org.apache.cxf.transport.servlet.CXFServlet Maven / Gradle / Ivy
/**
* 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.transport.servlet;
import java.io.IOException;
import java.io.InputStream;
import javax.servlet.ServletConfig;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.Resource;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.context.support.XmlWebApplicationContext;
public class CXFServlet extends CXFNonSpringServlet {
private boolean busCreated;
private XmlWebApplicationContext createdContext;
public CXFServlet() {
}
@Override
protected void loadBus(ServletConfig sc) {
ApplicationContext wac = WebApplicationContextUtils.
getWebApplicationContext(sc.getServletContext());
String configLocation = sc.getInitParameter("config-location");
if (configLocation == null) {
try {
InputStream is = sc.getServletContext().getResourceAsStream("/WEB-INF/cxf-servlet.xml");
if (is != null && is.available() > 0) {
is.close();
configLocation = "/WEB-INF/cxf-servlet.xml";
}
} catch (Exception ex) {
//ignore
}
}
if (configLocation != null) {
wac = createSpringContext(wac, sc, configLocation);
}
if (wac != null) {
setBus(wac.getBean("cxf", Bus.class));
} else {
busCreated = true;
setBus(BusFactory.newInstance().createBus());
}
}
/**
* Try to create a spring application context from the config location.
* Will first try to resolve the location using the servlet context.
* If that does not work then the location is given as is to spring
*
* @param ctx
* @param sc
* @param configLocation
* @return
*/
private ApplicationContext createSpringContext(ApplicationContext ctx,
ServletConfig sc,
String location) {
XmlWebApplicationContext ctx2 = new XmlWebApplicationContext();
createdContext = ctx2;
ctx2.setServletConfig(sc);
Resource r = ctx2.getResource(location);
try {
InputStream in = r.getInputStream();
in.close();
} catch (IOException e) {
//ignore
r = ctx2.getResource("classpath:" + location);
try {
r.getInputStream().close();
} catch (IOException e2) {
//ignore
r = null;
}
}
try {
if (r != null) {
location = r.getURL().toExternalForm();
}
} catch (IOException e) {
//ignore
}
if (ctx != null) {
ctx2.setParent(ctx);
String names[] = ctx.getBeanNamesForType(Bus.class);
if (names == null || names.length == 0) {
ctx2.setConfigLocations(new String[] {"classpath:/META-INF/cxf/cxf.xml",
location});
} else {
ctx2.setConfigLocations(new String[] {location});
}
} else {
ctx2.setConfigLocations(new String[] {"classpath:/META-INF/cxf/cxf.xml",
location});
createdContext = ctx2;
}
ctx2.refresh();
return ctx2;
}
public void destroyBus() {
if (busCreated) {
//if we created the Bus, we need to destroy it. Otherwise, spring will handleit.
getBus().shutdown(true);
}
if (createdContext != null) {
createdContext.close();
}
}
}