jedai.business.JedaiSecurityContextHolderStrategy.java Source code

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Here is the source code for jedai.business.JedaiSecurityContextHolderStrategy.java

Source

package jedai.business;

/*
 * Jedai Networking Framework - http://jedai.googlecode.com
 * 
 * Copyright (c) 2006-2009 by respective authors (see below). All rights reserved.
 * 
 * This library 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 library 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 library; if not, write to the Free Software Foundation, Inc., 
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
 */

import org.red5.server.api.*;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolderStrategy;
import org.springframework.security.core.context.SecurityContextImpl;
import org.springframework.util.*;

public class JedaiSecurityContextHolderStrategy implements SecurityContextHolderStrategy {
    private static final String CONTEXT_ATTRIBUTE = "acegi_context";
    private static ThreadLocal<SecurityContext> contextHolder = new ThreadLocal<SecurityContext>();

    public void clearContext() {
        IConnection connection = Red5.getConnectionLocal();
        if (connection != null) {
            synchronized (connection) {
                connection.removeAttribute(CONTEXT_ATTRIBUTE);
            }
        } else {
            contextHolder.set(null);
        }
    }

    public SecurityContext getContext() {
        IConnection connection = Red5.getConnectionLocal();
        if (connection != null) {
            synchronized (connection) {
                SecurityContext securityContext = (SecurityContext) connection.getAttribute(CONTEXT_ATTRIBUTE);
                if (securityContext == null) {
                    securityContext = new SecurityContextImpl();
                    connection.setAttribute(CONTEXT_ATTRIBUTE, securityContext);
                }
                return securityContext;
            }
        } else {
            if (contextHolder.get() == null) {
                contextHolder.set(new SecurityContextImpl());
            }
            return (SecurityContext) contextHolder.get();
        }
    }

    public void setContext(SecurityContext context) {
        IConnection connection = Red5.getConnectionLocal();
        if (connection != null) {
            synchronized (connection) {
                connection.setAttribute(CONTEXT_ATTRIBUTE, context);
            }
        } else {
            Assert.notNull(context, "Only non-null SecurityContext instances are permitted");
            contextHolder.set(context);
        }
    }

    @Override
    public SecurityContext createEmptyContext() {
        // TODO Auto-generated method stub
        return null;
    }

}