/*
* JBoss, Home of Professional Open Source.
* Copyright 2017, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.extension.undertow.handlers;
import java.util.Collections;
import io.undertow.server.HttpHandler;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.extension.requestcontroller.ControlPoint;
import org.wildfly.extension.requestcontroller.RequestController;
import org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler;
import org.wildfly.extension.undertow.logging.UndertowLogger;
/**
* @author Tomaz Cerar (c) 2013 Red Hat Inc.
*/
public class HandlerService implements Service<HttpHandler> {
private final HttpHandler httpHandler;
private final InjectedValue<RequestController> requestControllerInjectedValue = new InjectedValue<>();
private volatile ControlPoint controlPoint;
private volatile HttpHandler realHandler;
private final String name;
public HandlerService(HttpHandler httpHandler, final String name) {
this.httpHandler = httpHandler;
this.name = name;
}
@Override
public void start(StartContext context) throws StartException {
UndertowLogger.ROOT_LOGGER.tracef("starting handler: %s", httpHandler);
if(requestControllerInjectedValue.getOptionalValue() != null) {
controlPoint = requestControllerInjectedValue.getValue().getControlPoint("org.wildfly.extension.undertow.handlers", name);
realHandler = new GlobalRequestControllerHandler(httpHandler, controlPoint, Collections.emptyList());
} else {
realHandler = httpHandler;
}
}
@Override
public void stop(StopContext context) {
if(controlPoint != null) {
requestControllerInjectedValue.getValue().removeControlPoint(controlPoint);
controlPoint = null;
}
}
@Override
public HttpHandler getValue() throws IllegalStateException, IllegalArgumentException {
return realHandler;
}
public InjectedValue<RequestController> getRequestControllerInjectedValue() {
return requestControllerInjectedValue;
}
}