/**
* Licensed to the Apache Software Foundation (ASF) under one
* 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.wsn.util;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.xml.namespace.QName;
import javax.xml.transform.Source;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.stream.StreamSource;
import javax.xml.ws.Endpoint;
import javax.xml.ws.EndpointReference;
import javax.xml.ws.Service;
import javax.xml.ws.spi.Provider;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import javax.xml.ws.wsaddressing.W3CEndpointReferenceBuilder;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.wsn.wsdl.WSNWSDLLocator;
public class WSNHelper {
private static volatile WSNHelper instance;
protected boolean setClassLoader = true;
public static WSNHelper getInstance() {
if (instance == null) {
createInstance();
}
return instance;
}
public static void clearInstance() {
instance = null;
}
private static synchronized void createInstance() {
if (instance != null) {
return;
}
Provider p = Provider.provider();
if (p.getClass().getName().contains("apache.cxf")) {
instance = new CXFWSNHelper();
} else {
instance = new WSNHelper();
}
}
public boolean setClassLoader() {
return setClassLoader;
}
public void setClassLoader(boolean cl) {
setClassLoader = cl;
}
public boolean supportsExtraClasses() {
return false;
}
public Endpoint publish(String address, Object o, Class<?> ... extraClasses) {
if (extraClasses != null && extraClasses.length > 0) {
throw new UnsupportedOperationException("Pure JAX-WS does not support the extraClasses");
}
Endpoint endpoint = Endpoint.create(o);
URL wsdlLocation = WSNWSDLLocator.getWSDLUrl();
if (wsdlLocation != null) {
try {
if (endpoint.getProperties() == null) {
endpoint.setProperties(new HashMap<String, Object>());
}
endpoint.getProperties().put("javax.xml.ws.wsdl.description", wsdlLocation.toExternalForm());
List<Source> mt = new ArrayList<>();
StreamSource src = new StreamSource(wsdlLocation.openStream(), wsdlLocation.toExternalForm());
mt.add(src);
endpoint.setMetadata(mt);
} catch (IOException e) {
//ignore, no wsdl really needed
}
}
endpoint.publish(address);
return endpoint;
}
public <T> T getPort(EndpointReference ref,
Class<T> serviceInterface,
Class<?> ... extraClasses) {
if (!(ref instanceof W3CEndpointReference)) {
throw new IllegalArgumentException("Unsupported endpoint reference: "
+ (ref != null ? ref.toString() : "null"));
}
W3CEndpointReference w3cEpr = (W3CEndpointReference) ref;
String address = getWSAAddress(w3cEpr);
return getPort(address, serviceInterface, extraClasses);
}
public <T> T getPort(String address,
Class<T> serviceInterface,
Class<?> ... extraClasses) {
if (extraClasses != null && extraClasses.length > 0) {
throw new UnsupportedOperationException("Pure JAX-WS does not support the extraClasses");
}
ClassLoader cl = Thread.currentThread().getContextClassLoader();
try {
if (setClassLoader) {
Thread.currentThread().setContextClassLoader(WSNHelper.class.getClassLoader());
}
Service service = Service.create(WSNWSDLLocator.getWSDLUrl(),
new QName("http://cxf.apache.org/wsn/jaxws",
serviceInterface.getSimpleName() + "Service"));
return service.getPort(createWSA(address), serviceInterface);
} finally {
Thread.currentThread().setContextClassLoader(cl);
}
}
public W3CEndpointReference createWSA(String address) {
ClassLoader cl = Thread.currentThread().getContextClassLoader();
try {
if (setClassLoader) {
Thread.currentThread().setContextClassLoader(WSNHelper.class.getClassLoader());
}
return new W3CEndpointReferenceBuilder().address(address).build();
} finally {
Thread.currentThread().setContextClassLoader(cl);
}
}
public String getWSAAddress(W3CEndpointReference ref) {
Element element = DOMUtils.createDocument().createElement("elem");
ref.writeTo(new DOMResult(element));
NodeList nl = element.getElementsByTagNameNS("http://www.w3.org/2005/08/addressing", "Address");
if (nl != null && nl.getLength() > 0) {
Element e = (Element) nl.item(0);
return DOMUtils.getContent(e).trim();
}
return null;
}
}