--- old/src/java.xml.bind/share/classes/com/sun/xml/internal/bind/v2/runtime/ElementBeanInfoImpl.java 2018-01-30 20:33:10.000000000 -0500 +++ /dev/null 2018-01-30 20:33:10.000000000 -0500 @@ -1,350 +0,0 @@ -/* - * Copyright (c) 1997, 2014, 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 { - - 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 constructor; - - ElementBeanInfoImpl(JAXBContextImpl grammar, RuntimeElementInfo rei) { - super(grammar,rei,(Class)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() { - 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 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.setLoader(core); - state.setIntercepter(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.getPrev(); - p.setBackup(p.getTarget()); - p.setTarget(child); - - core.startElement(state,ea); - } - - public Object intercept(UnmarshallingContext.State state, Object o) throws SAXException { - JAXBElement e = (JAXBElement)state.getTarget(); - state.setTarget(state.getBackup()); - state.setBackup(null); - - if (state.isNil()) { - e.setNil(true); - state.setNil(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 result = new QNameMap(); - 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 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 - } -}