jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/ElementBeanInfoImpl.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/ElementBeanInfoImpl.java@9c07ef4934dd (annotated)

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

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

author: aoqi
date: Thu, 31 Aug 2017 15:18:52 +0800
changeset 637: 9c07ef4934dd
parent 450: b0c2840e2513
parent 0: 373ffda63c9a
child 760: e530533619ec
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 package com.sun.xml.internal.bind.v2.runtime;
 import java.io.IOException;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import javax.xml.bind.JAXBElement;
 import javax.xml.bind.JAXBException;
 import javax.xml.namespace.QName;
 import javax.xml.stream.XMLStreamException;
 import com.sun.xml.internal.bind.api.AccessorException;
 import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementInfo;
 import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
 import com.sun.xml.internal.bind.v2.runtime.property.Property;
 import com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory;
 import com.sun.xml.internal.bind.v2.runtime.property.UnmarshallerChain;
 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Discarder;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Intercepter;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.TagName;
 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
 import com.sun.xml.internal.bind.v2.util.QNameMap;
 import org.xml.sax.SAXException;
 /**
  * {@link JaxBeanInfo} implementation for {@link RuntimeElementInfo}.
  *
  * @author Kohsuke Kawaguchi
  */
 public final class ElementBeanInfoImpl extends JaxBeanInfo<JAXBElement> {
     private Loader loader;
     private final Property property;
     // used to create new instances of JAXBElement.
     private final QName tagName;
     public final Class expectedType;
     private final Class scope;
     /**
      * If non-null, use this to create an instance.
      * It takes one value.
      */
     private final Constructor<? extends JAXBElement> constructor;
     ElementBeanInfoImpl(JAXBContextImpl grammar, RuntimeElementInfo rei) {
         super(grammar,rei,(Class<JAXBElement>)rei.getType(),true,false,true);
         this.property = PropertyFactory.create(grammar,rei.getProperty());
         tagName = rei.getElementName();
         expectedType = (Class) Utils.REFLECTION_NAVIGATOR.erasure(rei.getContentInMemoryType());
         scope = rei.getScope()==null ? JAXBElement.GlobalScope.class : rei.getScope().getClazz();
         Class type = (Class) Utils.REFLECTION_NAVIGATOR.erasure(rei.getType());
         if(type==JAXBElement.class)
             constructor = null;
         else {
             try {
                 constructor = type.getConstructor(expectedType);
             } catch (NoSuchMethodException e) {
                 NoSuchMethodError x = new NoSuchMethodError("Failed to find the constructor for " + type + " with " + expectedType);
                 x.initCause(e);
                 throw x;
             }
         }
     }
     /**
      * The constructor for the sole instanceof {@link JaxBeanInfo} for
      * handling user-created {@link JAXBElement}.
      *
      * Such {@link JaxBeanInfo} is used only for marshalling.
      *
      * This is a hack.
      */
     protected ElementBeanInfoImpl(final JAXBContextImpl grammar) {
         super(grammar,null,JAXBElement.class,true,false,true);
         tagName = null;
         expectedType = null;
         scope = null;
         constructor = null;
         this.property = new Property<JAXBElement>() {
             public void reset(JAXBElement o) {
                 throw new UnsupportedOperationException();
             }
             public void serializeBody(JAXBElement e, XMLSerializer target, Object outerPeer) throws SAXException, IOException, XMLStreamException {
                 Class scope = e.getScope();
                 if(e.isGlobalScope())   scope = null;
                 QName n = e.getName();
                 ElementBeanInfoImpl bi = grammar.getElement(scope,n);
                 if(bi==null) {
                     // infer what to do from the type
                     JaxBeanInfo tbi;
                     try {
                         tbi = grammar.getBeanInfo(e.getDeclaredType(),true);
                     } catch (JAXBException x) {
                         // if e.getDeclaredType() isn't known to this JAXBContext
                         target.reportError(null,x);
                         return;
                     }
                     Object value = e.getValue();
                     target.startElement(n.getNamespaceURI(),n.getLocalPart(),n.getPrefix(),null);
                     if(value==null) {
                         target.writeXsiNilTrue();
                     } else {
                         target.childAsXsiType(value,"value",tbi, false);
                     }
                     target.endElement();
                 } else {
                     try {
                         bi.property.serializeBody(e,target,e);
                     } catch (AccessorException x) {
                         target.reportError(null,x);
                     }
                 }
             }
             public void serializeURIs(JAXBElement o, XMLSerializer target) {
             }
             public boolean hasSerializeURIAction() {
                 return false;
             }
             public String getIdValue(JAXBElement o) {
                 return null;
             }
             public PropertyKind getKind() {
                 return PropertyKind.ELEMENT;
             }
             public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {
             }
             public Accessor getElementPropertyAccessor(String nsUri, String localName) {
                 throw new UnsupportedOperationException();
             }
             public void wrapUp() {
             }
             public RuntimePropertyInfo getInfo() {
                 return property.getInfo();
             }
             public boolean isHiddenByOverride() {
                 return false;
             }
             public void setHiddenByOverride(boolean hidden) {
                 throw new UnsupportedOperationException("Not supported on jaxbelements.");
             }
             public String getFieldName() {
                 return null;
             }
         };
     }
     /**
      * Use the previous {@link UnmarshallingContext.State}'s target to store
      * {@link JAXBElement} object to be unmarshalled. This allows the property {@link Loader}
      * to correctly find the parent object.
      * This is a hack.
      */
     private final class IntercepterLoader extends Loader implements Intercepter {
         private final Loader core;
         public IntercepterLoader(Loader core) {
             this.core = core;
         }
         @Override
         public final void startElement(UnmarshallingContext.State state, TagName ea) throws SAXException {
             state.loader = core;
             state.intercepter = this;
             // TODO: make sure there aren't too many duplicate of this code
             // create the object to unmarshal
             Object child;
             UnmarshallingContext context = state.getContext();
             // let's see if we can reuse the existing peer object
             child = context.getOuterPeer();
             if(child!=null && jaxbType!=child.getClass())
                 child = null;   // unexpected type.
             if(child!=null)
                 reset((JAXBElement)child,context);
             if(child==null)
                 child = context.createInstance(ElementBeanInfoImpl.this);
             fireBeforeUnmarshal(ElementBeanInfoImpl.this, child, state);
             context.recordOuterPeer(child);
             UnmarshallingContext.State p = state.prev;
             p.backup = p.target;
             p.target = child;
             core.startElement(state,ea);
         }
         public Object intercept(UnmarshallingContext.State state, Object o) throws SAXException {
             JAXBElement e = (JAXBElement)state.target;
             state.target = state.backup;
             state.backup = null;
             if (state.nil) {
                 e.setNil(true);
                 state.nil = false;
             }
             if(o!=null)
                 // if the value is a leaf type, it's often already set to the element
                 // through Accessor.
                 e.setValue(o);
             fireAfterUnmarshal(ElementBeanInfoImpl.this, e, state);
             return e;
         }
     }
     public String getElementNamespaceURI(JAXBElement e) {
         return e.getName().getNamespaceURI();
     }
     public String getElementLocalName(JAXBElement e) {
         return e.getName().getLocalPart();
     }
     public Loader getLoader(JAXBContextImpl context, boolean typeSubstitutionCapable) {
         if(loader==null) {
             // this has to be done lazily to avoid cyclic reference issue
             UnmarshallerChain c = new UnmarshallerChain(context);
             QNameMap<ChildLoader> result = new QNameMap<ChildLoader>();
             property.buildChildElementUnmarshallers(c,result);
             if(result.size()==1)
                 // for ElementBeanInfoImpl created from RuntimeElementInfo
                 this.loader = new IntercepterLoader(result.getOne().getValue().loader);
             else
                 // for special ElementBeanInfoImpl only used for marshalling
                 this.loader = Discarder.INSTANCE;
         }
         return loader;
     }
     public final JAXBElement createInstance(UnmarshallingContext context) throws IllegalAccessException, InvocationTargetException, InstantiationException {
         return createInstanceFromValue(null);
     }
     public final JAXBElement createInstanceFromValue(Object o) throws IllegalAccessException, InvocationTargetException, InstantiationException {
         if(constructor==null)
             return new JAXBElement(tagName,expectedType,scope,o);
         else
             return constructor.newInstance(o);
     }
     public boolean reset(JAXBElement e, UnmarshallingContext context) {
         e.setValue(null);
         return true;
     }
     public String getId(JAXBElement e, XMLSerializer target) {
         // TODO: is this OK? Should we be returning the ID value of the type property?
         /*
             There's one case where we JAXBElement needs to be designated as ID,
             and that is when there's a global element whose type is ID.
         */
         Object o = e.getValue();
         if(o instanceof String)
             return (String)o;
         else
             return null;
     }
     public void serializeBody(JAXBElement element, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
         try {
             property.serializeBody(element,target,null);
         } catch (AccessorException x) {
             target.reportError(null,x);
         }
     }
     public void serializeRoot(JAXBElement e, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
         serializeBody(e,target);
     }
     public void serializeAttributes(JAXBElement e, XMLSerializer target) {
         // noop
     }
     public void serializeURIs(JAXBElement e, XMLSerializer target) {
         // noop
     }
     public final Transducer<JAXBElement> getTransducer() {
         return null;
     }
     @Override
     public void wrapUp() {
         super.wrapUp();
         property.wrapUp();
     }
     @Override
     public void link(JAXBContextImpl grammar) {
         super.link(grammar);
         getLoader(grammar,true);    // make sure to build them, if we hadn't done so
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/ElementBeanInfoImpl.java@9c07ef4934dd (annotated)

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