/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.xml.bind.v2.runtime;
import java.io.IOException;
import javax.xml.bind.ValidationEvent;
import javax.xml.bind.helpers.ValidationEventImpl;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import com.sun.xml.bind.api.AccessorException;
import com.sun.xml.bind.v2.model.runtime.RuntimeLeafInfo;
import com.sun.xml.bind.v2.runtime.unmarshaller.Loader;
import com.sun.xml.bind.v2.runtime.unmarshaller.TextLoader;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext;
import com.sun.xml.bind.v2.runtime.unmarshaller.XsiTypeLoader;
import org.xml.sax.SAXException;
/**
* {@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;
}
}