/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat Middleware LLC, 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.capedwarf.server.api.mvc;
import org.jboss.capedwarf.server.api.servlet.AbstractRequestHandler;
import org.jboss.capedwarf.server.api.servlet.RequestHandler;
import javax.enterprise.inject.Instance;
import javax.inject.Inject;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
/**
* Multi request handler.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
public class MultiRequestHandler extends AbstractRequestHandler {
private ServletContext context;
private Iterable<HandlerMapping> mappings;
protected void doInitialize(ServletContext context) {
this.context = context;
for (HandlerMapping hm : mappings)
hm.initialize(context);
}
public void handle(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
RequestHandler handler = findHandler(req);
handler.initialize(context);
handler.handle(req, resp);
}
/**
* Find matching request handler.
*
* @param req the request
* @return matching request handler
* @throws ServletException if handler is not found
*/
protected RequestHandler findHandler(HttpServletRequest req) throws ServletException {
for (HandlerMapping hm : mappings) {
RequestHandler handler = hm.findHandler(req);
if (handler != null)
return handler;
}
throw new ServletException("No such mapping: " + req.getRequestURL() + " - " + mappings);
}
@Inject
public void setMappings(Instance<HandlerMapping> mappings) {
Set<HandlerMapping> hms = new HashSet<HandlerMapping>();
for (HandlerMapping hm : mappings)
hms.add(hm);
this.mappings = hms;
}
}