001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    package org.apache.shiro.mgt;
020    
021    import org.apache.shiro.session.Session;
022    import org.apache.shiro.subject.PrincipalCollection;
023    import org.apache.shiro.subject.Subject;
024    import org.apache.shiro.subject.SubjectContext;
025    import org.apache.shiro.subject.support.DelegatingSubject;
026    
027    
028    /**
029     * Default {@link SubjectFactory SubjectFactory} implementation that creates {@link org.apache.shiro.subject.support.DelegatingSubject DelegatingSubject}
030     * instances.
031     *
032     * @author Les Hazlewood
033     * @since 1.0
034     */
035    public class DefaultSubjectFactory implements SubjectFactory {
036    
037        public DefaultSubjectFactory() {
038        }
039    
040        public Subject createSubject(SubjectContext context) {
041            SecurityManager securityManager = context.resolveSecurityManager();
042            Session session = context.resolveSession();
043            PrincipalCollection principals = context.resolvePrincipals();
044            boolean authenticated = context.resolveAuthenticated();
045            String host = context.resolveHost();
046            return newSubjectInstance(principals, authenticated, host, session, securityManager);
047        }
048    
049        protected Subject newSubjectInstance(PrincipalCollection principals, boolean authenticated, String host,
050                                             Session session, SecurityManager securityManager) {
051            return new DelegatingSubject(principals, authenticated, host, session, securityManager);
052        }
053    }