| /* |
| * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0, which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.glassfish.jaxb.runtime.v2.runtime.property; |
| |
| import org.glassfish.jaxb.runtime.api.AccessorException; |
| import org.glassfish.jaxb.core.v2.ClassFactory; |
| import org.glassfish.jaxb.core.v2.model.core.PropertyKind; |
| import org.glassfish.jaxb.core.v2.model.core.WildcardMode; |
| import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeElement; |
| import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeReferencePropertyInfo; |
| import org.glassfish.jaxb.runtime.v2.runtime.ElementBeanInfoImpl; |
| import org.glassfish.jaxb.runtime.v2.runtime.JAXBContextImpl; |
| import org.glassfish.jaxb.runtime.v2.runtime.JaxBeanInfo; |
| import org.glassfish.jaxb.runtime.v2.runtime.XMLSerializer; |
| import org.glassfish.jaxb.runtime.v2.runtime.reflect.Accessor; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.ChildLoader; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.WildcardLoader; |
| import org.glassfish.jaxb.runtime.v2.util.QNameMap; |
| import jakarta.xml.bind.JAXBElement; |
| import jakarta.xml.bind.JAXBException; |
| import jakarta.xml.bind.annotation.DomHandler; |
| import org.xml.sax.SAXException; |
| |
| import javax.xml.stream.XMLStreamException; |
| import java.io.IOException; |
| import java.lang.reflect.InvocationTargetException; |
| |
| /** |
| * @author Kohsuke Kawaguchi |
| */ |
| final class SingleReferenceNodeProperty<BeanT,ValueT> extends PropertyImpl<BeanT> { |
| |
| private final Accessor<BeanT,ValueT> acc; |
| |
| private final QNameMap<JaxBeanInfo> expectedElements = new QNameMap<>(); |
| |
| private final DomHandler domHandler; |
| private final WildcardMode wcMode; |
| |
| public SingleReferenceNodeProperty(JAXBContextImpl context, RuntimeReferencePropertyInfo prop) { |
| super(context,prop); |
| acc = prop.getAccessor().optimize(context); |
| |
| for (RuntimeElement e : prop.getElements()) { |
| expectedElements.put( e.getElementName(), context.getOrCreate(e) ); |
| } |
| |
| if(prop.getWildcard()!=null) { |
| domHandler = (DomHandler) ClassFactory.create(prop.getDOMHandler()); |
| wcMode = prop.getWildcard(); |
| } else { |
| domHandler = null; |
| wcMode = null; |
| } |
| } |
| |
| @Override |
| public void reset(BeanT bean) throws AccessorException { |
| acc.set(bean,null); |
| } |
| |
| @Override |
| public String getIdValue(BeanT beanT) { |
| return null; |
| } |
| |
| @Override |
| public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException { |
| ValueT v = acc.get(o); |
| if(v!=null) { |
| try { |
| JaxBeanInfo bi = w.grammar.getBeanInfo(v,true); |
| if(bi.jaxbType==Object.class && domHandler!=null) |
| // even if 'v' is a DOM node, it always derive from Object, |
| // so the getBeanInfo returns BeanInfo for Object |
| w.writeDom(v,domHandler,o,fieldName); |
| else |
| bi.serializeRoot(v,w); |
| } catch (JAXBException e) { |
| w.reportError(fieldName,e); |
| // recover by ignoring this property |
| } |
| } |
| } |
| |
| @Override |
| public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) { |
| for (QNameMap.Entry<JaxBeanInfo> n : expectedElements.entrySet()) |
| handlers.put(n.nsUri,n.localName, new ChildLoader(n.getValue().getLoader(chain.context,true),acc)); |
| |
| if(domHandler!=null) |
| handlers.put(CATCH_ALL,new ChildLoader(new WildcardLoader(domHandler,wcMode),acc)); |
| |
| } |
| |
| @Override |
| public PropertyKind getKind() { |
| return PropertyKind.REFERENCE; |
| } |
| |
| @Override |
| public Accessor getElementPropertyAccessor(String nsUri, String localName) { |
| JaxBeanInfo bi = expectedElements.get(nsUri, localName); |
| if(bi!=null) { |
| if(bi instanceof ElementBeanInfoImpl) { |
| final ElementBeanInfoImpl ebi = (ElementBeanInfoImpl) bi; |
| // a JAXBElement. We need to handle JAXBElement for JAX-WS |
| return new Accessor<BeanT,Object>(ebi.expectedType) { |
| @Override |
| public Object get(BeanT bean) throws AccessorException { |
| ValueT r = acc.get(bean); |
| if(r instanceof JAXBElement) { |
| return ((JAXBElement)r).getValue(); |
| } else |
| // this is sloppy programming, but hey... |
| return r; |
| } |
| |
| @Override |
| public void set(BeanT bean, Object value) throws AccessorException { |
| if(value!=null) { |
| try { |
| value = ebi.createInstanceFromValue(value); |
| } catch (IllegalAccessException e) { |
| throw new AccessorException(e); |
| } catch (InvocationTargetException e) { |
| throw new AccessorException(e); |
| } catch (InstantiationException e) { |
| throw new AccessorException(e); |
| } |
| } |
| acc.set(bean,(ValueT)value); |
| } |
| }; |
| } else { |
| // a custom element type, like @XmlRootElement class Foo { ... } |
| return acc; |
| } |
| } else |
| return null; |
| } |
| } |