aoqi@0: /*
aoqi@0: * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0: *
aoqi@0: * This code is free software; you can redistribute it and/or modify it
aoqi@0: * under the terms of the GNU General Public License version 2 only, as
aoqi@0: * published by the Free Software Foundation. Oracle designates this
aoqi@0: * particular file as subject to the "Classpath" exception as provided
aoqi@0: * by Oracle in the LICENSE file that accompanied this code.
aoqi@0: *
aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0: * accompanied this code).
aoqi@0: *
aoqi@0: * You should have received a copy of the GNU General Public License version
aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0: *
aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0: * or visit www.oracle.com if you need additional information or have any
aoqi@0: * questions.
aoqi@0: */
aoqi@0:
aoqi@0: package com.sun.xml.internal.bind.v2.runtime;
aoqi@0:
aoqi@0: import java.io.IOException;
aoqi@0:
aoqi@0: import javax.xml.bind.ValidationEvent;
aoqi@0: import javax.xml.bind.helpers.ValidationEventImpl;
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: import javax.xml.stream.XMLStreamException;
aoqi@0:
aoqi@0: import com.sun.xml.internal.bind.api.AccessorException;
aoqi@0: import com.sun.xml.internal.bind.v2.model.runtime.RuntimeLeafInfo;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.Loader;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.TextLoader;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.UnmarshallingContext;
aoqi@0: import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiTypeLoader;
aoqi@0:
aoqi@0: import org.xml.sax.SAXException;
aoqi@0:
aoqi@0: /**
aoqi@0: * {@link JaxBeanInfo} implementation for immutable leaf classes.
aoqi@0: *
aoqi@0: *
aoqi@0: * Leaf classes are always bound to a text and they are often immutable.
aoqi@0: * The JAXB spec allows this binding for a few special Java classes plus
aoqi@0: * type-safe enums.
aoqi@0: *
aoqi@0: *
aoqi@0: * This implementation obtains necessary information from {@link RuntimeLeafInfo}.
aoqi@0: *
aoqi@0: * @author Kohsuke Kawaguchi
aoqi@0: */
aoqi@0: final class LeafBeanInfoImpl extends JaxBeanInfo {
aoqi@0:
aoqi@0: private final Loader loader;
aoqi@0: private final Loader loaderWithSubst;
aoqi@0:
aoqi@0: private final Transducer xducer;
aoqi@0:
aoqi@0: /**
aoqi@0: * Non-null only if the leaf is also an element.
aoqi@0: */
aoqi@0: private final Name tagName;
aoqi@0:
aoqi@0: public LeafBeanInfoImpl(JAXBContextImpl grammar, RuntimeLeafInfo li) {
aoqi@0: super(grammar,li,li.getClazz(),li.getTypeNames(),li.isElement(),true,false);
aoqi@0:
aoqi@0: xducer = li.getTransducer();
aoqi@0: loader = new TextLoader(xducer);
aoqi@0: loaderWithSubst = new XsiTypeLoader(this);
aoqi@0:
aoqi@0: if(isElement())
aoqi@0: tagName = grammar.nameBuilder.createElementName(li.getElementName());
aoqi@0: else
aoqi@0: tagName = null;
aoqi@0: }
aoqi@0:
aoqi@0: @Override
aoqi@0: public QName getTypeName(BeanT instance) {
aoqi@0: QName tn = xducer.getTypeName(instance);
aoqi@0: if(tn!=null) return tn;
aoqi@0: // rely on default
aoqi@0: return super.getTypeName(instance);
aoqi@0: }
aoqi@0:
aoqi@0: public final String getElementNamespaceURI(BeanT t) {
aoqi@0: return tagName.nsUri;
aoqi@0: }
aoqi@0:
aoqi@0: public final String getElementLocalName(BeanT t) {
aoqi@0: return tagName.localName;
aoqi@0: }
aoqi@0:
aoqi@0: public BeanT createInstance(UnmarshallingContext context) {
aoqi@0: throw new UnsupportedOperationException();
aoqi@0: }
aoqi@0:
aoqi@0: public final boolean reset(BeanT bean, UnmarshallingContext context) {
aoqi@0: return false;
aoqi@0: }
aoqi@0:
aoqi@0: public final String getId(BeanT bean, XMLSerializer target) {
aoqi@0: return null;
aoqi@0: }
aoqi@0:
aoqi@0: public final void serializeBody(BeanT bean, XMLSerializer w) throws SAXException, IOException, XMLStreamException {
aoqi@0: // most of the times leaves are printed as leaf element/attribute property,
aoqi@0: // so this code is only used for example when you have multiple XmlElement on a property
aoqi@0: // and some of them are leaves. Hence this doesn't need to be super-fast.
aoqi@0: try {
aoqi@0: xducer.writeText(w,bean,null);
aoqi@0: } catch (AccessorException e) {
aoqi@0: w.reportError(null,e);
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: public final void serializeAttributes(BeanT bean, XMLSerializer target) {
aoqi@0: // noop
aoqi@0: }
aoqi@0:
aoqi@0: public final void serializeRoot(BeanT bean, XMLSerializer target) throws SAXException, IOException, XMLStreamException {
aoqi@0: if(tagName==null) {
aoqi@0: target.reportError(
aoqi@0: new ValidationEventImpl(
aoqi@0: ValidationEvent.ERROR,
aoqi@0: Messages.UNABLE_TO_MARSHAL_NON_ELEMENT.format(bean.getClass().getName()),
aoqi@0: null,
aoqi@0: null));
aoqi@0: }
aoqi@0: else {
aoqi@0: target.startElement(tagName,bean);
aoqi@0: target.childAsSoleContent(bean,null);
aoqi@0: target.endElement();
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: public final void serializeURIs(BeanT bean, XMLSerializer target) throws SAXException {
aoqi@0: // TODO: maybe we should create another LeafBeanInfoImpl class for
aoqi@0: // context-dependent xducers?
aoqi@0: if(xducer.useNamespace()) {
aoqi@0: try {
aoqi@0: xducer.declareNamespace(bean,target);
aoqi@0: } catch (AccessorException e) {
aoqi@0: target.reportError(null,e);
aoqi@0: }
aoqi@0: }
aoqi@0: }
aoqi@0:
aoqi@0: public final Loader getLoader(JAXBContextImpl context, boolean typeSubstitutionCapable) {
aoqi@0: if(typeSubstitutionCapable)
aoqi@0: return loaderWithSubst;
aoqi@0: else
aoqi@0: return loader;
aoqi@0: }
aoqi@0:
aoqi@0: public Transducer getTransducer() {
aoqi@0: return xducer;
aoqi@0: }
aoqi@0: }