com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2019 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 com.sun.xml.bind.v2.runtime;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.bind.ValidationEvent;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.helpers.ValidationEventImpl;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import com.sun.istack.FinalArrayList;
import com.sun.xml.bind.api.AccessorException;
import com.sun.xml.bind.v2.ClassFactory;
import com.sun.xml.bind.v2.WellKnownNamespace;
import com.sun.xml.bind.v2.model.core.ID;
import com.sun.xml.bind.v2.model.runtime.RuntimeClassInfo;
import com.sun.xml.bind.v2.model.runtime.RuntimePropertyInfo;
import com.sun.xml.bind.v2.runtime.property.AttributeProperty;
import com.sun.xml.bind.v2.runtime.property.Property;
import com.sun.xml.bind.v2.runtime.property.PropertyFactory;
import com.sun.xml.bind.v2.runtime.reflect.Accessor;
import com.sun.xml.bind.v2.runtime.unmarshaller.Loader;
import com.sun.xml.bind.v2.runtime.unmarshaller.StructureLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext;
import com.sun.xml.bind.v2.runtime.unmarshaller.XsiTypeLoader;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.LocatorImpl;
/**
* {@link JaxBeanInfo} implementation for j2s bean.
*
* @author Kohsuke Kawaguchi ([email protected])
*/
public final class ClassBeanInfoImpl extends JaxBeanInfo implements AttributeAccessor {
/**
* Properties of this bean class but not its ancestor classes.
*/
public final Property[] properties;
/**
* Non-null if this bean has an ID property.
*/
private Property idProperty;
/**
* Immutable configured loader for this class.
*
*
* Set from the link method, but considered final.
*/
private Loader loader;
private Loader loaderWithTypeSubst;
/**
* Set only until the link phase to avoid leaking memory.
*/
private RuntimeClassInfo ci;
private final Accessor> inheritedAttWildcard;
private final Transducer xducer;
/**
* {@link ClassBeanInfoImpl} that represents the super class of {@link #jaxbType}.
*/
public final ClassBeanInfoImpl superClazz;
private final Accessor xmlLocatorField;
private final Name tagName;
private boolean retainPropertyInfo = false;
/**
* The {@link AttributeProperty}s for this type and all its ancestors.
* If {@link JAXBContextImpl#c14nSupport} is true, this is sorted alphabetically.
*/
private /*final*/ AttributeProperty[] attributeProperties;
/**
* {@link Property}s that need to receive {@link Property#serializeURIs(Object, XMLSerializer)} callback.
*/
private /*final*/ Property[] uriProperties;
private final Method factoryMethod;
/*package*/ ClassBeanInfoImpl(JAXBContextImpl owner, RuntimeClassInfo ci) {
super(owner,ci,ci.getClazz(),ci.getTypeName(),ci.isElement(),false,true);
this.ci = ci;
this.inheritedAttWildcard = ci.getAttributeWildcard();
this.xducer = ci.getTransducer();
this.factoryMethod = ci.getFactoryMethod();
this.retainPropertyInfo = owner.retainPropertyInfo;
// make the factory accessible
if(factoryMethod!=null) {
int classMod = factoryMethod.getDeclaringClass().getModifiers();
if(!Modifier.isPublic(classMod) || !Modifier.isPublic(factoryMethod.getModifiers())) {
// attempt to make it work even if the constructor is not accessible
try {
factoryMethod.setAccessible(true);
} catch(SecurityException e) {
// but if we don't have a permission to do so, work gracefully.
logger.log(Level.FINE,"Unable to make the method of "+factoryMethod+" accessible",e);
throw e;
}
}
}
if(ci.getBaseClass()==null)
this.superClazz = null;
else
this.superClazz = owner.getOrCreate(ci.getBaseClass());
if(superClazz!=null && superClazz.xmlLocatorField!=null)
xmlLocatorField = superClazz.xmlLocatorField;
else
xmlLocatorField = ci.getLocatorField();
// create property objects
Collection ps = ci.getProperties();
this.properties = new Property[ps.size()];
int idx=0;
boolean elementOnly = true;
for( RuntimePropertyInfo info : ps ) {
Property p = PropertyFactory.create(owner,info);
if(info.id()==ID.ID)
idProperty = p;
properties[idx++] = p;
elementOnly &= info.elementOnlyContent();
checkOverrideProperties(p);
}
// super class' idProperty might not be computed at this point,
// so check that later
hasElementOnlyContentModel( elementOnly );
// again update this value later when we know that of the super class
if(ci.isElement())
tagName = owner.nameBuilder.createElementName(ci.getElementName());
else
tagName = null;
setLifecycleFlags();
}
private void checkOverrideProperties(Property p) {
ClassBeanInfoImpl bi = this;
while ((bi = bi.superClazz) != null) {
Property[] props = bi.properties;
if (props == null) break;
for (Property superProperty : props) {
if (superProperty != null) {
String spName = superProperty.getFieldName();
if ((spName != null) && (spName.equals(p.getFieldName()))) {
superProperty.setHiddenByOverride(true);
}
}
}
}
}
@Override
protected void link(JAXBContextImpl grammar) {
if(uriProperties!=null)
return; // avoid linking twice
super.link(grammar);
if(superClazz!=null)
superClazz.link(grammar);
getLoader(grammar,true); // make sure to build the loader if we haven't done so.
// propagate values from super class
if(superClazz!=null) {
if(idProperty==null)
idProperty = superClazz.idProperty;
if(!superClazz.hasElementOnlyContentModel())
hasElementOnlyContentModel(false);
}
// create a list of attribute/URI handlers
List attProps = new FinalArrayList();
List uriProps = new FinalArrayList();
for (ClassBeanInfoImpl bi = this; bi != null; bi = bi.superClazz) {
for (int i = 0; i < bi.properties.length; i++) {
Property p = bi.properties[i];
if(p instanceof AttributeProperty)
attProps.add((AttributeProperty) p);
if(p.hasSerializeURIAction())
uriProps.add(p);
}
}
if(grammar.c14nSupport)
Collections.sort(attProps);
if(attProps.isEmpty())
attributeProperties = EMPTY_PROPERTIES;
else
attributeProperties = attProps.toArray(new AttributeProperty[attProps.size()]);
if(uriProps.isEmpty())
uriProperties = EMPTY_PROPERTIES;
else
uriProperties = uriProps.toArray(new Property[uriProps.size()]);
}
@Override
public void wrapUp() {
for (Property p : properties)
p.wrapUp();
ci = null;
super.wrapUp();
}
public String getElementNamespaceURI(BeanT bean) {
return tagName.nsUri;
}
public String getElementLocalName(BeanT bean) {
return tagName.localName;
}
public BeanT createInstance(UnmarshallingContext context) throws IllegalAccessException, InvocationTargetException, InstantiationException, SAXException {
BeanT bean = null;
if (factoryMethod == null){
bean = ClassFactory.create0(jaxbType);
}else {
Object o = ClassFactory.create(factoryMethod);
if( jaxbType.isInstance(o) ){
bean = (BeanT)o;
} else {
throw new InstantiationException("The factory method didn't return a correct object");
}
}
if(xmlLocatorField!=null)
// need to copy because Locator is mutable
try {
xmlLocatorField.set(bean,new LocatorImpl(context.getLocator()));
} catch (AccessorException e) {
context.handleError(e);
}
return bean;
}
public boolean reset(BeanT bean, UnmarshallingContext context) throws SAXException {
try {
if(superClazz!=null)
superClazz.reset(bean,context);
for( Property p : properties )
p.reset(bean);
return true;
} catch (AccessorException e) {
context.handleError(e);
return false;
}
}
public String getId(BeanT bean, XMLSerializer target) throws SAXException {
if(idProperty!=null) {
try {
return idProperty.getIdValue(bean);
} catch (AccessorException e) {
target.reportError(null,e);
}
}
return null;
}
public void serializeRoot(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
if(tagName==null) {
Class beanClass = bean.getClass();
String message;
if (beanClass.isAnnotationPresent(XmlRootElement.class)) {
message = Messages.UNABLE_TO_MARSHAL_UNBOUND_CLASS.format(beanClass.getName());
} else {
message = Messages.UNABLE_TO_MARSHAL_NON_ELEMENT.format(beanClass.getName());
}
target.reportError(new ValidationEventImpl(ValidationEvent.ERROR,message,null, null));
} else {
target.startElement(tagName,bean);
target.childAsSoleContent(bean,null);
target.endElement();
if (retainPropertyInfo) {
target.currentProperty.remove();
}
}
}
public void serializeBody(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
if (superClazz != null) {
superClazz.serializeBody(bean, target);
}
try {
for (Property p : properties) {
if (retainPropertyInfo) {
target.currentProperty.set(p);
}
boolean isThereAnOverridingProperty = p.isHiddenByOverride();
if (!isThereAnOverridingProperty || bean.getClass().equals(jaxbType)) {
p.serializeBody(bean, target, null);
} else if (isThereAnOverridingProperty) {
// need to double check the override - it should be safe to do after the model has been created because it's targeted to override properties only
Class beanClass = bean.getClass();
if (Utils.REFLECTION_NAVIGATOR.getDeclaredField(beanClass, p.getFieldName()) == null) {
p.serializeBody(bean, target, null);
}
}
}
} catch (AccessorException e) {
target.reportError(null, e);
}
}
public void serializeAttributes(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
for( AttributeProperty p : attributeProperties )
try {
if (retainPropertyInfo) {
final Property parentProperty = target.getCurrentProperty();
target.currentProperty.set(p);
p.serializeAttributes(bean,target);
target.currentProperty.set(parentProperty);
} else {
p.serializeAttributes(bean,target);
}
if (p.attName.equals(WellKnownNamespace.XML_SCHEMA_INSTANCE, "nil")) {
isNilIncluded = true;
}
} catch (AccessorException e) {
target.reportError(null,e);
}
try {
if(inheritedAttWildcard!=null) {
Map map = inheritedAttWildcard.get(bean);
target.attWildcardAsAttributes(map,null);
}
} catch (AccessorException e) {
target.reportError(null,e);
}
}
public void serializeURIs(BeanT bean, XMLSerializer target) throws SAXException {
try {
if (retainPropertyInfo) {
final Property parentProperty = target.getCurrentProperty();
for( Property p : uriProperties ) {
target.currentProperty.set(p);
p.serializeURIs(bean,target);
}
target.currentProperty.set(parentProperty);
} else {
for( Property p : uriProperties ) {
p.serializeURIs(bean,target);
}
}
if(inheritedAttWildcard!=null) {
Map map = inheritedAttWildcard.get(bean);
target.attWildcardAsURIs(map,null);
}
} catch (AccessorException e) {
target.reportError(null,e);
}
}
public Loader getLoader(JAXBContextImpl context, boolean typeSubstitutionCapable) {
if(loader==null) {
// these variables have to be set before they are initialized,
// because the initialization may build other loaders and they may refer to this.
StructureLoader sl = new StructureLoader(this);
loader = sl;
if(ci.hasSubClasses())
loaderWithTypeSubst = new XsiTypeLoader(this);
else
// optimization. we know there can be no @xsi:type
loaderWithTypeSubst = loader;
sl.init(context,this,ci.getAttributeWildcard());
}
if(typeSubstitutionCapable)
return loaderWithTypeSubst;
else
return loader;
}
public Transducer getTransducer() {
return xducer;
}
private static final AttributeProperty[] EMPTY_PROPERTIES = new AttributeProperty[0];
private static final Logger logger = com.sun.xml.bind.Utils.getClassLogger();
}