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Pluggable databinding module employing Eclipselink JAXB (MOXy)
/*
* 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.ws.db.toplink;
import java.awt.Image;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.ParameterizedType;
import java.util.Map;
import javax.activation.DataHandler;
import javax.mail.internet.MimeMultipart;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.bind.attachment.AttachmentUnmarshaller;
import javax.xml.namespace.NamespaceContext;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXSource;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.WebServiceException;
import org.eclipse.persistence.jaxb.JAXBContext;
import org.eclipse.persistence.jaxb.JAXBMarshaller;
import org.eclipse.persistence.jaxb.JAXBTypeElement;
import org.eclipse.persistence.jaxb.JAXBUnmarshaller;
import org.eclipse.persistence.jaxb.TypeMappingInfo;
import org.eclipse.persistence.oxm.record.XMLStreamWriterRecord;
import org.eclipse.persistence.internal.oxm.record.XMLStreamReaderInputSource;
import org.eclipse.persistence.internal.oxm.record.XMLStreamReaderReader;
import org.jvnet.staxex.Base64Data;
import org.jvnet.staxex.XMLStreamReaderEx;
import org.jvnet.staxex.XMLStreamWriterEx;
import org.w3c.dom.Node;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import com.sun.xml.ws.spi.db.BindingContext;
import com.sun.xml.ws.spi.db.XMLBridge;
import com.sun.xml.ws.spi.db.TypeInfo;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class JAXBBond implements XMLBridge {
JAXBContextWrapper parent;
TypeInfo typeInfo;
TypeMappingInfo mappingInfo;
boolean isParameterizedType = false;
public JAXBBond(JAXBContextWrapper p, TypeInfo ti) {
this.parent = p;
this.typeInfo = ti;
if (parent.infoMap != null) {
mappingInfo = parent.infoMap.get(ti);
}
if (mappingInfo != null) {
isParameterizedType = (mappingInfo.getType() instanceof ParameterizedType);
}
}
@Override
public BindingContext context() {
return parent;
}
@Override
public TypeInfo getTypeInfo() {
return typeInfo;
}
@Override
public void marshal(T object, XMLStreamWriter output,
AttachmentMarshaller am) throws JAXBException {
JAXBMarshaller marshaller = null;
try {
marshaller = parent.mpool.allocate();
marshaller.setAttachmentMarshaller(am);
marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FRAGMENT,
true);
boolean isEx = (output instanceof XMLStreamWriterEx);
if (mappingInfo != null) {
if (isParameterizedType) {
JAXBTypeElement jte = new JAXBTypeElement(
mappingInfo.getXmlTagName(), object,
(ParameterizedType) mappingInfo.getType());
if (isEx) {
marshaller.marshal(jte, new NewStreamWriterRecord(
(XMLStreamWriterEx) output), mappingInfo);
} else {
marshaller.marshal(jte, output, mappingInfo);
}
} else {
JAXBElement elt = new JAXBElement(
mappingInfo.getXmlTagName(),
(Class) typeInfo.type, object);
if (isEx) {
marshaller.marshal(elt, new NewStreamWriterRecord(
(XMLStreamWriterEx) output), mappingInfo);
} else {
marshaller.marshal(elt, output, mappingInfo);
}
}
} else {
if (isEx) {
marshaller.marshal(object, new NewStreamWriterRecord(
(XMLStreamWriterEx) output));
} else {
marshaller.marshal(object, output);
}
}
} finally {
if (marshaller != null) {
marshaller.setAttachmentMarshaller(null);
parent.mpool.replace(marshaller);
}
}
}
// TODO NamespaceContext nsContext
@Override
public void marshal(T object, OutputStream output,
NamespaceContext nsContext, AttachmentMarshaller am)
throws JAXBException {
JAXBMarshaller marshaller = null;
try {
marshaller = parent.mpool.allocate();
marshaller.setAttachmentMarshaller(am);
marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FRAGMENT,
true);
if (mappingInfo != null) {
if (isParameterizedType) {
JAXBTypeElement jte = new JAXBTypeElement(
mappingInfo.getXmlTagName(), object,
(ParameterizedType) mappingInfo.getType());
marshaller.marshal(jte, new StreamResult(output),
mappingInfo);
} else {
JAXBElement elt = new JAXBElement(
mappingInfo.getXmlTagName(),
(Class) mappingInfo.getType(), object);
// marshaller.marshal(elt, output);
// GAG missing
marshaller.marshal(elt, new StreamResult(output),
mappingInfo);
}
} else {
marshaller.marshal(object, output);
}
} finally {
if (marshaller != null) {
marshaller.setAttachmentMarshaller(null);
parent.mpool.replace(marshaller);
}
}
}
@Override
public void marshal(T object, Node output) throws JAXBException {
JAXBMarshaller marshaller = null;
try {
marshaller = parent.mpool.allocate();
// marshaller.setAttachmentMarshaller(am);
marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FRAGMENT,
true);
if (mappingInfo != null) {
if (isParameterizedType) {
JAXBTypeElement jte = new JAXBTypeElement(
mappingInfo.getXmlTagName(), object,
(ParameterizedType) mappingInfo.getType());
marshaller.marshal(jte, new DOMResult(output), mappingInfo);
} else {
JAXBElement elt = new JAXBElement(
mappingInfo.getXmlTagName(),
(Class) mappingInfo.getType(), object);
// marshaller.marshal(elt, output);
marshaller.marshal(elt, new DOMResult(output), mappingInfo);
}
} else {
marshaller.marshal(object, output);
}
} finally {
if (marshaller != null) {
marshaller.setAttachmentMarshaller(null);
parent.mpool.replace(marshaller);
}
}
}
@Override
public void marshal(T object, ContentHandler contentHandler,
AttachmentMarshaller am) throws JAXBException {
JAXBMarshaller marshaller = null;
try {
marshaller = parent.mpool.allocate();
marshaller.setAttachmentMarshaller(am);
marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FRAGMENT,
true);
if (mappingInfo != null) {
if (isParameterizedType) {
JAXBTypeElement jte = new JAXBTypeElement(
mappingInfo.getXmlTagName(), object,
(ParameterizedType) mappingInfo.getType());
marshaller.marshal(jte, new SAXResult(contentHandler),
mappingInfo);
} else {
JAXBElement elt = new JAXBElement(
mappingInfo.getXmlTagName(),
(Class) mappingInfo.getType(), object);
// marshaller.marshal(elt, contentHandler);
// GAG missing
marshaller.marshal(elt, new SAXResult(contentHandler),
mappingInfo);
// marshaller.marshal(elt, contentHandler, mappingInfo);
}
} else {
marshaller.marshal(object, contentHandler);
}
} finally {
if (marshaller != null) {
marshaller.setAttachmentMarshaller(null);
parent.mpool.replace(marshaller);
}
}
}
@Override
public void marshal(T object, Result result) throws JAXBException {
JAXBMarshaller marshaller = null;
try {
marshaller = parent.mpool.allocate();
marshaller.setAttachmentMarshaller(null);
marshaller.setProperty(javax.xml.bind.Marshaller.JAXB_FRAGMENT,
true);
if (mappingInfo != null) {
if (isParameterizedType) {
JAXBTypeElement jte = new JAXBTypeElement(
mappingInfo.getXmlTagName(), object,
(ParameterizedType) mappingInfo.getType());
marshaller.marshal(jte, result, mappingInfo);
} else {
JAXBElement elt = new JAXBElement(
mappingInfo.getXmlTagName(),
(Class) mappingInfo.getType(), object);
// marshaller.marshal(elt, result);
marshaller.marshal(elt, result, mappingInfo);
}
} else {
TypeMappingInfo tmi = null;
if (object instanceof JAXBElement) {
QName q = ((JAXBElement) object).getName();
JAXBContext ctx = (JAXBContext) parent.getJAXBContext();
Map mtq = ctx
.getTypeMappingInfoToSchemaType();
for (Map.Entry es : mtq.entrySet()) {
if (q.equals(es.getValue())) {
tmi = es.getKey();
break;
}
}
}
if (tmi != null) {
marshaller.marshal(object, result, tmi);
} else {
marshaller.marshal(object, result);
}
}
} finally {
if (marshaller != null) {
marshaller.setAttachmentMarshaller(null);
parent.mpool.replace(marshaller);
}
}
}
// This is used in RPC
@Override
public T unmarshal(XMLStreamReader in, AttachmentUnmarshaller au)
throws JAXBException {
JAXBUnmarshaller unmarshaller = null;
try {
QName tagName = null;
if (in.getEventType() == XMLStreamConstants.START_ELEMENT) {
tagName = in.getName();
}
unmarshaller = parent.upool.allocate();
unmarshaller.setAttachmentUnmarshaller(au);
Object o;
if (in instanceof XMLStreamReaderEx) {
CustomXMLStreamReaderReader cr = new CustomXMLStreamReaderReader();
XMLStreamReaderInputSource is = new XMLStreamReaderInputSource(
in);
SAXSource saxSource = new SAXSource(cr, is);
o = ((mappingInfo != null) ? unmarshaller.unmarshal(saxSource,
mappingInfo) : unmarshaller.unmarshal(saxSource));
} else {
o = ((mappingInfo != null) ? unmarshaller.unmarshal(in,
mappingInfo) : unmarshaller.unmarshal(in));
}
if (o instanceof JAXBElement) {
o = ((JAXBElement) o).getValue();
}
// TODO recycle to pool
// Workaround for Eclipselink JAXB not consuming END_ELEMENT.
try {
if (in.getEventType() == XMLStreamConstants.END_ELEMENT && in.getName().equals(tagName)) {
in.next();
}
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
return (T) o;
} finally {
if (unmarshaller != null) {
unmarshaller.setAttachmentUnmarshaller(null);
parent.upool.replace(unmarshaller);
}
}
}
@Override
public T unmarshal(Source in, AttachmentUnmarshaller au)
throws JAXBException {
JAXBUnmarshaller unmarshaller = null;
try {
unmarshaller = parent.upool.allocate();
unmarshaller.setAttachmentUnmarshaller(au);
Object o;
if (mappingInfo != null) {
o = unmarshaller.unmarshal(in, mappingInfo);
} else {
o = unmarshaller.unmarshal(in);
}
if (o instanceof JAXBElement) {
o = ((JAXBElement) o).getValue();
}
// TODO recycle to pool
return (T) o;
} finally {
if (unmarshaller != null) {
unmarshaller.setAttachmentUnmarshaller(null);
parent.upool.replace(unmarshaller);
}
}
}
@Override
public T unmarshal(InputStream in) throws JAXBException {
JAXBUnmarshaller unmarshaller = null;
try {
unmarshaller = parent.upool.allocate();
// GAG missing
Object o = ((mappingInfo != null) ? unmarshaller.unmarshal(
new StreamSource(in), mappingInfo) : unmarshaller
.unmarshal(in));
// Object o = unmarshaller.unmarshal(in);
if (o instanceof JAXBElement) {
o = ((JAXBElement) o).getValue();
}
// TODO recycle to pool
return (T) o;
} finally {
if (unmarshaller != null) {
unmarshaller.setAttachmentUnmarshaller(null);
parent.upool.replace(unmarshaller);
}
}
}
@Override
public T unmarshal(Node in, AttachmentUnmarshaller au) throws JAXBException {
JAXBUnmarshaller unmarshaller = null;
try {
unmarshaller = parent.upool.allocate();
unmarshaller.setAttachmentUnmarshaller(au);
Object o = ((mappingInfo != null) ? unmarshaller.unmarshal(
new DOMSource(in), mappingInfo) : unmarshaller
.unmarshal(in));
// Object o = unmarshaller.unmarshal(in);
if (o instanceof JAXBElement) {
o = ((JAXBElement) o).getValue();
}
// TODO recycle to pool
return (T) o;
} finally {
if (unmarshaller != null) {
unmarshaller.setAttachmentUnmarshaller(null);
parent.upool.replace(unmarshaller);
}
}
}
/**
* The combination of jaxws-ri and eclipselink-jaxb may perform better with
* XMLStreamWriter
*/
@Override
public boolean supportOutputStream() {
return false;
}
public static class CustomXMLStreamReaderReader extends XMLStreamReaderReader {
@Override
protected void parseCharactersEvent(XMLStreamReader xmlStreamReader)
throws SAXException {
// super.parseCharactersEvent(xmlStreamReader);
XMLStreamReaderEx xrex = (XMLStreamReaderEx) xmlStreamReader;
try {
CharSequence characters = xrex.getPCDATA();
if (characters instanceof Base64Data) {
contentHandler.characters(characters);
} else {
String value = characters.toString();
contentHandler.characters(value.toCharArray(), 0,
value.length());
}
} catch (Exception ex) {
throw new WebServiceException(ex);
}
}
@Override
public Object getValue(CharSequence characters, Class dataType) {
if (Base64Data.class.equals(characters.getClass())) {
if (DataHandler.class == dataType || Image.class == dataType
|| Source.class == dataType
|| MimeMultipart.class == dataType) {
return ((Base64Data) characters).getDataHandler();
} else if (byte[].class == dataType) {
return ((Base64Data) characters).getExact();
}
}
return null;
}
}
public static class NewStreamWriterRecord extends XMLStreamWriterRecord {
private transient XMLStreamWriterEx xsw;
public NewStreamWriterRecord(XMLStreamWriterEx xsw) {
super(xsw);
this.xsw = xsw;
}
@Override
public void characters(QName schemaType, Object value, String mimeType, boolean isCData) {
if (mimeType != null) {
if (value instanceof DataHandler) {
try {
xsw.writeBinary((DataHandler) value);
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
return;
} else if (value instanceof byte[]) {
try {
byte[] b = (byte[])value;
xsw.writeBinary(b,0,b.length, null);
} catch (XMLStreamException e) {
throw new WebServiceException(e);
}
return;
}
}
super.characters(schemaType, value, mimeType, isCData);
}
private void readObject(ObjectInputStream aInputStream) throws ClassNotFoundException, IOException {
throw new UnsupportedOperationException();
}
private void writeObject(ObjectOutputStream oos) throws IOException {
throw new UnsupportedOperationException();
}
}
}