org.apache.cxf.transport.servlet.AbstractCXFServlet Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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package org.apache.cxf.transport.servlet;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.Hashtable;
import java.util.Map;
import java.util.logging.Logger;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.Bus;
import org.apache.cxf.BusException;
import org.apache.cxf.BusFactory;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.transport.DestinationFactory;
import org.apache.cxf.transport.DestinationFactoryManager;
public abstract class AbstractCXFServlet extends HttpServlet {
static final Map> BUS_MAP = new Hashtable>();
static final Logger LOG = getLogger();
protected Bus bus;
protected ServletTransportFactory servletTransportFactory;
protected ServletController controller;
public static Logger getLogger() {
return LogUtils.getL7dLogger(AbstractCXFServlet.class);
}
public ServletController createServletController(ServletConfig servletConfig) {
ServletController newController =
new ServletController(servletTransportFactory,
servletConfig,
this.getServletContext(),
bus);
return newController;
}
public void init(ServletConfig servletConfig) throws ServletException {
super.init(servletConfig);
try {
BusFactory.setThreadDefaultBus(null);
String busid = servletConfig.getInitParameter("bus.id");
if (null != busid) {
WeakReference ref = BUS_MAP.get(busid);
if (null != ref) {
bus = ref.get();
BusFactory.setThreadDefaultBus(bus);
}
}
loadBus(servletConfig);
if (null != busid) {
BUS_MAP.put(busid, new WeakReference(bus));
}
} finally {
BusFactory.setThreadDefaultBus(null);
}
}
public abstract void loadBus(ServletConfig servletConfig) throws ServletException;
protected DestinationFactory createServletTransportFactory() {
if (servletTransportFactory == null) {
servletTransportFactory = new ServletTransportFactory(bus);
}
return servletTransportFactory;
}
private void registerTransport(DestinationFactory factory, String namespace) {
bus.getExtension(DestinationFactoryManager.class).registerDestinationFactory(namespace, factory);
}
protected void replaceDestinationFactory() {
DestinationFactoryManager dfm = bus.getExtension(DestinationFactoryManager.class);
try {
DestinationFactory df = dfm
.getDestinationFactory("http://cxf.apache.org/transports/http/configuration");
if (df instanceof ServletTransportFactory) {
servletTransportFactory = (ServletTransportFactory)df;
LOG.info("DESTIONFACTORY_ALREADY_REGISTERED");
return;
}
} catch (BusException e) {
// why are we throwing a busexception if the DF isn't found?
}
DestinationFactory factory = createServletTransportFactory();
for (String s : factory.getTransportIds()) {
registerTransport(factory, s);
}
LOG.info("REPLACED_HTTP_DESTIONFACTORY");
}
public ServletController getController() {
return controller;
}
public Bus getBus() {
return bus;
}
public void destroy() {
String s = bus.getId();
BUS_MAP.remove(s);
bus.shutdown(true);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException {
invoke(request, response);
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException {
invoke(request, response);
}
@Override
protected void doDelete(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
invoke(request, response);
}
@Override
protected void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException,
IOException {
invoke(request, response);
}
private void invoke(HttpServletRequest request, HttpServletResponse response) throws ServletException {
try {
BusFactory.setThreadDefaultBus(getBus());
controller.invoke(request, response);
} finally {
BusFactory.setThreadDefaultBus(null);
}
}
}