httprequestusersetup.java

来自「用jbuilder写的源程序」· Java 代码 · 共 76 行

/*
 * Copyright 2003-2006 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.visitor.data.SessionContext;
import com.jdon.container.visitor.data.SessionContextSetup;

/**
 * load the informations about the login user, and 
 * save into sessioncontext that can be accessed in container.
 * 
 * this class is confiured in container.xml, so it 
 * can be replcaed. if you want get more informations 
 * from the HttpServletRequest, you can extends this class.
 * so , you can get these informations in the services
 *
 * 
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */

public class HttpRequestUserSetup implements SessionContextSetup {

    private final static Logger logger = Logger.getLogger(HttpRequestUserSetup.class);

    public void setup(SessionContext sessionContext, HttpServletRequest request) {
        String remoteAddress = request.getRemoteAddr();
        saveSessionContext(REMOTE_ADDRESS, remoteAddress, sessionContext);

        Principal principal = request.getUserPrincipal();
        if (principal == null)
            return;
        String username = principal.getName();
        saveSessionContext(PRINCIPAL_NAME, username, sessionContext);

        logger.debug("[JdonFramework] set principal name:" + username);
    }

    public String getPrincipalName(SessionContext sessionContext) {
        return (String) getArrtibute(PRINCIPAL_NAME, sessionContext);
    }

    public void saveSessionContext(String arrtibuteName, String arrtibuteValue, SessionContext sessionContext) {
        sessionContext.setArrtibute(arrtibuteName, arrtibuteValue);
        logger.debug("[JdonFramework] setArrtibute:" + arrtibuteName + "=" + arrtibuteValue);
    }

    public Object getArrtibute(String arrtibuteName, SessionContext sessionContext) {
        if (sessionContext == null) {
            logger.debug("[JdonFramework] sessionContext not be setup, and is null");
            return null;
        }
        return sessionContext.getArrtibute(arrtibuteName);
    }

}