sessioncontext.java

来自「一个非常好的FRAMWRK!是一个外国组织做的!不!」· Java 代码 · 共 55 行

/*
 * 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.container.visitor.data;

import java.util.HashMap;
import java.util.Map;


/**
 * this class inlude those datas that read from the web container or others.
 * these datas is stateful, and it's scope is one instance per client.
 * usually they are saved in httpSession of the web container.
 * 
 * but these datas are different from the components that saved in httpsession.
 * it is like the stateful components. it include state data.
 * 
 *  the way of visiting the SessionContext that saved in httpSession  
 * 
 *     targetMetaRequest.setVisitableName(ComponentKeys.SESSIONCONTEXT_FACTORY);        
 *     SessionContext sessionContext = (SessionContext)cm.visit(targetMetaRequest);
 * 

 * 
 * @author <a href="mailto:[e-mail]">banq</a>
 *
 */

public class SessionContext {
    public final static String NAME = SessionContext.class.getName();
    
    private Map arrtibutes = new HashMap();
    
    public void setArrtibute(String key, Object object){
        arrtibutes.put(key, object);
    }
    
    public Object getArrtibute(String key){
        return arrtibutes.get(key);
    }
    
}