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/*
* 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.ws.message.jaxb;
import com.sun.istack.NotNull;
import com.sun.istack.XMLStreamException2;
import com.sun.xml.bind.api.Bridge;
import com.sun.xml.stream.buffer.MutableXMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBuffer;
import com.sun.xml.stream.buffer.XMLStreamBufferResult;
import com.sun.xml.ws.api.message.Header;
import com.sun.xml.ws.encoding.SOAPBindingCodec;
import com.sun.xml.ws.message.AbstractHeaderImpl;
import com.sun.xml.ws.message.RootElementSniffer;
import com.sun.xml.ws.spi.db.BindingContext;
import com.sun.xml.ws.spi.db.XMLBridge;
import com.sun.xml.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.soap.SOAPHeader;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import java.io.OutputStream;
/**
* {@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 XMLBridge 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(BindingContext context, Object jaxbObject) {
this.jaxbObject = jaxbObject;
// this.bridge = new MarshallerBridge(context);
this.bridge = context.createFragmentBridge();
if (jaxbObject instanceof JAXBElement) {
JAXBElement e = (JAXBElement) jaxbObject;
this.nsUri = e.getName().getNamespaceURI();
this.localName = e.getName().getLocalPart();
}
}
public JAXBHeader(XMLBridge bridge, Object jaxbObject) {
this.jaxbObject = jaxbObject;
this.bridge = bridge;
QName tagName = bridge.getTypeInfo().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,null);
} 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 {
if(infoset==null) {
MutableXMLStreamBuffer buffer = new MutableXMLStreamBuffer();
writeTo(buffer.createFromXMLStreamWriter());
infoset = buffer;
}
return infoset.readAsXMLStreamReader();
}
public T readAsJAXB(Unmarshaller unmarshaller) throws JAXBException {
try {
JAXBResult r = new JAXBResult(unmarshaller);
// bridge marshals a fragment, so we need to add start/endDocument by ourselves
r.getHandler().startDocument();
bridge.marshal(jaxbObject,r);
r.getHandler().endDocument();
return (T)r.getResult();
} catch (SAXException e) {
throw new JAXBException(e);
}
}
/** @deprecated */
public T readAsJAXB(Bridge bridge) throws JAXBException {
return bridge.unmarshal(new JAXBBridgeSource(this.bridge,jaxbObject));
}
public T readAsJAXB(XMLBridge bond) throws JAXBException {
return bond.unmarshal(new JAXBBridgeSource(this.bridge,jaxbObject),null);
}
public void writeTo(XMLStreamWriter sw) throws XMLStreamException {
try {
// Get the encoding of the writer
String encoding = XMLStreamWriterUtil.getEncoding(sw);
// Get output stream and use JAXB UTF-8 writer
OutputStream os = bridge.supportOutputStream() ? XMLStreamWriterUtil.getOutputStream(sw) : null;
if (os != null && encoding != null && encoding.equalsIgnoreCase(SOAPBindingCodec.UTF8_ENCODING)) {
bridge.marshal(jaxbObject, os, sw.getNamespaceContext(), null);
} else {
bridge.marshal(jaxbObject,sw, null);
}
} catch (JAXBException e) {
throw new XMLStreamException2(e);
}
}
public void writeTo(SOAPMessage saaj) throws SOAPException {
try {
SOAPHeader header = saaj.getSOAPHeader();
if (header == null)
header = saaj.getSOAPPart().getEnvelope().addHeader();
bridge.marshal(jaxbObject,header);
} catch (JAXBException e) {
throw new SOAPException(e);
}
}
public void writeTo(ContentHandler contentHandler, ErrorHandler errorHandler) throws SAXException {
try {
bridge.marshal(jaxbObject,contentHandler,null);
} catch (JAXBException e) {
SAXParseException x = new SAXParseException(e.getMessage(),null,null,-1,-1,e);
errorHandler.fatalError(x);
throw x;
}
}
}
