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

Thu, 31 Aug 2017 15:18:52 +0800

author
aoqi
date
Thu, 31 Aug 2017 15:18:52 +0800
changeset 637
9c07ef4934dd
parent 368
0989ad8c0860
parent 0
373ffda63c9a
permissions
-rw-r--r--

merge

     1 /*
     2  * Copyright (c) 1997, 2013, 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  */
    26 package com.sun.xml.internal.bind.v2.runtime;
    28 import java.io.IOException;
    30 import javax.xml.bind.ValidationEvent;
    31 import javax.xml.bind.helpers.ValidationEventImpl;
    32 import javax.xml.namespace.QName;
    33 import javax.xml.stream.XMLStreamException;
    35 import com.sun.xml.internal.bind.api.AccessorException;
    36 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeLeafInfo;
    37 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
    38 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.TextLoader;
    39 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
    40 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiTypeLoader;
    42 import org.xml.sax.SAXException;
    44 /**
    45  * {@link JaxBeanInfo} implementation for immutable leaf classes.
    46  *
    47  * <p>
    48  * Leaf classes are always bound to a text and they are often immutable.
    49  * The JAXB spec allows this binding for a few special Java classes plus
    50  * type-safe enums.
    51  *
    52  * <p>
    53  * This implementation obtains necessary information from {@link RuntimeLeafInfo}.
    54  *
    55  * @author Kohsuke Kawaguchi
    56  */
    57 final class LeafBeanInfoImpl<BeanT> extends JaxBeanInfo<BeanT> {
    59     private final Loader loader;
    60     private final Loader loaderWithSubst;
    62     private final Transducer<BeanT> xducer;
    64     /**
    65      * Non-null only if the leaf is also an element.
    66      */
    67     private final Name tagName;
    69     public LeafBeanInfoImpl(JAXBContextImpl grammar, RuntimeLeafInfo li) {
    70         super(grammar,li,li.getClazz(),li.getTypeNames(),li.isElement(),true,false);
    72         xducer = li.getTransducer();
    73         loader = new TextLoader(xducer);
    74         loaderWithSubst = new XsiTypeLoader(this);
    76         if(isElement())
    77             tagName = grammar.nameBuilder.createElementName(li.getElementName());
    78         else
    79             tagName = null;
    80     }
    82     @Override
    83     public QName getTypeName(BeanT instance) {
    84         QName tn = xducer.getTypeName(instance);
    85         if(tn!=null)    return tn;
    86         // rely on default
    87         return super.getTypeName(instance);
    88     }
    90     public final String getElementNamespaceURI(BeanT t) {
    91         return tagName.nsUri;
    92     }
    94     public final String getElementLocalName(BeanT t) {
    95         return tagName.localName;
    96     }
    98     public BeanT createInstance(UnmarshallingContext context) {
    99         throw new UnsupportedOperationException();
   100     }
   102     public final boolean reset(BeanT bean, UnmarshallingContext context) {
   103         return false;
   104     }
   106     public final String getId(BeanT bean, XMLSerializer target) {
   107         return null;
   108     }
   110     public final void serializeBody(BeanT bean, XMLSerializer w) throws SAXException, IOException, XMLStreamException {
   111         // most of the times leaves are printed as leaf element/attribute property,
   112         // so this code is only used for example when you have multiple XmlElement on a property
   113         // and some of them are leaves. Hence this doesn't need to be super-fast.
   114         try {
   115             xducer.writeText(w,bean,null);
   116         } catch (AccessorException e) {
   117             w.reportError(null,e);
   118         }
   119     }
   121     public final void serializeAttributes(BeanT bean, XMLSerializer target) {
   122         // noop
   123     }
   125     public final void serializeRoot(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
   126         if(tagName==null) {
   127             target.reportError(
   128                 new ValidationEventImpl(
   129                     ValidationEvent.ERROR,
   130                     Messages.UNABLE_TO_MARSHAL_NON_ELEMENT.format(bean.getClass().getName()),
   131                     null,
   132                     null));
   133         }
   134         else {
   135             target.startElement(tagName,bean);
   136             target.childAsSoleContent(bean,null);
   137             target.endElement();
   138         }
   139     }
   141     public final void serializeURIs(BeanT bean, XMLSerializer target) throws SAXException {
   142         // TODO: maybe we should create another LeafBeanInfoImpl class for
   143         // context-dependent xducers?
   144         if(xducer.useNamespace()) {
   145             try {
   146                 xducer.declareNamespace(bean,target);
   147             } catch (AccessorException e) {
   148                 target.reportError(null,e);
   149             }
   150         }
   151     }
   153     public final Loader getLoader(JAXBContextImpl context, boolean typeSubstitutionCapable) {
   154         if(typeSubstitutionCapable)
   155             return loaderWithSubst;
   156         else
   157             return loader;
   158     }
   160     public Transducer<BeanT> getTransducer() {
   161         return xducer;
   162     }
   163 }

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