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i used oracle10g ,spring 2.5.4,hibernate 3.2.6.ga to set up my web application. I need to store image into my database. My config as following:

<bean id="sessionFactory"...

when a user is logined, i want to prevent other user login my system using same user id and same password. how to process single user login in this condiction.thanks

thank for your reply! if i select spring as my object manager,so i can not use factory design pattern. Object that i want to create is a bean defined in spring. I do not want my code depend on...

i know implments FactoryBean interface can get object,but its getObject methods doesn't have an parameter. I don't know how to pass parameter to getObject methods. Anybody can give me example,thanks!

this problem is how to create object dynamic under spring. if i use getBeanName method , it just means to create new object.but i always need factory class to decide which object is return. how to...

public class Factory&#123;

　　public static Sample creator&#40;int which&#41;&#123;

　　if &#40;which==1&#41;
　　　　return new SampleA&#40;&#41;;
　　else if &#40;which==2&#41;
　　　　return new SampleB&#40;&#41;;

　　&#125;

i found the javadoc of MethodInvokingFactoryBean
"This use case is not supported by factory-methods, since a return value is needed to become the bean."
in my example, ABaseObject and BBaseObject...

public class BaseObjectFactory&#123;
public static BaseObject createInstance&#40;String type&#41;&#123;
if &#40;type.equals&#40;"a"&#41;&#41;
return new ABaseObjce&#40;&#41;;
if &#40;type.equals&#40;"b"&#41;&#41;
return new...

i know that when you use getBeanName methods means to create a new object . but i wonder how to use static method in a bean.

i select WebWork as my web framework, i want to know if i can get user detail info from session. I woder where can i process in this situation.thanks