| /* |
| * 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.model.core.PropertyKind; |
| import org.glassfish.jaxb.core.v2.model.core.TypeRef; |
| import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeElementPropertyInfo; |
| import org.glassfish.jaxb.runtime.v2.model.runtime.RuntimeTypeRef; |
| import org.glassfish.jaxb.core.v2.runtime.RuntimeUtil; |
| import org.glassfish.jaxb.runtime.v2.runtime.*; |
| import org.glassfish.jaxb.runtime.v2.runtime.reflect.Accessor; |
| import org.glassfish.jaxb.runtime.v2.runtime.reflect.ListIterator; |
| import org.glassfish.jaxb.runtime.v2.runtime.reflect.Lister; |
| import org.glassfish.jaxb.runtime.v2.runtime.reflect.NullSafeAccessor; |
| import org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.*; |
| import org.glassfish.jaxb.runtime.v2.util.QNameMap; |
| import jakarta.xml.bind.JAXBException; |
| import org.xml.sax.SAXException; |
| |
| import javax.xml.stream.XMLStreamException; |
| import java.io.IOException; |
| import java.lang.reflect.Type; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * {@link Property} implementation for multi-value property that maps to an element. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| abstract class ArrayElementProperty<BeanT,ListT,ItemT> extends ArrayERProperty<BeanT,ListT,ItemT> { |
| |
| private final Map<Class,TagAndType> typeMap = new HashMap<Class,TagAndType>(); |
| /** |
| * Set by the constructor and reset in the {@link #wrapUp()} method. |
| */ |
| private Map<TypeRef<Type,Class>, JaxBeanInfo> refs = new HashMap<TypeRef<Type, Class>, JaxBeanInfo>(); |
| /** |
| * Set by the constructor and reset in the {@link #wrapUp()} method. |
| */ |
| protected RuntimeElementPropertyInfo prop; |
| |
| /** |
| * Tag name used when we see null in the collection. Can be null. |
| */ |
| private final Name nillableTagName; |
| |
| protected ArrayElementProperty(JAXBContextImpl grammar, RuntimeElementPropertyInfo prop) { |
| super(grammar, prop, prop.getXmlName(), prop.isCollectionNillable()); |
| this.prop = prop; |
| |
| List<? extends RuntimeTypeRef> types = prop.getTypes(); |
| |
| Name n = null; |
| |
| for (RuntimeTypeRef typeRef : types) { |
| Class type = (Class)typeRef.getTarget().getType(); |
| if(type.isPrimitive()) |
| type = RuntimeUtil.primitiveToBox.get(type); |
| |
| JaxBeanInfo beanInfo = grammar.getOrCreate(typeRef.getTarget()); |
| TagAndType tt = new TagAndType( |
| grammar.nameBuilder.createElementName(typeRef.getTagName()), |
| beanInfo); |
| typeMap.put(type,tt); |
| refs.put(typeRef,beanInfo); |
| if(typeRef.isNillable() && n==null) |
| n = tt.tagName; |
| } |
| |
| nillableTagName = n; |
| } |
| |
| @Override |
| public void wrapUp() { |
| super.wrapUp(); |
| refs = null; |
| prop = null; // avoid keeping model objects live |
| } |
| |
| protected void serializeListBody(BeanT beanT, XMLSerializer w, ListT list) throws IOException, XMLStreamException, SAXException, AccessorException { |
| ListIterator<ItemT> itr = lister.iterator(list, w); |
| |
| boolean isIdref = itr instanceof Lister.IDREFSIterator; // UGLY |
| |
| while(itr.hasNext()) { |
| try { |
| ItemT item = itr.next(); |
| if (item != null) { |
| Class itemType = item.getClass(); |
| if(isIdref) |
| // This should be the only place where we need to be aware |
| // that the iterator is iterating IDREFS. |
| itemType = ((Lister.IDREFSIterator)itr).last().getClass(); |
| |
| // normally, this returns non-null |
| TagAndType tt = typeMap.get(itemType); |
| while(tt==null && itemType!=null) { |
| // otherwise we'll just have to try the slow way |
| itemType = itemType.getSuperclass(); |
| tt = typeMap.get(itemType); |
| } |
| |
| if(tt==null) { |
| // item is not of the expected type. |
| // w.reportError(new ValidationEventImpl(ValidationEvent.ERROR, |
| // Messages.UNEXPECTED_JAVA_TYPE.format( |
| // item.getClass().getName(), |
| // getExpectedClassNameList() |
| // ), |
| // w.getCurrentLocation(fieldName))); |
| // continue; |
| |
| // see the similar code in SingleElementNodeProperty. |
| // for the purpose of simple type substitution, make it a non-error |
| |
| w.startElement(typeMap.values().iterator().next().tagName,null); |
| w.childAsXsiType(item,fieldName,w.grammar.getBeanInfo(Object.class), false); |
| } else { |
| w.startElement(tt.tagName,null); |
| serializeItem(tt.beanInfo,item,w); |
| } |
| |
| w.endElement(); |
| } else { |
| if(nillableTagName!=null) { |
| w.startElement(nillableTagName,null); |
| w.writeXsiNilTrue(); |
| w.endElement(); |
| } |
| } |
| } catch (JAXBException e) { |
| w.reportError(fieldName,e); |
| // recover by ignoring this item |
| } |
| } |
| } |
| |
| /** |
| * Serializes one item of the property. |
| */ |
| protected abstract void serializeItem(JaxBeanInfo expected, ItemT item, XMLSerializer w) throws SAXException, AccessorException, IOException, XMLStreamException; |
| |
| |
| public void createBodyUnmarshaller(UnmarshallerChain chain, QNameMap<ChildLoader> loaders) { |
| |
| // all items go to the same lister, |
| // so they should share the same offset. |
| int offset = chain.allocateOffset(); |
| Receiver recv = new ReceiverImpl(offset); |
| |
| for (RuntimeTypeRef typeRef : prop.getTypes()) { |
| |
| Name tagName = chain.context.nameBuilder.createElementName(typeRef.getTagName()); |
| Loader item = createItemUnmarshaller(chain,typeRef); |
| |
| if(typeRef.isNillable() || chain.context.allNillable) |
| item = new XsiNilLoader.Array(item); |
| if(typeRef.getDefaultValue()!=null) |
| item = new DefaultValueLoaderDecorator(item,typeRef.getDefaultValue()); |
| |
| loaders.put(tagName,new ChildLoader(item,recv)); |
| } |
| } |
| |
| public final PropertyKind getKind() { |
| return PropertyKind.ELEMENT; |
| } |
| |
| /** |
| * Creates a loader handler that unmarshals the body of the item. |
| * |
| * <p> |
| * This will be sandwiched into <item> ... </item>. |
| * |
| * <p> |
| * When unmarshalling the body of item, the Pack of {@link Lister} is available |
| * as the handler state. |
| * |
| * @param chain |
| * @param typeRef |
| */ |
| private Loader createItemUnmarshaller(UnmarshallerChain chain, RuntimeTypeRef typeRef) { |
| if(PropertyFactory.isLeaf(typeRef.getSource())) { |
| final Transducer xducer = typeRef.getTransducer(); |
| return new TextLoader(xducer); |
| } else { |
| return refs.get(typeRef).getLoader(chain.context,true); |
| } |
| } |
| |
| public Accessor getElementPropertyAccessor(String nsUri, String localName) { |
| if(wrapperTagName!=null) { |
| if(wrapperTagName.equals(nsUri,localName)) |
| return acc; |
| } else { |
| for (TagAndType tt : typeMap.values()) { |
| if(tt.tagName.equals(nsUri,localName)) |
| // when we can't distinguish null and empty list, JAX-WS doesn't want to see |
| // null (just like any user apps), but since we are providing a raw accessor, |
| // which just grabs the value from the field, we wrap it so that it won't return |
| // null. |
| return new NullSafeAccessor<BeanT,ListT,Object>(acc,lister); |
| } |
| } |
| return null; |
| } |
| } |