Apache CXF example source code file (WSDLQueryHandler.java)
The Apache CXF WSDLQueryHandler.java source code/**
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* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.transport.http;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.logging.Logger;
import javax.wsdl.Definition;
import javax.wsdl.Import;
import javax.wsdl.Port;
import javax.wsdl.Service;
import javax.wsdl.Types;
import javax.wsdl.extensions.ExtensibilityElement;
import javax.wsdl.extensions.schema.Schema;
import javax.wsdl.extensions.schema.SchemaImport;
import javax.wsdl.extensions.schema.SchemaReference;
import javax.wsdl.extensions.soap.SOAPAddress;
import javax.wsdl.extensions.soap12.SOAP12Address;
import javax.wsdl.xml.WSDLWriter;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamWriter;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.xml.sax.InputSource;
import org.apache.cxf.Bus;
import org.apache.cxf.catalog.OASISCatalogManager;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.injection.NoJSR250Annotations;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.helpers.CastUtils;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.helpers.XMLUtils;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.staxutils.StaxUtils;
import org.apache.cxf.transports.http.StemMatchingQueryHandler;
import org.apache.cxf.wsdl.WSDLManager;
import org.apache.cxf.wsdl11.ResourceManagerWSDLLocator;
import org.apache.cxf.wsdl11.ServiceWSDLBuilder;
@NoJSR250Annotations
public class WSDLQueryHandler implements StemMatchingQueryHandler {
private static final Logger LOG = LogUtils.getL7dLogger(WSDLQueryHandler.class, "QueryMessages");
private Bus bus;
public WSDLQueryHandler() {
}
public WSDLQueryHandler(Bus b) {
bus = b;
}
public String getResponseContentType(String baseUri, String ctx) {
if (baseUri.toLowerCase().contains("?wsdl")
|| baseUri.toLowerCase().contains("?xsd=")) {
return "text/xml";
}
return null;
}
public boolean isRecognizedQuery(String baseUri, String ctx,
EndpointInfo endpointInfo, boolean contextMatchExact) {
if (baseUri != null
&& (baseUri.contains("?")
&& (baseUri.toLowerCase().contains("wsdl")
|| baseUri.toLowerCase().contains("xsd=")))) {
int idx = baseUri.indexOf("?");
Map<String, String> map = UrlUtilities.parseQueryString(baseUri.substring(idx + 1));
if (map.containsKey("wsdl")
|| map.containsKey("xsd")) {
if (contextMatchExact) {
return endpointInfo.getAddress().contains(ctx);
} else {
// contextMatchStrategy will be "stem"
return endpointInfo.getAddress().
contains(UrlUtilities.getStem(baseUri.substring(0, idx)));
}
}
}
return false;
}
public void writeResponse(String baseUri, String ctxUri,
EndpointInfo endpointInfo, OutputStream os) {
try {
int idx = baseUri.toLowerCase().indexOf("?");
Map<String, String> params = UrlUtilities.parseQueryString(baseUri.substring(idx + 1));
String base;
if (endpointInfo.getProperty("publishedEndpointUrl") != null) {
base = String.valueOf(endpointInfo.getProperty("publishedEndpointUrl"));
} else {
base = baseUri.substring(0, baseUri.toLowerCase().indexOf("?"));
}
String wsdl = params.get("wsdl");
if (wsdl != null) {
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
wsdl = URLDecoder.decode(wsdl, "utf-8");
}
String xsd = params.get("xsd");
if (xsd != null) {
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
xsd = URLDecoder.decode(xsd, "utf-8");
}
Map<String, Definition> mp = CastUtils.cast((Map)endpointInfo.getService()
.getProperty(WSDLQueryHandler.class.getName()));
Map<String, SchemaReference> smp = CastUtils.cast((Map)endpointInfo.getService()
.getProperty(WSDLQueryHandler.class.getName()
+ ".Schemas"));
if (mp == null) {
endpointInfo.getService().setProperty(WSDLQueryHandler.class.getName(),
new ConcurrentHashMap());
mp = CastUtils.cast((Map)endpointInfo.getService()
.getProperty(WSDLQueryHandler.class.getName()));
}
if (smp == null) {
endpointInfo.getService().setProperty(WSDLQueryHandler.class.getName()
+ ".Schemas",
new ConcurrentHashMap());
smp = CastUtils.cast((Map)endpointInfo.getService()
.getProperty(WSDLQueryHandler.class.getName()
+ ".Schemas"));
}
if (!mp.containsKey("")) {
Definition def = new ServiceWSDLBuilder(bus, endpointInfo.getService()).build();
mp.put("", def);
updateDefinition(def, mp, smp, base, endpointInfo);
}
Document doc;
if (xsd == null) {
Definition def = mp.get(wsdl);
if (def == null) {
String wsdl2 = resolveWithCatalogs(OASISCatalogManager.getCatalogManager(bus),
wsdl,
base);
if (wsdl2 != null) {
def = mp.get(wsdl2);
}
}
if (def == null) {
throw new WSDLQueryException(new Message("WSDL_NOT_FOUND", LOG, wsdl), null);
}
synchronized (def) {
//writing a def is not threadsafe. Sync on it to make sure
//we don't get any ConcurrentModificationExceptions
if (endpointInfo.getProperty("publishedEndpointUrl") != null) {
String publishingUrl =
String.valueOf(endpointInfo.getProperty("publishedEndpointUrl"));
updatePublishedEndpointUrl(publishingUrl, def, endpointInfo.getName());
}
WSDLWriter wsdlWriter = bus.getExtension(WSDLManager.class)
.getWSDLFactory().newWSDLWriter();
def.setExtensionRegistry(bus.getExtension(WSDLManager.class).getExtensionRegistry());
doc = wsdlWriter.getDocument(def);
}
} else {
SchemaReference si = smp.get(xsd);
if (si == null) {
String xsd2 = resolveWithCatalogs(OASISCatalogManager.getCatalogManager(bus),
xsd,
base);
if (xsd2 != null) {
si = smp.get(xsd2);
}
}
if (si == null) {
throw new WSDLQueryException(new Message("SCHEMA_NOT_FOUND", LOG, wsdl), null);
}
String uri = si.getReferencedSchema().getDocumentBaseURI();
uri = resolveWithCatalogs(OASISCatalogManager.getCatalogManager(bus),
uri,
si.getReferencedSchema().getDocumentBaseURI());
if (uri == null) {
uri = si.getReferencedSchema().getDocumentBaseURI();
}
ResourceManagerWSDLLocator rml = new ResourceManagerWSDLLocator(uri,
bus);
InputSource src = rml.getBaseInputSource();
doc = XMLUtils.getParser().parse(src);
}
updateDoc(doc, base, mp, smp, endpointInfo);
String enc = null;
try {
enc = doc.getXmlEncoding();
} catch (Exception ex) {
//ignore - not dom level 3
}
if (enc == null) {
enc = "utf-8";
}
XMLStreamWriter writer = StaxUtils.createXMLStreamWriter(os,
enc);
StaxUtils.writeNode(doc, writer, true);
writer.flush();
} catch (WSDLQueryException wex) {
throw wex;
} catch (Exception wex) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
baseUri), wex);
}
}
protected void updateDoc(Document doc, String base,
Map<String, Definition> mp,
Map<String, SchemaReference> smp,
EndpointInfo ei) {
List<Element> elementList = null;
try {
elementList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://www.w3.org/2001/XMLSchema",
"import");
for (Element el : elementList) {
String sl = el.getAttribute("schemaLocation");
if (smp.containsKey(URLDecoder.decode(sl, "utf-8"))) {
el.setAttribute("schemaLocation", base + "?xsd=" + sl.replace(" ", "%20"));
}
}
elementList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://www.w3.org/2001/XMLSchema",
"include");
for (Element el : elementList) {
String sl = el.getAttribute("schemaLocation");
if (smp.containsKey(URLDecoder.decode(sl, "utf-8"))) {
el.setAttribute("schemaLocation", base + "?xsd=" + sl.replace(" ", "%20"));
}
}
elementList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://www.w3.org/2001/XMLSchema",
"redefine");
for (Element el : elementList) {
String sl = el.getAttribute("schemaLocation");
if (smp.containsKey(URLDecoder.decode(sl, "utf-8"))) {
el.setAttribute("schemaLocation", base + "?xsd=" + sl.replace(" ", "%20"));
}
}
elementList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://schemas.xmlsoap.org/wsdl/",
"import");
for (Element el : elementList) {
String sl = el.getAttribute("location");
if (mp.containsKey(URLDecoder.decode(sl, "utf-8"))) {
el.setAttribute("location", base + "?wsdl=" + sl.replace(" ", "%20"));
}
}
} catch (UnsupportedEncodingException e) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
base), e);
}
Boolean rewriteSoapAddress = ei.getProperty("autoRewriteSoapAddress", Boolean.class);
if (rewriteSoapAddress != null && rewriteSoapAddress.booleanValue()) {
List<Element> serviceList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://schemas.xmlsoap.org/wsdl/",
"service");
for (Element serviceEl : serviceList) {
String serviceName = serviceEl.getAttribute("name");
if (serviceName.equals(ei.getService().getName().getLocalPart())) {
elementList = DOMUtils.findAllElementsByTagNameNS(doc.getDocumentElement(),
"http://schemas.xmlsoap.org/wsdl/",
"port");
for (Element el : elementList) {
String name = el.getAttribute("name");
if (name.equals(ei.getName().getLocalPart())) {
Element soapAddress = DOMUtils.findAllElementsByTagNameNS(el,
"http://schemas.xmlsoap.org/wsdl/soap/",
"address")
.iterator().next();
soapAddress.setAttribute("location", base);
}
}
}
}
}
try {
doc.setXmlStandalone(true);
} catch (Exception ex) {
//likely not DOM level 3
}
}
static String resolveWithCatalogs(OASISCatalogManager catalogs, String start, String base) {
if (catalogs == null) {
return null;
}
String resolvedSchemaLocation = null;
try {
resolvedSchemaLocation = catalogs.resolveSystem(start);
if (resolvedSchemaLocation == null) {
resolvedSchemaLocation = catalogs.resolveURI(start);
}
if (resolvedSchemaLocation == null) {
resolvedSchemaLocation = catalogs.resolvePublic(start, base);
}
} catch (Exception ex) {
//ignore
}
return resolvedSchemaLocation;
}
protected void updateDefinition(Definition def, Map<String, Definition> done,
Map<String, SchemaReference> doneSchemas,
String base, EndpointInfo ei) {
OASISCatalogManager catalogs = OASISCatalogManager.getCatalogManager(bus);
Collection<List imports = CastUtils.cast((Collection)def.getImports().values());
for (List<?> lst : imports) {
List<Import> impLst = CastUtils.cast(lst);
for (Import imp : impLst) {
String start = imp.getLocationURI();
String decodedStart = null;
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
try {
decodedStart = URLDecoder.decode(start, "utf-8");
} catch (UnsupportedEncodingException e) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
start), e);
}
String resolvedSchemaLocation = resolveWithCatalogs(catalogs, start, base);
if (resolvedSchemaLocation == null) {
try {
//check to see if it's already in a URL format. If so, leave it.
new URL(start);
} catch (MalformedURLException e) {
if (done.put(decodedStart, imp.getDefinition()) == null) {
updateDefinition(imp.getDefinition(), done, doneSchemas, base, ei);
}
}
} else {
if (done.put(decodedStart, imp.getDefinition()) == null) {
done.put(resolvedSchemaLocation, imp.getDefinition());
updateDefinition(imp.getDefinition(), done, doneSchemas, base, ei);
}
}
}
}
/* This doesn't actually work. Setting setSchemaLocationURI on the import
* for some reason doesn't actually result in the new URI being written
* */
Types types = def.getTypes();
if (types != null) {
for (ExtensibilityElement el
: CastUtils.cast((List)types.getExtensibilityElements(), ExtensibilityElement.class)) {
if (el instanceof Schema) {
Schema see = (Schema)el;
updateSchemaImports(see, doneSchemas, base);
}
}
}
}
protected void updatePublishedEndpointUrl(String publishingUrl, Definition def, QName name) {
Collection<Service> services = CastUtils.cast(def.getAllServices().values());
for (Service service : services) {
Collection<Port> ports = CastUtils.cast(service.getPorts().values());
if (ports.isEmpty()) {
continue;
}
if (name == null) {
setSoapAddressLocationOn(ports.iterator().next(), publishingUrl);
break; // only update the first port since we don't target any specific port
} else {
for (Port port : ports) {
if (name.getLocalPart().equals(port.getName())) {
setSoapAddressLocationOn(port, publishingUrl);
}
}
}
}
}
private void setSoapAddressLocationOn(Port port, String url) {
List<?> extensions = port.getExtensibilityElements();
for (Object extension : extensions) {
if (extension instanceof SOAP12Address) {
((SOAP12Address)extension).setLocationURI(url);
} else if (extension instanceof SOAPAddress) {
((SOAPAddress)extension).setLocationURI(url);
}
}
}
protected void updateSchemaImports(Schema schema,
Map<String, SchemaReference> doneSchemas,
String base) {
OASISCatalogManager catalogs = OASISCatalogManager.getCatalogManager(bus);
Collection<List imports = CastUtils.cast((Collection)schema.getImports().values());
for (List<?> lst : imports) {
List<SchemaImport> impLst = CastUtils.cast(lst);
for (SchemaImport imp : impLst) {
String start = imp.getSchemaLocationURI();
if (start != null) {
String decodedStart = null;
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
try {
decodedStart = URLDecoder.decode(start, "utf-8");
} catch (UnsupportedEncodingException e) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
start), e);
}
if (!doneSchemas.containsKey(decodedStart)) {
String resolvedSchemaLocation = resolveWithCatalogs(catalogs, start, base);
if (resolvedSchemaLocation == null) {
try {
//check to see if it's already in a URL format. If so, leave it.
new URL(start);
} catch (MalformedURLException e) {
if (doneSchemas.put(decodedStart, imp) == null) {
updateSchemaImports(imp.getReferencedSchema(), doneSchemas, base);
}
}
} else {
if (doneSchemas.put(decodedStart, imp) == null) {
doneSchemas.put(resolvedSchemaLocation, imp);
updateSchemaImports(imp.getReferencedSchema(), doneSchemas, base);
}
}
}
}
}
}
List<SchemaReference> includes = CastUtils.cast(schema.getIncludes());
for (SchemaReference included : includes) {
String start = included.getSchemaLocationURI();
if (start != null) {
String decodedStart = null;
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
try {
decodedStart = URLDecoder.decode(start, "utf-8");
} catch (UnsupportedEncodingException e) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
start), e);
}
String resolvedSchemaLocation = resolveWithCatalogs(catalogs, start, base);
if (resolvedSchemaLocation == null) {
if (!doneSchemas.containsKey(decodedStart)) {
try {
//check to see if it's aleady in a URL format. If so, leave it.
new URL(start);
} catch (MalformedURLException e) {
if (doneSchemas.put(decodedStart, included) == null) {
updateSchemaImports(included.getReferencedSchema(), doneSchemas, base);
}
}
}
} else if (!doneSchemas.containsKey(decodedStart)
|| !doneSchemas.containsKey(resolvedSchemaLocation)) {
doneSchemas.put(decodedStart, included);
doneSchemas.put(resolvedSchemaLocation, included);
updateSchemaImports(included.getReferencedSchema(), doneSchemas, base);
}
}
}
List<SchemaReference> redefines = CastUtils.cast(schema.getRedefines());
for (SchemaReference included : redefines) {
String start = included.getSchemaLocationURI();
if (start != null) {
String decodedStart = null;
// Always use the URL decoded version to ensure that we have a
// canonical representation of the import URL for lookup.
try {
decodedStart = URLDecoder.decode(start, "utf-8");
} catch (UnsupportedEncodingException e) {
throw new WSDLQueryException(new Message("COULD_NOT_PROVIDE_WSDL",
LOG,
start), e);
}
String resolvedSchemaLocation = resolveWithCatalogs(catalogs, start, base);
if (resolvedSchemaLocation == null) {
if (!doneSchemas.containsKey(decodedStart)) {
try {
//check to see if it's aleady in a URL format. If so, leave it.
new URL(start);
} catch (MalformedURLException e) {
if (doneSchemas.put(decodedStart, included) == null) {
updateSchemaImports(included.getReferencedSchema(), doneSchemas, base);
}
}
}
} else if (!doneSchemas.containsKey(decodedStart)
|| !doneSchemas.containsKey(resolvedSchemaLocation)) {
doneSchemas.put(decodedStart, included);
doneSchemas.put(resolvedSchemaLocation, included);
updateSchemaImports(included.getReferencedSchema(), doneSchemas, base);
}
}
}
}
public boolean isRecognizedQuery(String baseUri, String ctx, EndpointInfo endpointInfo) {
return isRecognizedQuery(baseUri, ctx, endpointInfo, false);
}
public void setBus(Bus bus) {
this.bus = bus;
}
}
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