.2.9-b14140
8013016: Rebase 8009009 against the latest jdk8/jaxws
Reviewed-by: alanb, chegar
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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14 * version 2 for more details (a copy is included in the LICENSE file that
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26 package com.sun.xml.internal.bind.v2.runtime.unmarshaller;
28 import javax.xml.namespace.QName;
30 import com.sun.xml.internal.bind.DatatypeConverterImpl;
31 import com.sun.xml.internal.bind.v2.WellKnownNamespace;
32 import com.sun.xml.internal.bind.v2.runtime.JaxBeanInfo;
33 import com.sun.istack.internal.Nullable;
35 import java.util.Collection;
36 import java.util.Collections;
37 import java.util.HashSet;
38 import org.xml.sax.Attributes;
39 import org.xml.sax.SAXException;
41 /**
42 * Looks at @xsi:type and forwards to the right {@link Loader}.
43 *
44 * @author Kohsuke Kawaguchi
45 */
46 public class XsiTypeLoader extends Loader {
48 /**
49 * Use this when no @xsi:type was found.
50 */
51 private final JaxBeanInfo defaultBeanInfo;
53 public XsiTypeLoader(JaxBeanInfo defaultBeanInfo) {
54 super(true);
55 this.defaultBeanInfo = defaultBeanInfo;
56 }
58 public void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
59 JaxBeanInfo beanInfo = parseXsiType(state,ea,defaultBeanInfo);
60 if(beanInfo==null)
61 beanInfo = defaultBeanInfo;
63 Loader loader = beanInfo.getLoader(null,false);
64 state.loader = loader;
65 loader.startElement(state,ea);
66 }
68 /*pacakge*/ static JaxBeanInfo parseXsiType(UnmarshallingContext.State state, TagName ea, @Nullable JaxBeanInfo defaultBeanInfo) throws SAXException {
69 UnmarshallingContext context = state.getContext();
70 JaxBeanInfo beanInfo = null;
72 // look for @xsi:type
73 Attributes atts = ea.atts;
74 int idx = atts.getIndex(WellKnownNamespace.XML_SCHEMA_INSTANCE,"type");
76 if(idx>=0) {
77 // we'll consume the value only when it's a recognized value,
78 // so don't consume it just yet.
79 String value = atts.getValue(idx);
81 QName type = DatatypeConverterImpl._parseQName(value,context);
82 if(type==null) {
83 reportError(Messages.NOT_A_QNAME.format(value),true);
84 } else {
85 if(defaultBeanInfo!=null && defaultBeanInfo.getTypeNames().contains(type))
86 // if this xsi:type is something that the default type can already handle,
87 // let it do so. This is added as a work around to bug https://jax-ws.dev.java.net/issues/show_bug.cgi?id=195
88 // where a redundant xsi:type="xs:dateTime" causes JAXB to unmarshal XMLGregorianCalendar,
89 // where Date is expected.
90 // this is not a complete fix, as we still won't be able to handle simple type substitution in general,
91 // but none-the-less
92 return defaultBeanInfo;
94 beanInfo = context.getJAXBContext().getGlobalType(type);
95 if(beanInfo==null) { // let's report an error
96 if (context.parent.hasEventHandler() // is somebody listening?
97 && context.shouldErrorBeReported()) { // should we report error?
98 String nearest = context.getJAXBContext().getNearestTypeName(type);
99 if(nearest!=null)
100 reportError(Messages.UNRECOGNIZED_TYPE_NAME_MAYBE.format(type,nearest),true);
101 else
102 reportError(Messages.UNRECOGNIZED_TYPE_NAME.format(type),true);
103 }
104 }
105 // TODO: resurrect the following check
106 // else
107 // if(!target.isAssignableFrom(actual)) {
108 // reportError(context,
109 // Messages.UNSUBSTITUTABLE_TYPE.format(value,actual.getName(),target.getName()),
110 // true);
111 // actual = targetBeanInfo; // ditto
112 // }
113 }
114 }
115 return beanInfo;
116 }
118 static final QName XsiTypeQNAME = new QName(WellKnownNamespace.XML_SCHEMA_INSTANCE,"type");
120 @Override
121 public Collection<QName> getExpectedAttributes() {
122 final Collection<QName> expAttrs = new HashSet<QName>();
123 expAttrs.addAll(super.getExpectedAttributes());
124 expAttrs.add(XsiTypeQNAME);
125 return Collections.unmodifiableCollection(expAttrs);
126 }
127 }