/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.jboss.as.domain.http.server;
import io.undertow.server.ExchangeCompletionListener;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
/**
* {@code HttpHandler} implementation checking whether the request can be accepted or not.
*
* @author Emanuel Muckenhuber
*/
class ManagementHttpRequestHandler implements HttpHandler {
private final HttpHandler next;
private final ManagementHttpRequestProcessor service;
private final ExchangeCompletionListener listener = new ExchangeCompletionListener() {
@Override
public void exchangeEvent(HttpServerExchange exchange, NextListener nextListener) {
service.endRequest();
nextListener.proceed();
}
};
public ManagementHttpRequestHandler(ManagementHttpRequestProcessor service, HttpHandler next) {
this.service = service;
this.next = next;
}
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
final boolean proceed = service.beginRequest();
try {
if (proceed) {
next.handleRequest(exchange);
} else {
exchange.setStatusCode(503);
exchange.endExchange();
}
} finally {
if (proceed && (exchange.isComplete() || !exchange.isDispatched())) {
service.endRequest();
} else if (proceed) {
exchange.addExchangeCompleteListener(listener);
}
}
}
}