| /* |
| * 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; |
| |
| import org.glassfish.jaxb.runtime.api.AccessorException; |
| import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeLeafInfo; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.Loader; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TextLoader; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.UnmarshallingContext; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.XsiTypeLoader; |
| import jakarta.xml.bind.ValidationEvent; |
| import jakarta.xml.bind.helpers.ValidationEventImpl; |
| import org.xml.sax.SAXException; |
| |
| import javax.xml.namespace.QName; |
| import javax.xml.stream.XMLStreamException; |
| import java.io.IOException; |
| |
| /** |
| * {@link JaxBeanInfo} implementation for immutable leaf classes. |
| * |
| * <p> |
| * Leaf classes are always bound to a text and they are often immutable. |
| * The JAXB spec allows this binding for a few special Java classes plus |
| * type-safe enums. |
| * |
| * <p> |
| * This implementation obtains necessary information from {@link RuntimeLeafInfo}. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| final class LeafBeanInfoImpl<BeanT> extends JaxBeanInfo<BeanT> { |
| |
| private final Loader loader; |
| private final Loader loaderWithSubst; |
| |
| private final Transducer<BeanT> xducer; |
| |
| /** |
| * Non-null only if the leaf is also an element. |
| */ |
| private final Name tagName; |
| |
| public LeafBeanInfoImpl(JAXBContextImpl grammar, RuntimeLeafInfo li) { |
| super(grammar,li,li.getClazz(),li.getTypeNames(),li.isElement(),true,false); |
| |
| xducer = li.getTransducer(); |
| loader = new TextLoader(xducer); |
| loaderWithSubst = new XsiTypeLoader(this); |
| |
| if(isElement()) |
| tagName = grammar.nameBuilder.createElementName(li.getElementName()); |
| else |
| tagName = null; |
| } |
| |
| @Override |
| public QName getTypeName(BeanT instance) { |
| QName tn = xducer.getTypeName(instance); |
| if(tn!=null) return tn; |
| // rely on default |
| return super.getTypeName(instance); |
| } |
| |
| public final String getElementNamespaceURI(BeanT t) { |
| return tagName.nsUri; |
| } |
| |
| public final String getElementLocalName(BeanT t) { |
| return tagName.localName; |
| } |
| |
| public BeanT createInstance(UnmarshallingContext context) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public final boolean reset(BeanT bean, UnmarshallingContext context) { |
| return false; |
| } |
| |
| public final String getId(BeanT bean, XMLSerializer target) { |
| return null; |
| } |
| |
| public final void serializeBody(BeanT bean, XMLSerializer w) throws SAXException, IOException, XMLStreamException { |
| // most of the times leaves are printed as leaf element/attribute property, |
| // so this code is only used for example when you have multiple XmlElement on a property |
| // and some of them are leaves. Hence this doesn't need to be super-fast. |
| try { |
| xducer.writeText(w,bean,null); |
| } catch (AccessorException e) { |
| w.reportError(null,e); |
| } |
| } |
| |
| public final void serializeAttributes(BeanT bean, XMLSerializer target) { |
| // noop |
| } |
| |
| public final void serializeRoot(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException { |
| if(tagName==null) { |
| target.reportError( |
| new ValidationEventImpl( |
| ValidationEvent.ERROR, |
| Messages.UNABLE_TO_MARSHAL_NON_ELEMENT.format(bean.getClass().getName()), |
| null, |
| null)); |
| } |
| else { |
| target.startElement(tagName,bean); |
| target.childAsSoleContent(bean,null); |
| target.endElement(); |
| } |
| } |
| |
| public final void serializeURIs(BeanT bean, XMLSerializer target) throws SAXException { |
| // TODO: maybe we should create another LeafBeanInfoImpl class for |
| // context-dependent xducers? |
| if(xducer.useNamespace()) { |
| try { |
| xducer.declareNamespace(bean,target); |
| } catch (AccessorException e) { |
| target.reportError(null,e); |
| } |
| } |
| } |
| |
| public final Loader getLoader(JAXBContextImpl context, boolean typeSubstitutionCapable) { |
| if(typeSubstitutionCapable) |
| return loaderWithSubst; |
| else |
| return loader; |
| } |
| |
| public Transducer<BeanT> getTransducer() { |
| return xducer; |
| } |
| } |