src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/property/SingleElementLeafProperty.java

Fri, 04 Oct 2013 16:21:34 +0100

author
mkos
date
Fri, 04 Oct 2013 16:21:34 +0100
changeset 408
b0610cd08440
parent 368
0989ad8c0860
child 637
9c07ef4934dd
permissions
-rw-r--r--

8025054: Update JAX-WS RI integration to 2.2.9-b130926.1035
Reviewed-by: chegar

ohair@286 1 /*
ohair@286 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
ohair@286 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286 4 *
ohair@286 5 * This code is free software; you can redistribute it and/or modify it
ohair@286 6 * under the terms of the GNU General Public License version 2 only, as
ohair@286 7 * published by the Free Software Foundation. Oracle designates this
ohair@286 8 * particular file as subject to the "Classpath" exception as provided
ohair@286 9 * by Oracle in the LICENSE file that accompanied this code.
ohair@286 10 *
ohair@286 11 * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ohair@286 14 * version 2 for more details (a copy is included in the LICENSE file that
ohair@286 15 * accompanied this code).
ohair@286 16 *
ohair@286 17 * You should have received a copy of the GNU General Public License version
ohair@286 18 * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286 20 *
ohair@286 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286 22 * or visit www.oracle.com if you need additional information or have any
ohair@286 23 * questions.
ohair@286 24 */
ohair@286 25
ohair@286 26 package com.sun.xml.internal.bind.v2.runtime.property;
ohair@286 27
ohair@286 28 import java.io.IOException;
alanb@368 29 import java.lang.reflect.Modifier;
ohair@286 30
alanb@368 31 import javax.xml.bind.JAXBElement;
ohair@286 32 import javax.xml.stream.XMLStreamException;
ohair@286 33
ohair@286 34 import com.sun.xml.internal.bind.api.AccessorException;
alanb@368 35 import com.sun.xml.internal.bind.v2.model.core.ID;
ohair@286 36 import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
ohair@286 37 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementPropertyInfo;
ohair@286 38 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeRef;
alanb@368 39 import com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl;
ohair@286 40 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
ohair@286 41 import com.sun.xml.internal.bind.v2.runtime.Name;
ohair@286 42 import com.sun.xml.internal.bind.v2.runtime.XMLSerializer;
ohair@286 43 import com.sun.xml.internal.bind.v2.runtime.reflect.Accessor;
ohair@286 44 import com.sun.xml.internal.bind.v2.runtime.reflect.TransducedAccessor;
ohair@286 45 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.ChildLoader;
ohair@286 46 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.DefaultValueLoaderDecorator;
ohair@286 47 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LeafPropertyLoader;
ohair@286 48 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.LeafPropertyXsiLoader;
ohair@286 49 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
ohair@286 50 import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiNilLoader;
ohair@286 51 import com.sun.xml.internal.bind.v2.util.QNameMap;
ohair@286 52
ohair@286 53 import org.xml.sax.SAXException;
ohair@286 54
ohair@286 55 /**
ohair@286 56 * {@link Property} that contains a leaf value.
ohair@286 57 *
ohair@286 58 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
ohair@286 59 */
ohair@286 60 final class SingleElementLeafProperty<BeanT> extends PropertyImpl<BeanT> {
ohair@286 61
ohair@286 62 private final Name tagName;
ohair@286 63 private final boolean nillable;
ohair@286 64 private final Accessor acc;
ohair@286 65 private final String defaultValue;
ohair@286 66 private final TransducedAccessor<BeanT> xacc;
ohair@286 67 private final boolean improvedXsiTypeHandling;
alanb@368 68 private final boolean idRef;
ohair@286 69
ohair@286 70 public SingleElementLeafProperty(JAXBContextImpl context, RuntimeElementPropertyInfo prop) {
ohair@286 71 super(context, prop);
ohair@286 72 RuntimeTypeRef ref = prop.getTypes().get(0);
ohair@286 73 tagName = context.nameBuilder.createElementName(ref.getTagName());
ohair@286 74 assert tagName != null;
ohair@286 75 nillable = ref.isNillable();
ohair@286 76 defaultValue = ref.getDefaultValue();
ohair@286 77 this.acc = prop.getAccessor().optimize(context);
ohair@286 78
ohair@286 79 xacc = TransducedAccessor.get(context, ref);
ohair@286 80 assert xacc != null;
ohair@286 81
ohair@286 82 improvedXsiTypeHandling = context.improvedXsiTypeHandling;
alanb@368 83 idRef = ref.getSource().id() == ID.IDREF;
ohair@286 84 }
ohair@286 85
ohair@286 86 public void reset(BeanT o) throws AccessorException {
ohair@286 87 acc.set(o, null);
ohair@286 88 }
ohair@286 89
ohair@286 90 public String getIdValue(BeanT bean) throws AccessorException, SAXException {
ohair@286 91 return xacc.print(bean).toString();
ohair@286 92 }
ohair@286 93
ohair@286 94 @Override
ohair@286 95 public void serializeBody(BeanT o, XMLSerializer w, Object outerPeer) throws SAXException, AccessorException, IOException, XMLStreamException {
ohair@286 96 boolean hasValue = xacc.hasValue(o);
ohair@286 97
ohair@286 98 Object obj = null;
ohair@286 99
ohair@286 100 try {
ohair@286 101 obj = acc.getUnadapted(o);
ohair@286 102 } catch (AccessorException ae) {
ohair@286 103 ; // noop
ohair@286 104 }
ohair@286 105
ohair@286 106 Class valueType = acc.getValueType();
ohair@286 107
ohair@286 108 // check for different type than expected. If found, add xsi:type declaration
alanb@368 109 if (xsiTypeNeeded(o, w, obj, valueType)) {
ohair@286 110 w.startElement(tagName, outerPeer);
alanb@368 111 w.childAsXsiType(obj, fieldName, w.grammar.getBeanInfo(valueType), false);
ohair@286 112 w.endElement();
ohair@286 113 } else { // current type is expected
ohair@286 114 if (hasValue) {
ohair@286 115 xacc.writeLeafElement(w, tagName, o, fieldName);
ohair@286 116 } else if (nillable) {
ohair@286 117 w.startElement(tagName, null);
ohair@286 118 w.writeXsiNilTrue();
ohair@286 119 w.endElement();
ohair@286 120 }
ohair@286 121 }
ohair@286 122 }
ohair@286 123
alanb@368 124 /**
alanb@368 125 * Checks if xsi type needed to be specified
alanb@368 126 */
alanb@368 127 private boolean xsiTypeNeeded(BeanT bean, XMLSerializer w, Object value, Class valueTypeClass) {
alanb@368 128 if (!improvedXsiTypeHandling) // improved xsi type set
alanb@368 129 return false;
alanb@368 130 if (acc.isAdapted()) // accessor is not adapted
alanb@368 131 return false;
alanb@368 132 if (value == null) // value is not null
alanb@368 133 return false;
alanb@368 134 if (value.getClass().equals(valueTypeClass)) // value represented by different class
alanb@368 135 return false;
alanb@368 136 if (idRef) // IDREF
alanb@368 137 return false;
alanb@368 138 if (valueTypeClass.isPrimitive()) // is not primitive
alanb@368 139 return false;
alanb@368 140 return acc.isValueTypeAbstractable() || isNillableAbstract(bean, w.grammar, value, valueTypeClass);
alanb@368 141 }
alanb@368 142
alanb@368 143 /**
alanb@368 144 * Checks if element is nillable and represented by abstract class.
alanb@368 145 */
alanb@368 146 private boolean isNillableAbstract(BeanT bean, JAXBContextImpl context, Object value, Class valueTypeClass) {
alanb@368 147 if (!nillable) // check if element is nillable
alanb@368 148 return false;
alanb@368 149 if (valueTypeClass != Object.class) // required type wasn't recognized
alanb@368 150 return false;
alanb@368 151 if (bean.getClass() != JAXBElement.class) // is JAXBElement
alanb@368 152 return false;
alanb@368 153 JAXBElement jaxbElement = (JAXBElement) bean;
alanb@368 154 Class valueClass = value.getClass();
alanb@368 155 Class declaredTypeClass = jaxbElement.getDeclaredType();
alanb@368 156 if (declaredTypeClass.equals(valueClass)) // JAXBElement<class> is different from unadapted class)
alanb@368 157 return false;
alanb@368 158 if (!declaredTypeClass.isAssignableFrom(valueClass)) // and is subclass from it
alanb@368 159 return false;
alanb@368 160 if (!Modifier.isAbstract(declaredTypeClass.getModifiers())) // declared class is abstract
alanb@368 161 return false;
alanb@368 162 return acc.isAbstractable(declaredTypeClass); // and is not builtin type
alanb@368 163 }
alanb@368 164
ohair@286 165 public void buildChildElementUnmarshallers(UnmarshallerChain chain, QNameMap<ChildLoader> handlers) {
ohair@286 166 Loader l = new LeafPropertyLoader(xacc);
ohair@286 167 if (defaultValue != null)
ohair@286 168 l = new DefaultValueLoaderDecorator(l, defaultValue);
ohair@286 169 if (nillable || chain.context.allNillable)
ohair@286 170 l = new XsiNilLoader.Single(l, acc);
ohair@286 171
ohair@286 172 // LeafPropertyXsiLoader doesn't work well with nillable elements
alanb@368 173 if (improvedXsiTypeHandling)
ohair@286 174 l = new LeafPropertyXsiLoader(l, xacc, acc);
ohair@286 175
ohair@286 176 handlers.put(tagName, new ChildLoader(l, null));
ohair@286 177 }
ohair@286 178
ohair@286 179
ohair@286 180 public PropertyKind getKind() {
ohair@286 181 return PropertyKind.ELEMENT;
ohair@286 182 }
ohair@286 183
ohair@286 184 @Override
ohair@286 185 public Accessor getElementPropertyAccessor(String nsUri, String localName) {
ohair@286 186 if (tagName.equals(nsUri, localName))
ohair@286 187 return acc;
ohair@286 188 else
ohair@286 189 return null;
ohair@286 190 }
ohair@286 191 }

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