/**
* 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.continuations;
import java.lang.reflect.Method;
import javax.servlet.ServletRequest;
import javax.servlet.ServletRequestWrapper;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.cxf.common.util.ReflectionUtil;
import org.apache.cxf.continuations.ContinuationProvider;
import org.apache.cxf.message.Message;
import org.apache.cxf.transport.http.AbstractHTTPDestination;
import org.apache.cxf.transport.http.ContinuationProviderFactory;
/**
*
*/
public class JettyContinuationProviderFactory implements ContinuationProviderFactory {
final boolean disableJettyContinuations
= Boolean.getBoolean("org.apache.cxf.transport.http_jetty.continuations.disable");
public JettyContinuationProviderFactory() {
}
public ContinuationProvider createContinuationProvider(Message inMessage,
HttpServletRequest req,
HttpServletResponse resp) {
if (!disableJettyContinuations) {
ServletRequest r2 = req;
while (r2 instanceof ServletRequestWrapper) {
r2 = ((ServletRequestWrapper)r2).getRequest();
}
if (!r2.getClass().getName().contains("jetty")) {
return null;
}
try {
Method m = r2.getClass().getMethod("isAsyncSupported");
Object o = ReflectionUtil.setAccessible(m).invoke(r2);
if (((Boolean)o).booleanValue()) {
return new JettyContinuationProvider(req, resp, inMessage);
}
} catch (Throwable t) {
//ignore - either not a proper Jetty request object or classloader issue
//or similar.
}
}
return null;
}
public Message retrieveFromContinuation(HttpServletRequest req) {
return (Message)req.getAttribute(AbstractHTTPDestination.CXF_CONTINUATION_MESSAGE);
}
}