001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    package org.apache.geronimo.tomcat;
018    
019    import org.apache.catalina.Engine;
020    import org.apache.catalina.Realm;
021    import org.apache.catalina.core.StandardEngine;
022    import org.apache.geronimo.tomcat.realm.TomcatJAASRealm;
023    
024    public class TomcatEngine extends StandardEngine implements Engine{
025    
026        /**
027         * 
028         */
029        private static final long serialVersionUID = 3834312825844611385L;
030    
031        public Realm getRealm() {
032            if (realm != null)
033                return realm;
034            
035            if (parent != null){
036                Realm configured = parent.getRealm();
037                if (configured != null)
038                    return configured;
039            }
040            
041            //No realms found up the chain, so lets create a default JAAS Realm
042            TomcatJAASRealm defaultRealm = new TomcatJAASRealm();
043            defaultRealm.setUserClassNames("org.apache.geronimo.security.realm.providers.GeronimoUserPrincipal");
044            defaultRealm.setRoleClassNames("org.apache.geronimo.security.realm.providers.GeronimoGroupPrincipal");
045            this.setRealm(defaultRealm);
046            return defaultRealm;
047        }
048    }