//========================================================================
//$Id: JBossWebXmlConfiguration.java 1241 2006-11-17 19:21:19Z janb $
//Copyright 2006 Mort Bay Consulting Pty. Ltd.
//------------------------------------------------------------------------
//Licensed 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.jboss.jetty;

import org.jboss.jetty.security.JBossUserRealm;
import org.jboss.logging.Logger;
import org.jboss.metadata.WebMetaData;
import org.mortbay.jetty.security.UserRealm;
import org.mortbay.jetty.webapp.WebXmlConfiguration;
import org.mortbay.xml.XmlParser;

/**
 * JBossWebXmlConfiguration
 *
 * Extends the jetty WebXmlConfiguration to provide jboss
 * handling of various elements in the web.xml
 */
public class JBossWebXmlConfiguration extends WebXmlConfiguration
{
    protected static Logger __log=Logger.getLogger(JBossWebAppContext.class); 

    public JBossWebXmlConfiguration()
    {
        super();
    }


    public JBossWebAppContext getJBossWebApplicationContext()
    {
        return (JBossWebAppContext)getWebAppContext();
    }

   
    protected void initWebXmlElement(String element,org.mortbay.xml.XmlParser.Node node) throws Exception
    {
        //avoid jetty printing a debug message about not implementing these elements
        //because jboss implements it for us
        if("resource-ref".equals(element)||"resource-env-ref".equals(element)||"env-entry".equals(element)
                ||"ejb-ref".equals(element)||"ejb-local-ref".equals(element)||"security-domain".equals(element))
        {
            //ignore
        }
        // these are handled by Jetty
        else
            super.initWebXmlElement(element,node);
    }

    protected void initSessionConfig(XmlParser.Node node)
    {
        XmlParser.Node tNode=node.get("session-timeout");
        if(tNode!=null)
        {
            getJBossWebApplicationContext()._timeOutPresent=true;
            getJBossWebApplicationContext()._timeOutMinutes=Integer.parseInt(tNode.toString(false,true));
        }
        // pass up to our super class so they can do all this again !
        super.initSessionConfig(node);
    }

    protected void initLoginConfig(XmlParser.Node node)
    {
        // check if a realm has been explicitly set
        String realmName=null;
        UserRealm userRealm = getJBossWebApplicationContext().getSecurityHandler().getUserRealm();
        if (userRealm!= null)
            realmName=userRealm.getName();
        
        //use a security domain from jboss-web.xml
        if (null==realmName)
        {
            WebMetaData metaData = getJBossWebApplicationContext()._webApp.getMetaData();
            realmName = metaData.getSecurityDomain();
            if (null!=realmName)
            {
                if (realmName.endsWith("/"))
                    realmName = realmName.substring (0, realmName.length());
                int idx = realmName.lastIndexOf('/');
                if (idx >= 0)
                    realmName = realmName.substring(idx+1);
            }
        }
        
        if(__log.isDebugEnabled())
            __log.debug("Realm is : "+realmName);
        
        if (realmName != null)
        {
            JBossUserRealm realm = new JBossUserRealm(realmName,getJBossWebApplicationContext().getSubjectAttribute());
            getJBossWebApplicationContext().setRealm(realm); 
            getJBossWebApplicationContext().getSecurityHandler().setUserRealm(realm);
        }
        super.initLoginConfig(node);
    }

}