userprincipalsetup.java

一个非常好的FRAMWRK!是一个外国组织做的!不!

/*
 * Copyright 2003-2005 the original author or authors.
 * 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 com.jdon.security.web;

import java.security.Principal;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;

import com.jdon.container.access.TargetMetaRequest;
import com.jdon.container.finder.ComponentKeys;
import com.jdon.container.visitor.data.SessionContext;
import com.jdon.container.visitor.data.SessionContextSetup;

/**
 * set principal name into httpsession.
 * 
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */

public class UserPrincipalSetup implements SessionContextSetup{
    public final static String PRINCIPAL_NAME = "PRINCIPAL_NAME";

    private final static Logger logger = Logger.getLogger(UserPrincipalSetup.class);
    
    public  void saveSessionContext(SessionContext sessionContext, HttpServletRequest request){
        Principal principal = request.getUserPrincipal();
        if (principal == null)  return;
        
        String username = principal.getName();
        
        sessionContext.setArrtibute(PRINCIPAL_NAME, username); 
                
        logger.debug(" set principal name:" + username );
    }
    
    public String getPrincipalName(SessionContext sessionContext){
        if (sessionContext == null) {
            logger.debug(" sessionContext not be setup, and is null" );
            return null;
        }
        return (String)sessionContext.getArrtibute(PRINCIPAL_NAME);
        
    }
        
    
}