package com.ssh.dao;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
/**
* Configures and provides access to Hibernate sessions, tied to the
* current thread of execution. Follows the Thread Local Session
* pattern, see {@link http://hibernate.org/42.html }.
*/
public class HibernateSessionFactory {
/**
* Location of hibernate.cfg.xml file.
* Location should be on the classpath as Hibernate uses
* #resourceAsStream style lookup for its configuration file.
* The default classpath location of the hibernate config file is
* in the default package. Use #setConfigFile() to update
* the location of the configuration file for the current session.
*/
private static String CONFIG_FILE_LOCATION = "/hibernate.cfg.xml";
private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();
private static Configuration configuration = new Configuration();
private static org.hibernate.SessionFactory sessionFactory;
private static String configFile = CONFIG_FILE_LOCATION;
static {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err
.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
private HibernateSessionFactory() {
}
/**
* Returns the ThreadLocal Session instance. Lazy initialize
* the <code>SessionFactory</code> if needed.
*
* @return Session
* @throws HibernateException
*/
public static Session getSession() throws HibernateException {
Session session = (Session) threadLocal.get();
if (session == null || !session.isOpen()) {
if (sessionFactory == null) {
rebuildSessionFactory();
}
session = (sessionFactory != null) ? sessionFactory.openSession()
: null;
threadLocal.set(session);
}
return session;
}
/**
* Rebuild hibernate session factory
*
*/
public static void rebuildSessionFactory() {
try {
configuration.configure(configFile);
sessionFactory = configuration.buildSessionFactory();
} catch (Exception e) {
System.err
.println("%%%% Error Creating SessionFactory %%%%");
e.printStackTrace();
}
}
/**
* Close the single hibernate session instance.
*
* @throws HibernateException
*/
public static void closeSession() throws HibernateException {
Session session = (Session) threadLocal.get();
threadLocal.set(null);
if (session != null) {
session.close();
}
}
/**
* return session factory
*
*/
public static org.hibernate.SessionFactory getSessionFactory() {
return sessionFactory;
}
/**
* return session factory
*
* session factory will be rebuilded in the next call
*/
public static void setConfigFile(String configFile) {
HibernateSessionFactory.configFile = configFile;
sessionFactory = null;
}
/**
* return hibernate configuration
*
*/
public static Configuration getConfiguration() {
return configuration;
}
}
sshdemo.rar （49个子文件） 
sshdemo 
.project 1KB .mymetadata 294B WebRoot test.jsp 847B WEB-INF web.xml 1007B lib 
freemarker-2.3.15.jar 859KB c3p0-0.9.1.jar 594KB jta-1.1.jar 13KB hibernate3.jar 2.31MB commons-logging-1.0.4.jar 37KB struts2-core-2.1.8.1.jar 738KB commons-collections-3.1.jar 546KB commons-fileupload-1.2.1.jar 56KB slf4j-nop-1.5.8.jar 5KB javassist-3.9.0.GA.jar 583KB dom4j-1.6.1.jar 307KB xwork-core-2.1.6.jar 1.49MB slf4j-api-1.5.8.jar 23KB struts2-spring-plugin-2.2.3.jar 21KB ojdbc5.jar 1.8MB antlr-2.7.6.jar 433KB spring.jar 2.81MB commons-io-1.3.2.jar 86KB ognl-2.7.3.jar 234KB classes log4j.properties 2KB com ssh dao HibernateSessionFactory.class 2KB impl UserDaoImpl.class 2KB action UserAction.class 2KB model User.class 914B User.hbm.xml 550B service UserService.class 1KB jdbc.properties 142B applicationContext.xml 2KB struts.xml 2KB index.jsp 878B META-INF MANIFEST.MF 39B user_modify.jsp 1KB user_add.jsp 1KB user_show.jsp 2KB .myeclipse src log4j.properties 2KB com ssh dao impl UserDaoImpl.java 776B HibernateSessionFactory.java 3KB action UserAction.java 1KB model User.java 491B User.hbm.xml 550B service UserService.java 750B jdbc.properties 142B applicationContext.xml 2KB struts.xml 2KB .classpath 2KB
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