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package com.sun.xml.ws.wsdl.writer;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.server.PortAddressResolver;
import com.sun.xml.ws.util.xml.XMLStreamReaderToXMLStreamWriter;
import com.sun.xml.ws.wsdl.parser.WSDLConstants;
import com.sun.xml.ws.addressing.W3CAddressingConstants;
import com.sun.istack.Nullable;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import java.util.logging.Logger;
/**
* Patches WSDL with the correct endpoint address and the relative paths
* to other documents.
*
* @author Jitendra Kotamraju
* @author Kohsuke Kawaguchi
*/
public final class WSDLPatcher extends XMLStreamReaderToXMLStreamWriter {
private static final String NS_XSD = "http://www.w3.org/2001/XMLSchema";
private static final QName SCHEMA_INCLUDE_QNAME = new QName(NS_XSD, "include");
private static final QName SCHEMA_IMPORT_QNAME = new QName(NS_XSD, "import");
private static final QName SCHEMA_REDEFINE_QNAME = new QName(NS_XSD, "redefine");
private static final Logger logger = Logger.getLogger(
com.sun.xml.ws.util.Constants.LoggingDomain + ".wsdl.patcher");
private final DocumentLocationResolver docResolver;
private final PortAddressResolver portAddressResolver;
//
// fields accumulated as we parse through documents
//
private String targetNamespace;
private QName serviceName;
private QName portName;
private String portAddress;
// true inside //
private boolean inEpr;
// true inside ///
private boolean inEprAddress;
/**
* Creates a {@link WSDLPatcher} for patching WSDL.
*
* @param portAddressResolver
* address of the endpoint is resolved using this docResolver.
* @param docResolver
* Consulted to get the import/include document locations.
* Must not be null.
*/
public WSDLPatcher(@NotNull PortAddressResolver portAddressResolver,
@NotNull DocumentLocationResolver docResolver) {
this.portAddressResolver = portAddressResolver;
this.docResolver = docResolver;
}
@Override
protected void handleAttribute(int i) throws XMLStreamException {
QName name = in.getName();
String attLocalName = in.getAttributeLocalName(i);
if((name.equals(SCHEMA_INCLUDE_QNAME) && attLocalName.equals("schemaLocation"))
|| (name.equals(SCHEMA_IMPORT_QNAME) && attLocalName.equals("schemaLocation"))
|| (name.equals(SCHEMA_REDEFINE_QNAME) && attLocalName.equals("schemaLocation"))
|| (name.equals(WSDLConstants.QNAME_IMPORT) && attLocalName.equals("location"))) {
// patch this attribute value.
String relPath = in.getAttributeValue(i);
String actualPath = getPatchedImportLocation(relPath);
if (actualPath == null) {
return; // skip this attribute to leave it up to "implicit reference".
}
logger.fine("Fixing the relative location:"+relPath
+" with absolute location:"+actualPath);
writeAttribute(i, actualPath);
return;
}
if (name.equals(WSDLConstants.NS_SOAP_BINDING_ADDRESS) ||
name.equals(WSDLConstants.NS_SOAP12_BINDING_ADDRESS)) {
if(attLocalName.equals("location")) {
portAddress = in.getAttributeValue(i);
String value = getAddressLocation();
if (value != null) {
logger.fine("Service:"+serviceName+ " port:"+portName
+ " current address "+portAddress+" Patching it with "+value);
writeAttribute(i, value);
return;
}
}
}
super.handleAttribute(i);
}
/**
* Writes out an {@code i}-th attribute but with a different value.
* @param i attribute index
* @param value attribute value
* @throws XMLStreamException when an error encountered while writing attribute
*/
private void writeAttribute(int i, String value) throws XMLStreamException {
String nsUri = in.getAttributeNamespace(i);
if(nsUri!=null)
out.writeAttribute( in.getAttributePrefix(i), nsUri, in.getAttributeLocalName(i), value );
else
out.writeAttribute( in.getAttributeLocalName(i), value );
}
@Override
protected void handleStartElement() throws XMLStreamException {
QName name = in.getName();
if (name.equals(WSDLConstants.QNAME_DEFINITIONS)) {
String value = in.getAttributeValue(null,"targetNamespace");
if (value != null) {
targetNamespace = value;
}
} else if (name.equals(WSDLConstants.QNAME_SERVICE)) {
String value = in.getAttributeValue(null,"name");
if (value != null) {
serviceName = new QName(targetNamespace, value);
}
} else if (name.equals(WSDLConstants.QNAME_PORT)) {
String value = in.getAttributeValue(null,"name");
if (value != null) {
portName = new QName(targetNamespace,value);
}
} else if (name.equals(W3CAddressingConstants.WSA_EPR_QNAME)) {
if (serviceName != null && portName != null) {
inEpr = true;
}
} else if (name.equals(W3CAddressingConstants.WSA_ADDRESS_QNAME)) {
if (inEpr) {
inEprAddress = true;
}
}
super.handleStartElement();
}
@Override
protected void handleEndElement() throws XMLStreamException {
QName name = in.getName();
if (name.equals(WSDLConstants.QNAME_SERVICE)) {
serviceName = null;
} else if (name.equals(WSDLConstants.QNAME_PORT)) {
portName = null;
} else if (name.equals(W3CAddressingConstants.WSA_EPR_QNAME)) {
if (inEpr) {
inEpr = false;
}
} else if (name.equals(W3CAddressingConstants.WSA_ADDRESS_QNAME)) {
if (inEprAddress) {
String value = getAddressLocation();
if (value != null) {
logger.fine("Fixing EPR Address for service:"+serviceName+ " port:"+portName
+ " address with "+value);
out.writeCharacters(value);
}
inEprAddress = false;
}
}
super.handleEndElement();
}
@Override
protected void handleCharacters() throws XMLStreamException {
// handleCharacters() may be called multiple times.
if (inEprAddress) {
String value = getAddressLocation();
if (value != null) {
// will write the address with end element
return;
}
}
super.handleCharacters();
}
/**
* Returns the location to be placed into the generated document.
*
* @param relPath relative URI to be resolved
* @return
* null to leave it to the "implicit reference".
*/
private @Nullable String getPatchedImportLocation(String relPath) {
return docResolver.getLocationFor(null, relPath);
}
/**
* For the given service, port names it matches the correct endpoint and
* reutrns its endpoint address
*
* @return returns the resolved endpoint address
*/
private String getAddressLocation() {
return (portAddressResolver == null || portName == null)
? null : portAddressResolver.getAddressFor(serviceName, portName.getLocalPart(), portAddress);
}
}
