Spring 在运行后期更改SessionFactory数据源jdbcurl
我正在为没有网络连接的环境编写一个桌面java应用程序。我正在尝试将应用程序数据尽可能安全地存储在加密的进程内hsqldb中,并使用未加密的用户信息hsqldb。Hsqldb要求在创建连接时在jdbcurl中设置加密密钥。我的应用程序使用hibernate进行持久化,使用Spring进行配置和注入 我目前的方案是将用户名、密码哈希、salt和加密数据库的加密密钥存储在未加密的用户表中。加密密钥通过使用用户密码作为密钥的非对称加密进行保护。因此,应用程序在运行足够长的时间以加载gui并验证用户之前,不知道应用程序数据的加密密钥是什么 这是我当前的applicationContext.xml。Spring使用它来启动和运行HibernateSpring 在运行后期更改SessionFactory数据源jdbcurl,spring,hibernate,hsqldb,Spring,Hibernate,Hsqldb,我正在为没有网络连接的环境编写一个桌面java应用程序。我正在尝试将应用程序数据尽可能安全地存储在加密的进程内hsqldb中,并使用未加密的用户信息hsqldb。Hsqldb要求在创建连接时在jdbcurl中设置加密密钥。我的应用程序使用hibernate进行持久化,使用Spring进行配置和注入 我目前的方案是将用户名、密码哈希、salt和加密数据库的加密密钥存储在未加密的用户表中。加密密钥通过使用用户密码作为密钥的非对称加密进行保护。因此,应用程序在运行足够长的时间以加载gui并验证用户之前
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.1.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.1.xsd">
<context:component-scan base-package="com.company.domain" />
<context:component-scan base-package="com.company.service" />
<tx:annotation-driven />
<bean id="userDataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="org.hsqldb.jdbcDriver" />
<property name="url"
value="jdbc:hsqldb:./ReviewDatabase/users" />
<property name="username" value="reviewer" />
<property name="password" value="$kelatonKey" />
</bean>
<bean id="mainDataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="org.hsqldb.jdbcDriver" />
<property name="url"
value="jdbc:hsqldb:./ReviewDatabase/data" /> <!-- TODO: ;crypt_key=;crypt_type=AES -->
<property name="username" value="reviewer" />
<property name="password" value="$kelatonKey" />
</bean>
<bean id="userSessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="userDataSource" />
<property name="annotatedClasses">
<list>
<value>com.company.domain.AppUser</value>
</list>
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
</bean>
<bean id="mainSessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="mainDataSource" />
<property name="annotatedClasses">
<list>
<!-- <value>com.companu.domain.Person</value> -->
<!-- <value>com.company.domain.Thing</value> -->
<!-- <value>com.company.domain.Thing1</value> -->
<!-- <value>com.company.domain.Thing2</value> -->
<!-- <value>com.company.domain.Review</value> -->
</list>
</property>
<property name="hibernateProperties">
<props>
<pro key="hibernate.dialect">org.hibernate.dialect.HSQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
</props>
</property>
</bean>
<bean id="mainTransactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="mainSessionFactory" />
</bean>
<bean id="userTransactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="userSessionFactory" />
</bean>
</beans>
最后,这里是我在验证用户身份并获得加密密钥后尝试做的事情
String jdbcUrl = "jdbc:hsqldb:./ReviewDatabase/data2;crypt_key=" + secret + ";crypt_type=AES";
ServiceRegistry serviceRegistry = new ServiceRegistryBuilder()
.applySetting("hibernate.dialect", "org.hibernate.dialect.HSQLDialect")
.applySetting("hibernate.show_sql", "true")
.applySetting("hibernate.hbm2ddl.auto","update")
.applySetting("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver")
.applySetting("hibernate.connection.url", jdbcUrl)
.applySetting("hibernate.connection.username", "reviewer")
.applySetting("hibernate.connection.password", "$kelatonKey")
.buildServiceRegistry();
SessionFactory mainSessionFactory = new MetadataSources(serviceRegistry)
.addAnnotatedClass(com.company.domain.Review.class)
.addAnnotatedClass(com.company.domain.Person.class)
.addAnnotatedClass(com.company.domain.Thing.class)
.addAnnotatedClass(com.company.domain.Thing1.class)
.addAnnotatedClass(com.company.domain.Thing2.class)
.buildMetadata()
.buildSessionFactory();
org.springframework.orm.hibernate4.HibernateTransactionManager htm =
(HibernateTransactionManager)context.getBean("mainTransactionManager");
context.getAutowireCapableBeanFactory().initializeBean(mainSessionFactory, "mainSessionFactory");
htm.setSessionFactory(mainSessionFactory);
但是,这样一来,对上述对象的第一次查询将导致org.hibernate.HibernateException:找不到当前线程的会话
在hibernate初始化、注入依赖项和其他各种各样的愚蠢行为发生很久之后,如何更改jdbcurl?
我一直在推迟这一部分的开发,希望谷歌最终能成功,但我没有什么好搜索的想法。所有答案都将以羞怯的谦卑态度被接受:)我想知道这是否有帮助,您可以先虚拟bean属性,然后在运行时更改bean 我想知道这是否有帮助,您可以先虚拟bean属性,然后在运行时更改bean 因此,配方中缺少的部分是LocalSessionFactoryBean。它得到了sessionFactory设置,所以我可以替换初始化时创建的sessionFactory。 这是我不得不改变的问题代码
org.springframework.orm.hibernate4.HibernateTransactionManager htm =
(HibernateTransactionManager)context.getBean("mainTransactionManager");
Class<?>[] classes = new Class<?>[5];
classes[0] = com.company.domain.Thing1.class;
classes[1] = com.company.domain.Thing2.class;
classes[2] = com.company.domain.Person.class;
classes[3] = com.company.domain.Thing.class;
classes[4] = com.company.domain.Review.class;
String jdbcUrl = "jdbc:hsqldb:./ReviewDatabase/data3;crypt_key=" + secret + ";crypt_type=AES";
java.util.Properties hibernateProperties = new java.util.Properties();
hibernateProperties.setProperty("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
hibernateProperties.setProperty("hibernate.show_sql", "true");
hibernateProperties.setProperty("hibernate.hbm2ddl.auto","update");
hibernateProperties.setProperty("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver");
hibernateProperties.setProperty("hibernate.connection.url", jdbcUrl);
hibernateProperties.setProperty("hibernate.connection.username", "reviewer");
hibernateProperties.setProperty("hibernate.connection.password", "$kelatonKey");
LocalSessionFactoryBean slfb = new LocalSessionFactoryBean();
slfb.setHibernateProperties(hibernateProperties);
slfb.setAnnotatedClasses(classes);
try {
slfb.afterPropertiesSet();
} catch (IOException e) {
Log.warn("Cannot connection to application database");
Log.write(e.getLocalizedMessage());
Log.write(e.getStackTrace());
return;
}
SessionFactory mainSessionFactory = slfb.getObject();
context.getAutowireCapableBeanFactory().initializeBean(mainSessionFactory, "mainSessionFactory");
htm.setSessionFactory(mainSessionFactory);
for(ListenForNewSessionFactory dao : daos){
dao.setNewSessionFactory(mainSessionFactory);
}
org.springframework.orm.hibernate4.HibernateTransactionManager htm=
(HibernateTransactionManager)context.getBean(“mainTransactionManager”);
类别[]类别=新类别[5];
classes[0]=com.company.domain.Thing1.class;
classes[1]=com.company.domain.Thing2.class;
类别[2]=com.company.domain.Person.class;
classes[3]=com.company.domain.Thing.class;
类别[4]=com.company.domain.Review.class;
字符串jdbcUrl=“jdbc:hsqldb:./ReviewDatabase/data3;crypt_key=“+secret+”“crypt_type=AES”;
java.util.Properties hibernateProperties=new java.util.Properties();
setProperties(“hibernate.dialogue”、“org.hibernate.dialogue.hsqldialate”);
setProperties(“hibernate.show_sql”,“true”);
setProperty(“hibernate.hbm2ddl.auto”、“update”);
setProperties(“hibernate.connection.driver_class”,“org.hsqldb.jdbcDriver”);
setProperty(“hibernate.connection.url”,jdbcUrl);
hibernateProperties.setProperty(“hibernate.connection.username”、“reviewer”);
hibernateProperties.setProperty(“hibernate.connection.password”,“$kelatonKey”);
LocalSessionFactoryBean slfb=新的LocalSessionFactoryBean();
slfb.setHibernateProperties(hibernateProperties);
slfb.SetAnnotatedClass(类);
试一试{
slfb.afterPropertiesSet();
}捕获(IOE异常){
Log.warn(“无法连接到应用程序数据库”);
Log.write(例如getLocalizedMessage());
Log.write(例如getStackTrace());
返回;
}
SessionFactory mainSessionFactory=slfb.getObject();
getAutowireCapableBeanFactory().initializeBean(mainSessionFactory,“mainSessionFactory”);
htm.setSessionFactory(mainSessionFactory);
for(ListenForNewSessionFactory-dao:daos){
dao.setNewSessionFactory(mainSessionFactory);
}
我让每个Dao实现一个接口来设置sessionFactory,并让每个Dao在初始化时将自己添加到一个静态列表中。它不是非常可重用的,但很有效。因此,配方中缺少的一点是LocalSessionFactoryBean。它得到了sessionFactory设置,所以我可以替换初始化时创建的sessionFactory。 这是我不得不改变的问题代码
org.springframework.orm.hibernate4.HibernateTransactionManager htm =
(HibernateTransactionManager)context.getBean("mainTransactionManager");
Class<?>[] classes = new Class<?>[5];
classes[0] = com.company.domain.Thing1.class;
classes[1] = com.company.domain.Thing2.class;
classes[2] = com.company.domain.Person.class;
classes[3] = com.company.domain.Thing.class;
classes[4] = com.company.domain.Review.class;
String jdbcUrl = "jdbc:hsqldb:./ReviewDatabase/data3;crypt_key=" + secret + ";crypt_type=AES";
java.util.Properties hibernateProperties = new java.util.Properties();
hibernateProperties.setProperty("hibernate.dialect", "org.hibernate.dialect.HSQLDialect");
hibernateProperties.setProperty("hibernate.show_sql", "true");
hibernateProperties.setProperty("hibernate.hbm2ddl.auto","update");
hibernateProperties.setProperty("hibernate.connection.driver_class", "org.hsqldb.jdbcDriver");
hibernateProperties.setProperty("hibernate.connection.url", jdbcUrl);
hibernateProperties.setProperty("hibernate.connection.username", "reviewer");
hibernateProperties.setProperty("hibernate.connection.password", "$kelatonKey");
LocalSessionFactoryBean slfb = new LocalSessionFactoryBean();
slfb.setHibernateProperties(hibernateProperties);
slfb.setAnnotatedClasses(classes);
try {
slfb.afterPropertiesSet();
} catch (IOException e) {
Log.warn("Cannot connection to application database");
Log.write(e.getLocalizedMessage());
Log.write(e.getStackTrace());
return;
}
SessionFactory mainSessionFactory = slfb.getObject();
context.getAutowireCapableBeanFactory().initializeBean(mainSessionFactory, "mainSessionFactory");
htm.setSessionFactory(mainSessionFactory);
for(ListenForNewSessionFactory dao : daos){
dao.setNewSessionFactory(mainSessionFactory);
}
org.springframework.orm.hibernate4.HibernateTransactionManager htm=
(HibernateTransactionManager)context.getBean(“mainTransactionManager”);
类别[]类别=新类别[5];
classes[0]=com.company.domain.Thing1.class;
classes[1]=com.company.domain.Thing2.class;
类别[2]=com.company.domain.Person.class;
classes[3]=com.company.domain.Thing.class;
类别[4]=com.company.domain.Review.class;
字符串jdbcUrl=“jdbc:hsqldb:./ReviewDatabase/data3;crypt_key=“+secret+”“crypt_type=AES”;
java.util.Properties hibernateProperties=new java.util.Properties();
setProperties(“hibernate.dialogue”、“org.hibernate.dialogue.hsqldialate”);
setProperties(“hibernate.show_sql”,“true”);
setProperty(“hibernate.hbm2ddl.auto”、“update”);
setProperties(“hibernate.connection.driver_class”,“org.hsqldb.jdbcDriver”);
setProperty(“hibernate.connection.url”,jdbcUrl);
hibernateProperties.setProperty(“hibernate.connection.username”、“reviewer”);
hibernateProperties.setProperty(“hibernate.connection.password”,“$kelatonKey”);
LocalSessionFactoryBean slfb=新的LocalSessionFactoryBean();
slfb.setHibernateProperties(hibernateProperties);
slfb.SetAnnotatedClass(类);
试一试{
slfb.afterPropertiesSet();
}捕获(IOE异常){
Log.warn(“无法连接到应用程序数据库”);
Log.write(例如getLocalizedMessage());
Log.write(如getSta
@Component
public class SessionFactoryFactory {
@Autowired
private LocalSessionFactoryBean sessionFactoryBean;
@Autowired
private DriverManagerDataSource dataSource;
private SessionFactory sessionFactory;
private SessionFactory getSessionFactory() {
if (null == sessionFactory) {
sessionFactory = sessionFactoryBean.getObject();
}
return sessionFactory;
}
public Session openSession() {
return getSessionFactory().openSession();
}
public void updateDataSourceUrl() throws IOException {
sessionFactory = null;
sessionFactoryBean.afterPropertiesSet();
}
}