数据 保存在 session
数据 保存在 session ThreadContextHolder.getSessionContext().setAttribute()package com.enation.framework.context.webcontext.impl;import java.io.Externalizable;import java.io.IOException;import java.io.ObjectInput;import java.io.ObjectOutput;import java.util.Hashtable;import java.util.Set;import javax.servlet.http.HttpSession;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import com.enation.framework.context.webcontext.WebSessionContext;/** * @author kingapex */public class WebSessionContextImpl implements WebSessionContext, Externalizable {private HttpSession session;private final Log logger=LogFactory.getLog(getClass());// private SaveSessionAttributeCallBack callBackHandle;private Hashtable attributes;// private FrameworkSessionContextImpl sessionAttributeHolder;/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#getSession() */public HttpSession getSession() {return session;}/* * (non-Javadoc) * * */public void setSession(HttpSession session) {if(logger.isDebugEnabled()){logger.debug("set session "+ session); }this.session = session;this.attributes = (Hashtable) this.session.getAttribute(sessionAttributeKey);if (attributes == null) {attributes = new Hashtable();this.onSaveSessionAttribute();}}/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#invalidateSession() */public void invalidateSession() {// this.session.removeAttribute(sessionAttributeKey);this.session.invalidate();// this.session = null;// this.sessionAttributeHolder = null;}// public FrameworkSessionContextImpl getSessionAttributeHolder() {// return sessionAttributeHolder;// }// public void setSessionAttributeHolder(FrameworkSessionContextImpl// sessionAttributeHolder) {// // this.sessionAttributeHolder = sessionAttributeHolder;// // this.sessionAttributeHolder.setCallBackHandle(this);// this.session.setAttribute(sessionAttributeKey,// sessionAttributeHolder);// }private void onSaveSessionAttribute() {this.session.setAttribute(sessionAttributeKey, attributes);}/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#setAttribute(java.lang.String, * java.lang.Object) */public void setAttribute(String name, Object value) {if(attributes!=null){//if(logger.isDebugEnabled()){//logger.debug("set attribute :");//logger.debug("attributes=>"+attributes);//logger.debug("name=>"+name);//logger.debug("value=>"+value);//}attributes.put(name, value);onSaveSessionAttribute();}}/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#getAttribute(java.lang.String) */public Object getAttribute(String name) {if(attributes!=null)return attributes.get(name);else return null;}/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#getAttributeNames() */public Set getAttributeNames() {return attributes.keySet();}/* * (non-Javadoc) * * @see com.lenovo.labs.framework.util.sessioncontext.impl.FrameworkSessionContext#removeAttribute(java.lang.String) */public void removeAttribute(String name) {attributes.remove(name);onSaveSessionAttribute();}// public SaveSessionAttributeCallBack getCallBackHandle() {// return callBackHandle;// }//// public void setCallBackHandle(SaveSessionAttributeCallBack// callBackHandle) {// this.callBackHandle = callBackHandle;// }public void readExternal(ObjectInput input) throws IOException,ClassNotFoundException {attributes = (Hashtable) input.readObject();}public void writeExternal(ObjectOutput output) throws IOException {output.writeObject(attributes);}public void destory() {this.attributes = null;this.session = null;}}