--- old/src/java.xml.bind/share/classes/com/sun/xml/internal/bind/v2/runtime/property/SingleElementLeafProperty.java 2018-01-30 20:34:03.000000000 -0500 +++ /dev/null 2018-01-30 20:34:03.000000000 -0500 @@ -1,191 +0,0 @@ -/* - * Copyright (c) 1997, 2013, 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.property; - -import java.io.IOException; -import java.lang.reflect.Modifier; - -import javax.xml.bind.JAXBElement; -import javax.xml.stream.XMLStreamException; - -import com.sun.xml.internal.bind.api.AccessorException; -import com.sun.xml.internal.bind.v2.model.core.ID; -import com.sun.xml.internal.bind.v2.model.core.PropertyKind; -import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementPropertyInfo; -import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeRef; -import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl; -import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl; -import com.sun.xml.internal.bind.v2.runtime.Name; -import com.sun.xml.internal.bind.v2.runtime.XMLSerializer; -import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor; -import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LeafPropertyLoader; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LeafPropertyXsiLoader; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader; -import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiNilLoader; -import com.sun.xml.internal.bind.v2.util.QNameMap; - -import org.xml.sax.SAXException; - -/** - * {@link Property} that contains a leaf value. - * - * @author Kohsuke Kawaguchi (kk@kohsuke.org) - */ -final class SingleElementLeafProperty extends PropertyImpl { - - private final Name tagName; - private final boolean nillable; - private final Accessor acc; - private final String defaultValue; - private final TransducedAccessor xacc; - private final boolean improvedXsiTypeHandling; - private final boolean idRef; - - public SingleElementLeafProperty(JAXBContextImpl context, RuntimeElementPropertyInfo prop) { - super(context, prop); - RuntimeTypeRef ref = prop.getTypes().get(0); - tagName = context.nameBuilder.createElementName(ref.getTagName()); - assert tagName != null; - nillable = ref.isNillable(); - defaultValue = ref.getDefaultValue(); - this.acc = prop.getAccessor().optimize(context); - - xacc = TransducedAccessor.get(context, ref); - assert xacc != null; - - improvedXsiTypeHandling = context.improvedXsiTypeHandling; - idRef = ref.getSource().id() == ID.IDREF; - } - - public void reset(BeanT o) throws AccessorException { - acc.set(o, null); - } - - public String getIdValue(BeanT bean) throws AccessorException, SAXException { - return xacc.print(bean).toString(); - } - - @Override - public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException { - boolean hasValue = xacc.hasValue(o); - - Object obj = null; - - try { - obj = acc.getUnadapted(o); - } catch (AccessorException ae) { - ; // noop - } - - Class valueType = acc.getValueType(); - - // check for different type than expected. If found, add xsi:type declaration - if (xsiTypeNeeded(o, w, obj, valueType)) { - w.startElement(tagName, outerPeer); - w.childAsXsiType(obj, fieldName, w.grammar.getBeanInfo(valueType), false); - w.endElement(); - } else { // current type is expected - if (hasValue) { - xacc.writeLeafElement(w, tagName, o, fieldName); - } else if (nillable) { - w.startElement(tagName, null); - w.writeXsiNilTrue(); - w.endElement(); - } - } - } - - /** - * Checks if xsi type needed to be specified - */ - private boolean xsiTypeNeeded(BeanT bean, XMLSerializer w, Object value, Class valueTypeClass) { - if (!improvedXsiTypeHandling) // improved xsi type set - return false; - if (acc.isAdapted()) // accessor is not adapted - return false; - if (value == null) // value is not null - return false; - if (value.getClass().equals(valueTypeClass)) // value represented by different class - return false; - if (idRef) // IDREF - return false; - if (valueTypeClass.isPrimitive()) // is not primitive - return false; - return acc.isValueTypeAbstractable() || isNillableAbstract(bean, w.grammar, value, valueTypeClass); - } - - /** - * Checks if element is nillable and represented by abstract class. - */ - private boolean isNillableAbstract(BeanT bean, JAXBContextImpl context, Object value, Class valueTypeClass) { - if (!nillable) // check if element is nillable - return false; - if (valueTypeClass != Object.class) // required type wasn't recognized - return false; - if (bean.getClass() != JAXBElement.class) // is JAXBElement - return false; - JAXBElement jaxbElement = (JAXBElement) bean; - Class valueClass = value.getClass(); - Class declaredTypeClass = jaxbElement.getDeclaredType(); - if (declaredTypeClass.equals(valueClass)) // JAXBElement is different from unadapted class) - return false; - if (!declaredTypeClass.isAssignableFrom(valueClass)) // and is subclass from it - return false; - if (!Modifier.isAbstract(declaredTypeClass.getModifiers())) // declared class is abstract - return false; - return acc.isAbstractable(declaredTypeClass); // and is not builtin type - } - - public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap handlers) { - Loader l = new LeafPropertyLoader(xacc); - if (defaultValue != null) - l = new DefaultValueLoaderDecorator(l, defaultValue); - if (nillable || chain.context.allNillable) - l = new XsiNilLoader.Single(l, acc); - - // LeafPropertyXsiLoader doesn't work well with nillable elements - if (improvedXsiTypeHandling) - l = new LeafPropertyXsiLoader(l, xacc, acc); - - handlers.put(tagName, new ChildLoader(l, null)); - } - - - public PropertyKind getKind() { - return PropertyKind.ELEMENT; - } - - @Override - public Accessor getElementPropertyAccessor(String nsUri, String localName) { - if (tagName.equals(nsUri, localName)) - return acc; - else - return null; - } -}