/*
* Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.xml.internal.ws.message.jaxb;
import com.sun.istack.internal.NotNull;
import com.sun.istack.internal.XMLStreamException2;
import com.sun.xml.internal.bind.api.Bridge;
import com.sun.xml.internal.bind.api.JAXBRIContext;
import com.sun.xml.internal.stream.buffer.XMLStreamBuffer;
import com.sun.xml.internal.stream.buffer.XMLStreamBufferResult;
import com.sun.xml.internal.ws.api.message.Header;
import com.sun.xml.internal.ws.message.AbstractHeaderImpl;
import com.sun.xml.internal.ws.message.RootElementSniffer;
import com.sun.xml.internal.ws.streaming.XMLStreamWriterUtil;
import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.util.JAXBResult;
import javax.xml.namespace.QName;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import java.io.OutputStream;
import java.util.Map;
/**
* {@link Header} whose physical data representation is a JAXB bean.
*
* @author Kohsuke Kawaguchi
*/
public final class JAXBHeader extends AbstractHeaderImpl {
/**
* The JAXB object that represents the header.
*/
private final Object jaxbObject;
private final Bridge bridge;
// information about this header. lazily obtained.
private String nsUri;
private String localName;
private Attributes atts;
/**
* Once the header is turned into infoset,
* this buffer keeps it.
*/
private XMLStreamBuffer infoset;
public JAXBHeader(JAXBRIContext context, Object jaxbObject) {
this.jaxbObject = jaxbObject;
this.bridge = new MarshallerBridge(context);
if (jaxbObject instanceof JAXBElement) {
JAXBElement e = (JAXBElement) jaxbObject;
this.nsUri = e.getName().getNamespaceURI();
this.localName = e.getName().getLocalPart();
}
}
public JAXBHeader(Bridge bridge, Object jaxbObject) {
this.jaxbObject = jaxbObject;
this.bridge = bridge;
QName tagName = bridge.getTypeReference().tagName;
this.nsUri = tagName.getNamespaceURI();
this.localName = tagName.getLocalPart();
}
/**
* Lazily parse the first element to obtain attribute values on it.
*/
private void parse() {
RootElementSniffer sniffer = new RootElementSniffer();
try {
bridge.marshal(jaxbObject,sniffer);
} catch (JAXBException e) {
// if it's due to us aborting the processing after the first element,
// we can safely ignore this exception.
//
// if it's due to error in the object, the same error will be reported
// when the readHeader() method is used, so we don't have to report
// an error right now.
nsUri = sniffer.getNsUri();
localName = sniffer.getLocalName();
atts = sniffer.getAttributes();
}
}
public @NotNull String getNamespaceURI() {
if(nsUri==null)
parse();
return nsUri;
}
public @NotNull String getLocalPart() {
if(localName==null)
parse();
return localName;
}
public String getAttribute(String nsUri, String localName) {
if(atts==null)
parse();
return atts.getValue(nsUri,localName);
}
public XMLStreamReader readHeader() throws XMLStreamException {
try {
if(infoset==null) {
XMLStreamBufferResult sbr = new XMLStreamBufferResult();
bridge.marshal(jaxbObject,sbr);
infoset = sbr.getXMLStreamBuffer();
}
return infoset.readAsXMLStreamReader();
} catch (JAXBException e) {
throw new XMLStreamException2(e);
}
}
public <T> T readAsJAXB(Unmarshaller unmarshaller) throws JAXBException {
JAXBResult r = new JAXBResult(unmarshaller);
bridge.marshal(jaxbObject,r);
return (T)r.getResult();
}
public <T> T readAsJAXB(Bridge<T> bridge) throws JAXBException {
return bridge.unmarshal(new JAXBBridgeSource(this.bridge,jaxbObject));
}
public void writeTo(XMLStreamWriter sw) throws XMLStreamException {
try {
// Get output stream and use JAXB UTF-8 writer
OutputStream os = XMLStreamWriterUtil.getOutputStream(sw);
if (os != null) {
bridge.marshal(jaxbObject, os, sw.getNamespaceContext());
} else {
bridge.marshal(jaxbObject,sw);
}
} catch (JAXBException e) {
throw new XMLStreamException2(e);
}
}
public void writeTo(SOAPMessage saaj) throws SOAPException {
try {
bridge.marshal(jaxbObject,saaj.getSOAPHeader());
} catch (JAXBException e) {
throw new SOAPException(e);
}
}
public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {
try {
bridge.marshal(jaxbObject,contentHandler);
} catch (JAXBException e) {
SAXParseException x = new SAXParseException(e.getMessage(),null,null,-1,-1,e);
errorHandler.fatalError(x);
throw x;
}
}
}