com.sun.xml.bind.v2.runtime.BinderImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
The newest version!
/*
* Copyright (c) 1997, 2018 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 javax.xml.bind.Binder;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.PropertyException;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.validation.Schema;
import javax.xml.namespace.QName;
import com.sun.xml.bind.unmarshaller.InfosetScanner;
import com.sun.xml.bind.v2.runtime.output.DOMOutput;
import com.sun.xml.bind.v2.runtime.unmarshaller.InterningXmlVisitor;
import com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.xml.sax.SAXException;
/**
* Implementation of {@link Binder}.
*
* TODO: investigate how much in-place unmarshalling is implemented
* - some preliminary work is there. Probably buggy.
* TODO: work on the marshaller side.
*
* @author
* Kohsuke Kawaguchi ([email protected])
*/
public class BinderImpl extends Binder {
/**
* The parent context object.
*/
private final JAXBContextImpl context;
/**
* Lazily created unmarshaller to do XML->Java binding.
* @see #getUnmarshaller()
*/
private UnmarshallerImpl unmarshaller;
/**
* Lazily create marshaller to do Java->XML binding.
* @see #getMarshaller()
*/
private MarshallerImpl marshaller;
private final InfosetScanner scanner;
/**
* A {@link Binder} always works with the same
* association map.
*/
private final AssociationMap assoc = new AssociationMap();
BinderImpl(JAXBContextImpl _context,InfosetScanner scanner) {
this.context = _context;
this.scanner = scanner;
}
private UnmarshallerImpl getUnmarshaller() {
if(unmarshaller==null)
unmarshaller = new UnmarshallerImpl(context,assoc);
return unmarshaller;
}
private MarshallerImpl getMarshaller() {
if(marshaller==null)
marshaller = new MarshallerImpl(context,assoc);
return marshaller;
}
public void marshal(Object jaxbObject, XmlNode xmlNode) throws JAXBException {
if ((xmlNode == null) || (jaxbObject == null))
throw new IllegalArgumentException();
getMarshaller().marshal(jaxbObject,createOutput(xmlNode));
}
// TODO move this to a sub class once we support something other than W3C DOM
private DOMOutput createOutput(XmlNode xmlNode) {
return new DOMOutput((Node)xmlNode,assoc);
}
public Object updateJAXB(XmlNode xmlNode) throws JAXBException {
return associativeUnmarshal(xmlNode,true,null);
}
public Object unmarshal( XmlNode xmlNode ) throws JAXBException {
return associativeUnmarshal(xmlNode,false,null);
}
public JAXBElement unmarshal(XmlNode xmlNode, Class expectedType) throws JAXBException {
if(expectedType==null) throw new IllegalArgumentException();
return (JAXBElement)associativeUnmarshal(xmlNode,true,expectedType);
}
public void setSchema(Schema schema) {
getMarshaller().setSchema(schema);
getUnmarshaller().setSchema(schema);
}
public Schema getSchema() {
return getUnmarshaller().getSchema();
}
private Object associativeUnmarshal(XmlNode xmlNode, boolean inplace, Class expectedType) throws JAXBException {
if (xmlNode == null)
throw new IllegalArgumentException();
JaxBeanInfo bi = null;
if(expectedType!=null)
bi = context.getBeanInfo(expectedType, true);
InterningXmlVisitor handler = new InterningXmlVisitor(
getUnmarshaller().createUnmarshallerHandler(scanner,inplace,bi));
scanner.setContentHandler(new SAXConnector(handler,scanner.getLocator()));
try {
scanner.scan(xmlNode);
} catch( SAXException e ) {
throw unmarshaller.createUnmarshalException(e);
}
return handler.getContext().getResult();
}
public XmlNode getXMLNode(Object jaxbObject) {
if(jaxbObject==null)
throw new IllegalArgumentException();
AssociationMap.Entry e = assoc.byPeer(jaxbObject);
if(e==null) return null;
return e.element();
}
public Object getJAXBNode(XmlNode xmlNode) {
if(xmlNode==null)
throw new IllegalArgumentException();
AssociationMap.Entry e = assoc.byElement(xmlNode);
if(e==null) return null;
if(e.outer()!=null) return e.outer();
return e.inner();
}
public XmlNode updateXML(Object jaxbObject) throws JAXBException {
return updateXML(jaxbObject,getXMLNode(jaxbObject));
}
public XmlNode updateXML(Object jaxbObject, XmlNode xmlNode) throws JAXBException {
if(jaxbObject==null || xmlNode==null) throw new IllegalArgumentException();
// TODO
// for now just marshal
// TODO: object model independenc
Element e = (Element)xmlNode;
Node ns = e.getNextSibling();
Node p = e.getParentNode();
p.removeChild(e);
// if the type object is passed, the following step is necessary to make
// the marshalling successful.
JaxBeanInfo bi = context.getBeanInfo(jaxbObject, true);
if(!bi.isElement())
jaxbObject = new JAXBElement(new QName(e.getNamespaceURI(),e.getLocalName()),bi.jaxbType,jaxbObject);
getMarshaller().marshal(jaxbObject,p);
Node newNode = p.getLastChild();
p.removeChild(newNode);
p.insertBefore(newNode,ns);
return (XmlNode)newNode;
}
public void setEventHandler(ValidationEventHandler handler) throws JAXBException {
getUnmarshaller().setEventHandler(handler);
getMarshaller().setEventHandler(handler);
}
public ValidationEventHandler getEventHandler() {
return getUnmarshaller().getEventHandler();
}
public Object getProperty(String name) throws PropertyException {
if (name == null)
throw new IllegalArgumentException(Messages.NULL_PROPERTY_NAME.format());
// exclude RI properties that don't make sense for Binder
if (excludeProperty(name)) {
throw new PropertyException(name);
}
Object prop = null;
PropertyException pe = null;
try {
prop = getMarshaller().getProperty(name);
return prop;
} catch (PropertyException p) {
pe = p;
}
try {
prop = getUnmarshaller().getProperty(name);
return prop;
} catch (PropertyException p) {
pe = p;
}
pe.setStackTrace(Thread.currentThread().getStackTrace());
throw pe;
}
public void setProperty(String name, Object value) throws PropertyException {
if (name == null)
throw new IllegalArgumentException(Messages.NULL_PROPERTY_NAME.format());
// exclude RI properties that don't make sense for Binder
if (excludeProperty(name)) {
throw new PropertyException(name, value);
}
PropertyException pe = null;
try {
getMarshaller().setProperty(name, value);
return;
} catch (PropertyException p) {
pe = p;
}
try {
getUnmarshaller().setProperty(name, value);
return;
} catch (PropertyException p) {
pe = p;
}
// replace the stacktrace - we don't want to see a trace
// originating from Un|Marshaller.setProperty
pe.setStackTrace(Thread.currentThread().getStackTrace());
throw pe;
}
private boolean excludeProperty(String name) {
return name.equals(
MarshallerImpl.ENCODING_HANDLER) ||
name.equals(MarshallerImpl.XMLDECLARATION) ||
name.equals(MarshallerImpl.XML_HEADERS);
}
}