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/**
* 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.http_jetty;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.security.GeneralSecurityException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.common.i18n.Message;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.continuations.ContinuationInfo;
import org.apache.cxf.continuations.ContinuationProvider;
import org.apache.cxf.continuations.SuspendedInvocationException;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.io.CachedOutputStream;
import org.apache.cxf.message.ExchangeImpl;
import org.apache.cxf.message.MessageImpl;
import org.apache.cxf.service.model.EndpointInfo;
import org.apache.cxf.transport.http.AbstractHTTPDestination;
import org.apache.cxf.transport.http.HTTPSession;
import org.apache.cxf.transport.http_jetty.continuations.JettyContinuationProvider;
import org.apache.cxf.transports.http.QueryHandler;
import org.apache.cxf.transports.http.QueryHandlerRegistry;
import org.apache.cxf.transports.http.StemMatchingQueryHandler;
import org.mortbay.jetty.HttpConnection;
import org.mortbay.jetty.Request;
import org.mortbay.util.ajax.Continuation;
import org.mortbay.util.ajax.ContinuationSupport;
public class JettyHTTPDestination extends AbstractHTTPDestination {
private static final Logger LOG =
LogUtils.getL7dLogger(JettyHTTPDestination.class);
protected JettyHTTPServerEngine engine;
protected JettyHTTPTransportFactory transportFactory;
protected JettyHTTPServerEngineFactory serverEngineFactory;
protected ServletContext servletContext;
protected URL nurl;
/**
* This variable signifies that finalizeConfig() has been called.
* It gets called after this object has been spring configured.
* It is used to automatically reinitialize things when resources
* are reset, such as setTlsServerParameters().
*/
private boolean configFinalized;
/**
* Constructor, using Jetty server engine.
*
* @param b the associated Bus
* @param ci the associated conduit initiator
* @param endpointInfo the endpoint info of the destination
* @throws IOException
*/
public JettyHTTPDestination(
Bus b,
JettyHTTPTransportFactory ci,
EndpointInfo endpointInfo
) throws IOException {
//Add the defualt port if the address is missing it
super(b, ci, endpointInfo, true);
this.transportFactory = ci;
this.serverEngineFactory = ci.getJettyHTTPServerEngineFactory();
nurl = new URL(endpointInfo.getAddress());
}
protected Logger getLogger() {
return LOG;
}
public void setServletContext(ServletContext sc) {
servletContext = sc;
}
/**
* Post-configure retreival of server engine.
*/
protected void retrieveEngine()
throws GeneralSecurityException,
IOException {
engine =
serverEngineFactory.retrieveJettyHTTPServerEngine(nurl.getPort());
if (engine == null) {
engine = serverEngineFactory.
createJettyHTTPServerEngine(nurl.getPort(), nurl.getProtocol());
}
assert engine != null;
// When configuring for "http", however, it is still possible that
// Spring configuration has configured the port for https.
if (!nurl.getProtocol().equals(engine.getProtocol())) {
throw new IllegalStateException(
"Port " + engine.getPort()
+ " is configured with wrong protocol \""
+ engine.getProtocol()
+ "\" for \"" + nurl + "\"");
}
}
/**
* This method is used to finalize the configuration
* after the configuration items have been set.
*
*/
public void finalizeConfig()
throws GeneralSecurityException,
IOException {
assert !configFinalized;
retrieveEngine();
configFinalized = true;
}
/**
* Activate receipt of incoming messages.
*/
protected void activate() {
LOG.log(Level.FINE, "Activating receipt of incoming messages");
URL url = null;
try {
url = new URL(endpointInfo.getAddress());
} catch (Exception e) {
throw new Fault(new Message("START_UP_SERVER_FAILED_MSG", LOG, e.getMessage()), e);
}
engine.addServant(url,
new JettyHTTPHandler(this, contextMatchOnExact()));
}
/**
* Deactivate receipt of incoming messages.
*/
protected void deactivate() {
LOG.log(Level.FINE, "Deactivating receipt of incoming messages");
engine.removeServant(nurl);
}
protected String getBasePathForFullAddress(String addr) {
try {
return new URL(addr).getPath();
} catch (MalformedURLException e) {
return null;
}
}
private String removeTrailingSeparator(String addr) {
if (addr != null && addr.length() > 0
&& addr.lastIndexOf('/') == addr.length() - 1) {
return addr.substring(0, addr.length() - 1);
} else {
return addr;
}
}
private synchronized String updateEndpointAddress(String addr) {
// only update the EndpointAddress if the base path is equal
// make sure we don't broke the get operation?parament query
String address = removeTrailingSeparator(endpointInfo.getAddress());
if (getBasePathForFullAddress(address)
.equals(removeTrailingSeparator(getStem(getBasePathForFullAddress(addr))))) {
endpointInfo.setAddress(addr);
}
return address;
}
protected void doService(HttpServletRequest req,
HttpServletResponse resp) throws IOException {
doService(servletContext, req, resp);
}
protected void doService(ServletContext context,
HttpServletRequest req,
HttpServletResponse resp) throws IOException {
if (context == null) {
context = servletContext;
}
Request baseRequest = (req instanceof Request)
? (Request)req : HttpConnection.getCurrentConnection().getRequest();
if (getServer().isSetRedirectURL()) {
resp.sendRedirect(getServer().getRedirectURL());
resp.flushBuffer();
baseRequest.setHandled(true);
return;
}
QueryHandlerRegistry queryHandlerRegistry = bus.getExtension(QueryHandlerRegistry.class);
if (null != req.getQueryString() && queryHandlerRegistry != null) {
String reqAddr = req.getRequestURL().toString();
String requestURL = reqAddr + "?" + req.getQueryString();
String pathInfo = req.getPathInfo();
for (QueryHandler qh : queryHandlerRegistry.getHandlers()) {
boolean recognized =
qh instanceof StemMatchingQueryHandler
? ((StemMatchingQueryHandler)qh).isRecognizedQuery(requestURL,
pathInfo,
endpointInfo,
contextMatchOnExact())
: qh.isRecognizedQuery(requestURL, pathInfo, endpointInfo);
if (recognized) {
//replace the endpointInfo address with request url only for get wsdl
String errorMsg = null;
CachedOutputStream out = new CachedOutputStream();
try {
synchronized (endpointInfo) {
String oldAddress = updateEndpointAddress(reqAddr);
resp.setContentType(qh.getResponseContentType(requestURL, pathInfo));
try {
qh.writeResponse(requestURL, pathInfo, endpointInfo, out);
} catch (Exception ex) {
LOG.log(Level.WARNING, "writeResponse failed: ", ex);
errorMsg = ex.getMessage();
}
endpointInfo.setAddress(oldAddress);
}
if (errorMsg != null) {
resp.sendError(500, errorMsg);
} else {
out.writeCacheTo(resp.getOutputStream());
resp.getOutputStream().flush();
}
} finally {
out.close();
}
baseRequest.setHandled(true);
return;
}
}
}
// REVISIT: service on executor if associated with endpoint
try {
BusFactory.setThreadDefaultBus(bus);
serviceRequest(context, req, resp);
} finally {
BusFactory.setThreadDefaultBus(null);
}
}
protected void serviceRequest(final ServletContext context,
final HttpServletRequest req,
final HttpServletResponse resp)
throws IOException {
Request baseRequest = (req instanceof Request)
? (Request)req : HttpConnection.getCurrentConnection().getRequest();
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Service http request on thread: " + Thread.currentThread());
}
MessageImpl inMessage = retrieveFromContinuation(req);
if (inMessage == null) {
inMessage = new MessageImpl();
if (engine.getContinuationsEnabled()) {
inMessage.put(ContinuationProvider.class.getName(),
new JettyContinuationProvider(req, inMessage));
}
setupMessage(inMessage, context, req, resp);
inMessage.setDestination(this);
ExchangeImpl exchange = new ExchangeImpl();
exchange.setInMessage(inMessage);
exchange.setSession(new HTTPSession(req));
}
try {
incomingObserver.onMessage(inMessage);
resp.flushBuffer();
baseRequest.setHandled(true);
} catch (SuspendedInvocationException ex) {
throw ex.getRuntimeException();
} catch (Fault ex) {
Throwable cause = ex.getCause();
if (cause instanceof RuntimeException) {
throw (RuntimeException)cause;
} else {
throw ex;
}
} catch (RuntimeException ex) {
throw ex;
} finally {
if (LOG.isLoggable(Level.FINE)) {
LOG.fine("Finished servicing http request on thread: " + Thread.currentThread());
}
}
}
protected MessageImpl retrieveFromContinuation(HttpServletRequest req) {
MessageImpl m = null;
if (!engine.getContinuationsEnabled()) {
return null;
}
Continuation cont = ContinuationSupport.getContinuation(req, null);
synchronized (cont) {
Object o = cont.getObject();
if (o instanceof ContinuationInfo) {
ContinuationInfo ci = (ContinuationInfo)o;
m = (MessageImpl)ci.getMessage();
// now that we got the message we don't need ContinuationInfo
// as we don't know how continuation was suspended, by jetty wrapper
// or directly in which (latter) case we need to ensure that an original user object
// if any, need to be restored
cont.setObject(ci.getUserObject());
}
if (m == null && !cont.isNew()) {
String message = "No message for existing continuation, status : "
+ (cont.isPending() ? "Pending" : "Resumed");
if (!(o instanceof ContinuationInfo)) {
message += ", ContinuationInfo object is unavailable";
}
LOG.warning(message);
}
}
return m;
}
@Override
public void shutdown() {
transportFactory.removeDestination(endpointInfo);
super.shutdown();
}
public ServerEngine getEngine() {
return engine;
}
private String getStem(String baseURI) {
return baseURI.substring(0, baseURI.lastIndexOf("/"));
}
}